FIX / Comfort Systems USA, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Comfort Systems USA, Inc.
US ˙ NYSE ˙ US1999081045

Mga Batayang Estadistika
LEI 5299009DT1ZA5HTU6R38
CIK 1035983
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Comfort Systems USA, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
September 2, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 27, 2025 Comfort Systems US

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 27, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of i

September 2, 2025 EX-10.1

FOURTH AMENDED AND RESTATED CREDIT AGREEMENT dated as of August 27, 2025, by and among COMFORT SYSTEMS USA, INC., as Borrower, CERTAIN FINANCIAL INSTITUTIONS, as Lenders, WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent, WELLS FARGO BA

Exhibit 10.1 FOURTH AMENDED AND RESTATED CREDIT AGREEMENT dated as of August 27, 2025, by and among COMFORT SYSTEMS USA, INC., as Borrower, CERTAIN FINANCIAL INSTITUTIONS, as Lenders, WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent, WELLS FARGO BANK, NATIONAL ASSOCIATION, BOKF, NA dba BANK OF TEXAS, PNC CAPITAL MARKETS LLC, TRUIST SECURITIES, INC. and U.S. BANK NATIONAL ASSOCIATION

July 29, 2025 EX-99.1

QUALITY PEOPLE. BUILDING SOLUTIONS. NYSE: FIX July 29, 2025

Exhibit 99.1 QUALITY PEOPLE. BUILDING SOLUTIONS. NYSE: FIX July 29, 2025 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or other similar expres sio ns are intended to

July 29, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 29, 2025 Comfort Systems USA,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 29, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

July 24, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 24, 2025 Comfort Systems USA,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 24, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

July 24, 2025 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — July 24, 2025 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condition

July 24, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-

July 24, 2025 EX-99.1

COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2025 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2025 RESULTS Houston, TX — July 24, 2025 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended June 30, 2025. For the quarter

May 22, 2025 EX-99.1

COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM Houston, TX — May 22, 2025 — Comfort Systems USA, Inc. (NYSE: FIX) (“Comfort Systems USA”), a leading provider of commercial, industrial and institutional heatin

May 22, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 16, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

April 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 30, 2025 Comfort Systems USA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 30, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

April 30, 2025 EX-99.1

Certain statements and information in this presentation may constitute forward-looking statements within the meaning of applicable securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “w

Exhibit 99.1 Certain statements and information in this presentation may constitute forward-looking statements within the meaning of applicable securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or other similar expressions are intended to identify forward-looking statements, which are generally not historic in nat

April 24, 2025 EX-99.1

COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2025 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2025 RESULTS Houston, TX — April 24, 2025 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended March 31, 2025. For the quarter

April 24, 2025 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — April 24, 2025 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditio

April 24, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1

April 24, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 24, 2025 Comfort Systems USA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 24, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

April 7, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a party other than the Registrant CHECK THE APPROPRIATE BOX: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

March 20, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 19, 2025 Comfort Systems USA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 19, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

February 21, 2025 EX-99.1

Quality People. Building Solutions. NYSE: FIX February 21, 2025

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX February 21, 2025 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or oth er similar expressions are intended

February 21, 2025 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 21, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 20, 2025 EX-21.1

List of subsidiaries of Comfort Systems USA, Inc.

EXHIBIT 21.1 SUBSIDIARIES OF COMFORT SYSTEMS USA, INC. as of December 31, 2024 ENTITY NAME DOMESTIC JURISDICTION FORMATION DATE ACI Mechanical, Inc. Delaware 06/26/1998 Air Systems Engineering, Inc. Washington 05/18/1973 AirTemp, Inc. Maine 10/15/1998 Altrax Tool and Equipment Co LLC Tennessee 12/03/2018 Amteck Holdco LLC Delaware 11/07/2018 Amteck Sprinkler LLC Delaware 01/25/2018 Amteck, LLC Ken

February 20, 2025 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 20, 2025 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 20, 2025 EX-99.1

COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2024 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2024 RESULTS Houston, TX — February 20, 2025 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter and annual period e

February 20, 2025 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — February 20, 2025 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condi

February 20, 2025 EX-19

Insider Trading Window Policy

Exhibit 19 COMFORT SYSTEMS USA, INC. INSIDER TRADING WINDOW POLICY (FOR DIRECTORS, OFFICERS, AND KEY EMPLOYEES) Guidelines and Prohibitions Regarding Transactions in Company Stock Under federal securities laws, until material information has been given to and digested by the public, insiders must refrain from buying or selling and from advising others to buy or sell. It is the policy of the Compan

February 20, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-1301

November 13, 2024 SC 13G

FIX / Comfort Systems USA, Inc. / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Comfort Systems USA, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 199908104 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

November 1, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 1, 2024 Comfort Systems U

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 1, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

November 1, 2024 EX-99.1

Quality People. Building Solutions. NYSE: FIX November 1, 2024

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX November 1, 2024 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or oth er similar expressions are intended

October 24, 2024 EX-99.1

COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2024 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2024 RESULTS Houston, TX — October 24, 2024 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended September 30, 2024. For the q

October 24, 2024 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — October 24, 2024 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condit

October 24, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 24, 2024 Comfort Systems U

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 24, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

October 24, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

August 13, 2024 EX-99.1

COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM Houston, TX — August 13, 2024 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”), a leading provider of commercial, industrial and institutional heating, ve

August 13, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 7, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

August 2, 2024 EX-99.1

Quality People. Building Solutions. NYSE: FIX August 2, 2024

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX August 2, 2024 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “c ould,” or other similar expressions

August 2, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 2, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

July 25, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-

July 25, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 25, 2024 Comfort Systems USA,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 25, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

July 25, 2024 EX-99.1

COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2024 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2024 RESULTS Houston, TX — July 25, 2024 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended June 30, 2024. For the quarter

July 25, 2024 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND Houston, TX — July 25, 2024 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioni

July 19, 2024 EX-99.1

COMFORT SYSTEMS ANNOUNCES NEW BOARD MEMBER

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS ANNOUNCES NEW BOARD MEMBER Houston, TX – July 19, 2024 – Comfort Systems USA, Inc. (NYSE:FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and

July 19, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 16, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

May 22, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 17, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

May 1, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 1, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of incor

May 1, 2024 EX-99.1

Quality People. Building Solutions. NYSE: FIX May 1, 2024

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX May 1, 2024 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or oth er similar expressions are intended to id

April 25, 2024 EX-99.1

COMFORT SYSTEMS USA REPORTS FIRST QUARTER RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FIRST QUARTER RESULTS Houston, TX — April 25, 2024 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended March 31, 2024. For the quarter ende

April 25, 2024 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — April 25, 2024 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditio

April 25, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1

April 25, 2024 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 25, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

April 8, 2024 DEF 14A

Message from our Chair and CEO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

February 23, 2024 EX-99.1

Quality People. Building Solutions. NYSE: FIX February 23, 2024

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX February 23, 2024 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or oth er similar expressions are intended

February 23, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 23, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 22, 2024 EX-10.34

Form of Restricted Stock Unit Agreement without “Rule of 75” Vesting under the Company’s 2017 Omnibus Incentive Plan

Exhibit 10.34 Name: [●] Number of Restricted Stock Units: [●] Date of Grant: [●] COMFORT SYSTEMS USA, INC. 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT This Restricted Stock Unit Agreement (the “Agreement”), is made, effective as of the [●] day of [●], [●] (the “Grant Date”) between Comfort Systems USA, Inc., a Delaware corporation (the “Company”), and [●] (the “Participant”). 1.Res

February 22, 2024 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 22, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 22, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-1301

February 22, 2024 EX-97

Comfort Systems USA, Inc. Policy for Recoupment of Incentive Compensation

Exhibit 97 COMFORT SYSTEMS USA, INC. POLICY FOR RECOUPMENT OF INCENTIVE COMPENSATION 1. Introduction In accordance with Section 10D of the Securities Exchange Act of 1934, as amended, and the regulations thereunder, the Board of Directors (the “Board”) of Comfort Systems USA, Inc. (the “Company”) has adopted a policy (the “Policy”) providing for the Company’s recoupment of certain incentive-based

February 22, 2024 EX-99.1

COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2023 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2023 RESULTS Houston, TX — February 22, 2024 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter and annual period e

February 22, 2024 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND Houston, TX — February 22, 2024 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condit

February 22, 2024 EX-21.1

List of subsidiaries of Comfort Systems USA, Inc.

EXHIBIT 21.1 SUBSIDIARIES OF COMFORT SYSTEMS USA, INC. as of December 31, 2023 ENTITY NAME DOMESTIC JURISDICTION FORMATION DATE ACI Mechanical, Inc. Delaware 06/26/1998 Air Systems Engineering, Inc. Washington 05/18/1973 AirTemp, Inc. Maine 10/15/1998 Altrax Tool and Equipment Co LLC Tennessee 12/03/2018 Amteck Holdco LLC Delaware 11/07/2018 Amteck Sprinkler LLC Delaware 01/25/2018 Amteck, LLC Ken

February 13, 2024 SC 13G/A

FIX / Comfort Systems USA, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0651-comfortsystemsusainc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 17)* Name of issuer: Comfort Systems USA Inc Title of Class of Securities: Common Stock CUSIP Number: 199908104 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to

February 9, 2024 SC 13G/A

FIX / Comfort Systems USA, Inc. / Capital World Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Comfort Systems USA, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 199908104 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

January 2, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 2, 2024 Comfort Systems US

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 2, 2024 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of i

January 2, 2024 EX-99.1

COMFORT SYSTEMS USA ANNOUNCES ACQUISITION - Agrees to Acquire Summit Industrial in Houston, TX, and Expand Modular Offering -

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA ANNOUNCES ACQUISITION - Agrees to Acquire Summit Industrial in Houston, TX, and Expand Modular Offering - Houston, TX — January 2, 2024 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) toda

November 1, 2023 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 1, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

November 1, 2023 EX-99.1

Quality People. Building Solutions. NYSE: FIX November 1, 2023

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX November 1, 2023 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or oth er similar expressions are intended

October 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

October 26, 2023 EX-99.1

COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2023 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2023 RESULTS Houston, TX — October 26, 2023 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended September 30, 2023. For the q

October 26, 2023 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 26, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

October 26, 2023 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — October 26, 2023 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condit

September 28, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 28, 2023 Comfort Systems

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 28, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer o

September 28, 2023 EX-99.1

COMFORT SYSTEMS ANNOUNCES NEW BOARD MEMBER

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS ANNOUNCES NEW BOARD MEMBER Houston, TX – September 28, 2023 – Comfort Systems USA, Inc. (NYSE:FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditionin

August 1, 2023 EX-99.1

Quality People. Building Solutions. NYSE: FIX August 1, 2023

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX August 1, 2023 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “c ould,” or other similar expressions

August 1, 2023 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

July 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-

July 26, 2023 EX-99.1

COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2023 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2023 RESULTS Houston, TX — July 26, 2023 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended June 30, 2023. For the quarter

July 26, 2023 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — July 26, 2023 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condition

July 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 26, 2023 Comfort Systems USA,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 26, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

May 19, 2023 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 16, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

May 2, 2023 EX-99.1

Quality People. Building Solutions. NYSE: FIX May 2, 2023

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX May 2, 2023 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or oth er similar expressions are intended to id

May 2, 2023 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 2, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of incor

April 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 26, 2023 Comfort Systems USA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 26, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

April 26, 2023 EX-10.1

Form of Restricted Stock Unit Agreement with Revisions under the Company’s 2017 Omnibus Incentive Plan

Exhibit 10.1 Name: [●] Number of Restricted Stock Units: [●] Date of Grant: [●] COMFORT SYSTEMS USA, INC. 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT This Restricted Stock Unit Agreement (the “Agreement”), is made, effective as of the [●] day of [●], [●] (the “Grant Date”) between Comfort Systems USA, Inc., a Delaware corporation (the “Company”), and [●] (the “Participant”). 1.Rest

April 26, 2023 EX-99.1

COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2023 RESULTS

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2023 RESULTS Houston, TX — April 26, 2023 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended March 31, 2023. For the quarter

April 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1

April 26, 2023 EX-10.2

Form of Dollar-denominated Performance Restricted Stock Unit Agreement with Revisions under the Company’s 2017 Omnibus Incentive Plan

Exhibit 10.2 Name: [●] Dollar Value of Dollar-denominated Restricted Stock Units: [●] Date of Grant: [●] COMFORT SYSTEMS USA, INC. 2017 OMNIBUS INCENTIVE PLAN DOLLAR-DENOMINATED PERFORMANCE RESTRICTED STOCK UNIT AGREEMENT This Dollar-denominated Performance Restricted Stock Unit Agreement (the “Agreement”), is made, effective as of the [●] day of [●], [●] (the “Grant Date”) between Comfort Systems

April 26, 2023 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — April 26, 2023 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditio

April 6, 2023 DEF 14A

NOTICE of Annual Meeting of Stockholders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) Definitive Prox

March 23, 2023 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 21, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

February 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 24, 2023 Comfort Systems

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 24, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 24, 2023 EX-99.1

Quality People. Building Solutions. NYSE: FIX February 24, 2023

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX February 24, 2023 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or oth er similar expressions are intended

February 22, 2023 EX-21.1

List of subsidiaries of Comfort Systems USA, Inc.

EXHIBIT 21.1 SUBSIDIARIES OF COMFORT SYSTEMS USA, INC. as of December 31, 2022 ENTITY NAME DOMESTIC JURISDICTION FORMATION DATE ACI Mechanical, Inc. Delaware 06/26/1998 Air Systems Engineering, Inc. Washington 05/18/1973 AirTemp, Inc. Maine 10/15/1998 Altrax Tool and Equipment Co LLC Tennessee 12/03/2018 Amteck Communication Management LLC Delaware 06/05/2018 Amteck Holdco LLC Delaware 11/07/2018

February 22, 2023 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 22, 2023 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 22, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-1301

February 22, 2023 EX-99.1

COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2022 RESULTS; ANNOUNCES ACQUISITION

Exhibit 99.1 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2022 RESULTS; ANNOUNCES ACQUISITION Houston, TX — February 22, 2023 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quar

February 22, 2023 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — February 22, 2023 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condi

February 13, 2023 SC 13G

FIX / Comfort Systems USA, Inc. / Capital World Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Comfort Systems USA, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 199908104 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which thi

February 9, 2023 SC 13G/A

FIX / Comfort Systems USA, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0627-comfortsystemsusainc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 16)* Name of issuer: Comfort Systems USA Inc. Title of Class of Securities: Common Stock CUSIP Number: 199908104 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box t

November 2, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

November 2, 2022 EX-99.1

Quality People. Building Solutions. NYSE: FIX November 2, 2022

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX November 2, 2022 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws securities laws and regulations. The words ?believe,? ?expect,? ?anticipate,? ?plan,? ?intend,? ?foresee,? ?should,? ?would,? ?c ould,? or other similar expressio

October 26, 2022 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND ? Houston, TX ? October 26, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventila

October 26, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

October 26, 2022 8-K

Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) October 26, 2022 ? Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 1-13011 76-0526487 (State or other jurisdiction ? (Co

October 26, 2022 EX-99.1

COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2022 RESULTS

Exhibit 99.1 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2022 RESULTS ? Houston, TX ? October 26, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX) (the ?Company?) today reported results for the quarter ended September 30,

August 15, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 15, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of i

August 15, 2022 EX-99.1

Quality People. Building Solutions. NYSE: FIX August 15, 2022

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX August 15, 2022 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words ?believe,? ?expect,? ?anticipate,? ?plan,? ?intend,? ?foresee,? ?should,? ?would,? ?could,? or oth er similar expressions are intended t

August 4, 2022 EX-99.1

Quality People. Building Solutions. NYSE: FIX August 4, 2022

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX August 4, 2022 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws securities laws and regulations. The words ?believe,? ?expect,? ?anticipate,? ?plan,? ?intend,? ?foresee,? ?should,? ?would,? ?c ould,? or other similar expressions

August 4, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 4, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

July 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 27, 2022 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

Exhibit 99.2 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND ? Houston, TX ? July 27, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation

July 27, 2022 EX-10.2

Form of Restricted Stock Unit Agreement with a Blank Vesting Schedule under the Company’s 2017 Omnibus Incentive Plan

Exhibit 10.2 ? Name: [?] Number of Restricted Stock Units: [?] Date of Grant: [?] ? ? COMFORT SYSTEMS USA, INC. 2017 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT This Restricted Stock Unit Agreement (the ?Agreement?), is made, effective as of the [?] day of [?], [?] (the ?Grant Date?) between Comfort Systems USA, Inc., a Delaware corporation (the ?Company?), and [?] (the ?Participant?).

July 27, 2022 8-K

Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) July 27, 2022 ? Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 1-13011 76-0526487 (State or other jurisdiction ? (Commi

July 27, 2022 EX-99.1

COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2022 RESULTS

Exhibit 99.1 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2022 RESULTS ? Houston, TX ? July 27, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX) (the ?Company?) today reported results for the quarter ended June 30, 2022.

May 27, 2022 EX-10.1

Third Amended and Restated Credit Agreement dated as of May 25, 2022 by and among Comfort Systems USA, Inc., as Borrower, the Lenders listed on the signature pages thereof, and Wells Fargo Bank, National Association, as Agent for the Lenders

Exhibit 10.1 THIRD AMENDED AND RESTATED CREDIT AGREEMENT dated as of May 25, 2022, by and among COMFORT SYSTEMS USA, INC., as Borrower, CERTAIN FINANCIAL INSTITUTIONS, as Lenders, WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent, CAPITAL ONE, N.A., TRUIST BANK and U.S. BANK NATIONAL ASSOCIATION, as Co-Syndication Agents and BOKF, N.A. dba BANK OF TEXAS and REGIONS BANK, as Co-Docume

May 27, 2022 8-K/A

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 25, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

May 27, 2022 EX-99.1

COMFORT SYSTEMS USA INCREASES AND EXTENDS DEBT FACILITY -- Facility Increased to $850 million and Extended to 2027 --

Exhibit 99.1 CONTACT: Julie Shaeff 675 Bering Drive, Suite 400 Chief Accounting Officer Houston, Texas 77057 (713) 830-9600 [email protected] 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES AND EXTENDS DEBT FACILITY - Facility Increased to $850 million and Extended to 2027 - Houston, TX ? May 26, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial

May 26, 2022 EX-99.1

COMFORT SYSTEMS USA INCREASES AND EXTENDS DEBT FACILITY -- Facility Increased to $850 million and Extended to 2027 --

Exhibit 99.1 CONTACT: Julie Shaeff 675 Bering Drive, Suite 400 Chief Accounting Officer Houston, Texas 77057 (713) 830-9600 [email protected] 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES AND EXTENDS DEBT FACILITY - Facility Increased to $850 million and Extended to 2027 - Houston, TX ? May 26, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial

May 26, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 25, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

May 23, 2022 EX-99.1

COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM

Exhibit 99.1 675 Bering Dr. Suite 400 Houston, Texas 77057 713-830-9600 CONTACT: Julie Shaeff Chief Accounting Officer (713) 830-9600 [email protected] FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM Houston, Texas ? May 23, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air cond

May 23, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 17, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

April 29, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 29, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

April 29, 2022 EX-99.1

Quality People. Building Solutions. NYSE: FIX April 29, 2022

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX April 29, 2022 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words ?believe,? ?expect,? ?anticipate,? ?plan,? ?intend,? ?foresee,? ?should,? ?would,? ?could,? o r o ther similar expressions are intended t

April 27, 2022 8-K

Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) April 27, 2022 ? Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 1-13011 76-0526487 (State or other jurisdiction ? (Comm

April 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 27, 2022 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND ? Houston, TX ? April 27, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilati

April 27, 2022 EX-99.1

COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2022 RESULTS

Exhibit 99.1 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2022 RESULTS ? Houston, TX ? April 27, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX) (the ?Company?) today reported results for the quarter ended March 31, 2022.

April 7, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.       )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ??????) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? ? Confidential, for Use of the Commission Only (as permitted by

April 7, 2022 ARS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents ? ? ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? Table of Contents ? ? ? Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 15, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 15, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

March 15, 2022 EX-99.1

Quality People. Building Solutions. NYSE: FIX March 15, 2022

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX March 15, 2022 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words ?believe,? ?expect,? ?anticipate,? ?plan,? ?intend,? ?foresee,? ?should,? ?would,? ?could,? o r o ther similar expressions are intended t

February 23, 2022 8-K

Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) February 23, 2022 ? Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 1-13011 76-0526487 (State or other jurisdiction ? (C

February 23, 2022 EX-21.1

List of subsidiaries of Comfort Systems USA, Inc.

EXHIBIT 21.1 ? SUBSIDIARIES OF COMFORT SYSTEMS USA, INC. as of December 31, 2021 ? ENTITY NAME DOMESTIC JURISDICTION FORMATION DATE ACI Mechanical, Inc. ? Delaware ? 06/26/1998 ? Air Systems Engineering, Inc. ? Washington ? 05/18/1973 ? AirTemp, Inc. ? Maine ? 10/15/1998 ? Altrax Tool and Equipment Co LLC ? Tennessee ? 12/03/2018 ? Amteck Communication Management LLC ? Delaware ? 06/05/2018 ? Amte

February 23, 2022 EX-99.1

COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2021 RESULTS

Exhibit 99.1 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2021 RESULTS ? Houston, TX ? February 23, 2022 ? Comfort Systems USA, Inc. (NYSE: FIX) (the ?Company?) today reported results for the fourth quar

February 23, 2022 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 [email protected]; 713-830-9687 Houston, Texas 77057 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND Houston, TX — February 23, 2022 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condit

February 23, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 9, 2022 SC 13G/A

FIX / Comfort Systems USA, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 15)* Name of issuer: Comfort Systems USA Inc. Title of Class of Securities: Common Stock CUSIP Number: 199908104 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is fi

January 19, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 13, 2022 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

January 19, 2022 EX-10.1

Resignation and General Release Agreement between Comfort Systems USA, Inc. and Terrence Young, dated as of January 18, 2022

Exhibit 10.1 RESIGNATION AND GENERAL RELEASE AGREEMENT THIS RESIGNATION AND GENERAL RELEASE AGREEMENT (the ?Agreement?) is entered into as of the 18th day of January, 2022, by and between Comfort Systems USA (Texas), L.P., a Texas limited partnership (the ?Company?), and Terrence Young (the ?Executive?). References to the ?Company? in this Agreement shall include, where applicable, Comfort Systems

November 2, 2021 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2021 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

November 2, 2021 EX-99.1

Quality People. Building Solutions. NYSE: FIX November 2, 2021

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX November 2, 2021 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applica ble securities laws and regulations. The words ?believe,? ?expect,? ?anticipate,? ?plan,? ?intend,? ?foresee,? ?should,? ?would,? ?c ould,? or other similar expressions are intended

October 27, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

October 27, 2021 8-K

Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) October 27, 2021 ? Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 1-13011 76-0526487 (State or other jurisdiction ? (Co

October 27, 2021 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND ? Houston, TX ? October 27, 2021 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventila

October 27, 2021 EX-99.1

COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2021 RESULTS - Reports Strong Growth, Earnings, Backlog and Cash Flow -

Exhibit 99.1 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2021 RESULTS ? - Reports Strong Growth, Earnings, Backlog and Cash Flow - ? Houston, TX ? October 27, 2021 ? Comfort Systems USA, Inc. (NYSE: FIX) today reporte

August 10, 2021 EX-99.1

Quality People. Building Solutions. NYSE: FIX August 10, 2021

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX August 10, 2021 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words ?believe,? ?expect,? ?anticipate,? ?plan,? ?intend,? ?foresee,? ?should,? ?would,? ?could,? or oth er similar expressions are intended t

August 10, 2021 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 10, 2021 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of i

July 28, 2021 EX-99.1

COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2021 RESULTS

Exhibit 99.1 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2021 RESULTS ? Houston, TX ? July 28, 2021 ? Comfort Systems USA, Inc. (NYSE: FIX) today reported results for the quarter ended June 30, 2021. ? For the quarte

July 28, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 28, 2021 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 28, 2021 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

July 28, 2021 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 ? ? CONTACT: Julie Shaeff, Chief Accounting Officer 675 Bering Drive, Suite 400 ? [email protected]; 713-830-9687 Houston, Texas 77057 ? ? 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND ? Houston, TX ? July 28, 2021 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilatio

May 21, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 18, 2021 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

May 4, 2021 EX-99.1

Quality People. Building Solutions. NYSE: FIX May 4, 2021

EX-99.1 2 tm2115014d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX May 4, 2021 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “c ould,” or

May 4, 2021 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 4, 2021 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of incor

April 28, 2021 EX-99.1

COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2021 RESULTS

EX-99.1 2 fix-20210428xex99d1.htm EX-99.1 Exhibit 99.1 CONTACT: William George, CFO (713-830-9650) 675 Bering Drive, Suite 400 Julie Shaeff, CAO (713-830-9687) Houston, Texas 77057 [email protected] 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2021 RESULTS Houston, TX — April 28, 2021 — Comfort Systems USA, Inc. (NYSE: FIX) today reported results for the quar

April 28, 2021 10-Q

Quarterly Report - 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 28, 2021 8-K

Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) April 28, 2021 ? Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 1-13011 76-0526487 (State or other jurisdiction ? (Comm

April 28, 2021 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

EX-99.2 3 fix-20210428xex99d2.htm EX-99.2 Exhibit 99.2 CONTACT: William George, CFO (713-830-9650) 675 Bering Drive, Suite 400 Julie Shaeff, CAO (713-830-9687) Houston, Texas 77057 [email protected] 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND Houston, TX — April 28, 2021 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industr

April 12, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: Comfort Systems USA Inc. Title of Class of Securities: Common Stock CUSIP Number: 199908104 Date of Event Which Requires Filing of this Statement: March 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

April 8, 2021 DEF 14A

- DEF 14A

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ??????) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? ? Confidential, for Use of the Commission Only (as permitted by

April 8, 2021 ARS

- ARS

ARS 1 fix-20210408xcorresp.htm ARS Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒

March 16, 2021 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 16, 2021 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

March 16, 2021 EX-99.1

Quality People. Building Solutions. NYSE: FIX March 16, 2021

EX-99.1 2 tm219577d2ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX March 16, 2021 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of applicab le securities laws and regulations. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “c ould,”

March 15, 2021 EX-16.1

Letter to Securities and Exchange Commission from Ernst & Young LLP, dated March 15, 2021

Exhibit 16.1 Ernst & Young LLP Tel: +1 713 750 1500 5 Houston Center www.ey.com 1401 McKinney Street Suite 2400 Houston, TX 77010 March 15, 2021 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Ladies and Gentlemen: We have read Item 4.01 of Form 8-K dated March 15, 2021, of Comfort Systems USA, Inc. and are in agreement with the statements contained in the 2nd, 3rd and 4

March 15, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 10, 2021 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

February 25, 2021 10-K

Annual Report - 10-K

Table of Contents ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 25, 2021 EX-99.1

COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2020 RESULTS

EX-99.1 2 fix-20210225xex99d1.htm EX-99.1 Exhibit 99.1 CONTACT: William George, CFO (713-830-9650) 675 Bering Drive, Suite 400 Julie Shaeff, CAO (713-830-9687) Houston, Texas 77057 [email protected] 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2020 RESULTS Houston, TX — February 25, 2021 — Comfort Systems USA, Inc. (NYSE: FIX) today reported re

February 25, 2021 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 ? ? CONTACT: William George, CFO (713-830-9650) 675 Bering Drive, Suite 400 ? Julie Shaeff, CAO (713-830-9687) Houston, Texas 77057 ? [email protected] 713-830-9600 ? FOR IMMEDIATE RELEASE ? COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND ? Houston, TX ? February 25, 2021 ? Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional he

February 25, 2021 8-K

Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) February 25, 2021 ? Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware 1-13011 76-0526487 (State or other jurisdiction ? (C

February 25, 2021 EX-21.1

List of subsidiaries of Comfort Systems USA, Inc.

EX-21.1 2 fix-20201231xex21d1.htm EX-21.1 EXHIBIT 21.1 SUBSIDIARIES OF COMFORT SYSTEMS USA, INC. as of December 31, 2020 ENTITY NAME DOMESTIC JURISDICTION FORMATION DATE ACI Mechanical, Inc. Delaware 06/26/1998 Acorn Industrial, LLC North Carolina 01/03/1997 Air Systems Engineering, Inc. Washington 05/18/1973 AirTemp, Inc. Maine 10/15/1998 Altrax Tool and Equipment Co LLC Tennessee 12/03/2018 ARC

February 23, 2021 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 8, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer o

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)*

SC 13G/A 1 tv0589-comfortsystemsusainc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Comfort Systems USA Inc. Title of Class of Securities: Common Stock CUSIP Number: 199908104 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box t

December 11, 2020 EX-99.2

COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM

Exhibit 99.2 675 Bering Dr. Suite 400 CONTACT: William George Houston, Texas 77057 Chief Financial Officer 713-830-9600 (713) 830-9600 Fax 713-830-9696 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM Houston, Texas – December 11, 2020 – Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condit

December 11, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 8, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

December 11, 2020 EX-99.1

COMFORT SYSTEMS ANNOUNCES CHIEF OPERATING OFFICER APPOINTMENT

Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9600 713-830-9600 713-830-9696 FOR IMMEDIATE RELEASE COMFORT SYSTEMS ANNOUNCES CHIEF OPERATING OFFICER APPOINTMENT Houston, Texas – December 11, 2020 – Comfort Systems USA, Inc. (NYSE:FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air con

October 30, 2020 8-K

Regulation FD Disclosure - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 30, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

October 30, 2020 EX-99.1

Investor presentation dated October 30, 2020

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX October 30, 2020 SAFE HARBOR Certain statements and information in this presentation may constitute forward-looking statements regarding our future business expectations, which are subject to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. The words “believe,” “expect,” “anticipate,” “plan,”

October 26, 2020 EX-99.1

COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2020 RESULTS

Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2020 RESULTS Houston, TX — October 26, 2020 — Comfort Systems USA, Inc. (NYSE: FIX) today reported results for the quarter ended September 30, 2020. For the quarter ended September 30, 2020, net incom

October 26, 2020 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — October 26, 2020 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and electrical cont

October 26, 2020 8-K

Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 26, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

October 26, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

August 10, 2020 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 10, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of i

August 10, 2020 EX-99.1

Quality People. Building Solutions. NYSE: FIX August 10, 2020

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX August 10, 2020 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements regarding our future business expectations, which are subject to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as ame nde d. The words “believe,” “expect,” “anticipate,” “plan

July 27, 2020 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

EX-99.2 3 fix-20200727xex99d2.htm EX-99.2 Exhibit 99.2 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND Houston, TX — July 27, 2020 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation

July 27, 2020 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 27, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

July 27, 2020 EX-99.1

COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2020 RESULTS

Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2020 RESULTS Houston, TX — July 27, 2020 — Comfort Systems USA, Inc. (NYSE: FIX) today reported results for the quarter ended June 30, 2020. For the quarter ended June 30, 2020, net income was $39.5

July 27, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-

May 26, 2020 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 26, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

May 26, 2020 EX-99.1

COMFORT SYSTEMS USA RESUMES STOCK PURCHASES; COMMENTS ON APRIL RESULTS

Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA RESUMES STOCK PURCHASES; COMMENTS ON APRIL RESULTS Houston, TX — May 26, 2020 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning a

May 22, 2020 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 19, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

May 5, 2020 EX-99.1

Quality People. Building Solutions. NYSE: FIX May 5, 2020

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX May 5, 2020 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements regarding our future business expectations, which are subject to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as ame nde d. The words “believe,” “expect,” “anticipate,” “plan,” “

May 5, 2020 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 5, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of incor

April 27, 2020 EX-99.1

COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2020 RESULTS

EX-99.1 2 fix-20200427xex99d1.htm EX-99.1 Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2020 RESULTS Houston, TX — April 27, 2020 — Comfort Systems USA, Inc. (NYSE: FIX) today reported results for the quarter ended March 31, 2020. For the quarter

April 27, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1

April 27, 2020 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

EX-99.2 3 fix-20200427xex99d2.htm EX-99.2 Exhibit 99.2 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND Houston, TX — April 27, 2020 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilatio

April 27, 2020 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 27, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

April 24, 2020 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

April 9, 2020 ARS

FIX / Comfort Systems USA, Inc. ARS - -

Table of Contents frontmatter01.1 frontmatter01.2 Table of Contents frontmatter02.1 frontmatter02.2 Table of Contents frontmatter03.1 frontmatter03.2 Table of Contents frontmatter04.1 frontmatter04.2 Table of Contents frontmatter05.1 frontmatter05.2 Table of Contents frontmatter06.1 frontmatter06.2 Table of Contents frontmatter07.1 frontmatter07.2 Table of Contents frontmatter08.1 frontmatter08.2

April 9, 2020 DEF 14A

FIX / Comfort Systems USA, Inc. DEF 14A - - DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

April 2, 2020 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 1, 2020 Comfort Systems USA, Inc. (Exact name of Registrant, as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission file number) (I.R.S

March 13, 2020 EX-2.1

Agreement and Plan of Merger dated as of March 9, 2020 among Comfort Systems USA, Inc., OSC Acquisition Corp., TAS Energy Inc., and Element Partners II, L.P., as Stockholder Representative

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER* BY AND AMONG COMFORT SYSTEMS USA, INC., OSC Acquisition Corp., TAS ENERGY INC., AND ELEMENT PARTNERS II, L.P., SOLELY IN ITS CAPACITY AS THE REPRESENTATIVE OF THE COMPANY STOCKHOLDERS Dated as of March 9, 2020 * The schedules to the Merger Agreement have been omitted from this filing pursuant to Item 601(b)(2) of Regulation S-K. The Compa

March 13, 2020 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 9, 2020 Comfort Systems USA, Inc. (Exact name of Registrant, as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission File Number) (I.R.S

March 13, 2020 EX-99.1

COMFORT SYSTEMS USA ANNOUNCES ACQUISITION - Agrees to Acquire TAS Energy in Houston TX – - Plans to Add to Modular Construction Offering -

Exhibit 99.1 675 Bering Drive, Suite 400 Houston, Texas 77057 713-830-9600 CONTACT: William George Chief Financial Officer (713) 830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA ANNOUNCES ACQUISITION - Agrees to Acquire TAS Energy in Houston TX – - Plans to Add to Modular Construction Offering - Houston, TX – March 9, 2020 – Comfort Systems USA, Inc. (NYSE: FIX) today announced that it has enter

March 6, 2020 EX-99.1

Quality People. Building Solutions. NYSE: FIX March 6, 2020

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX March 6, 2020 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements regarding our future business expectations, which are subject to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as ame nde d. The words “believe,” “expect,” “anticipate,” “plan,”

March 6, 2020 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 6, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

February 26, 2020 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — February 26, 2020 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and electrical con

February 26, 2020 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 26, 2020 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 26, 2020 EX-10.56

Amendment No. 6 to Second Amended and Restated Credit Agreement and Amendment to Other Loan Documents

Exhibit 10.56 Execution Version AMENDMENT NO. 6 TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT AND AMENDMENT TO OTHER LOAN DOCUMENTS THIS AMENDMENT NO. 6 TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT AND AMENDMENT TO OTHER LOAN DOCUMENTS (this “Amendment”) dated as of December 20, 2019 (the “Amendment Effective Date”), is among COMFORT SYSTEMS USA, INC., a Delaware corporation (the “Borrower”),

February 26, 2020 EX-21.1

List of subsidiaries of Comfort Systems USA, Inc.

EXHIBIT 21.1 SUBSIDIARIES OF COMFORT SYSTEMS USA, INC. as of December 31, 2019 ENTITY NAME DOMESTIC JURISDICTION FORMATION DATE ACI Mechanical, Inc. Delaware 06/26/1998 Acorn Industrial, LLC North Carolina 01/03/1997 Air Systems Engineering, Inc. Washington 05/18/1973 AirTemp, Inc. Maine 10/15/1998 ARC Comfort Systems USA, Inc. Delaware 03/17/1998 Armani East LLC New York 12/03/2018 BCH Holdings,

February 26, 2020 EX-99.1

COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2019 RESULTS

Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2019 RESULTS Houston, TX — February 26, 2020 — Comfort Systems USA, Inc. (NYSE: FIX) today reported results for the fourth quarter and annual period ended December 31, 2019. For the qua

February 26, 2020 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-1301

February 26, 2020 EX-4.2

Description of Registrant’s Securities

Exhibit 4.2 DESCRIPTION OF COMMON STOCK As of February 26, 2020, Comfort Systems USA, Inc. (“Comfort Systems,” “we,” us,” and “our”) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. Our Certificate of Incorporation, as amended, authorizes us to issue a total of 107,969,912 shares of stock, of which 100,000,000 are designa

February 12, 2020 SC 13G/A

FIX / Comfort Systems USA, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Comfort Systems USA Inc Title of Class of Securities: Common Stock CUSIP Number: 199908104 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is fil

December 20, 2019 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 20, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

November 19, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 15, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

November 19, 2019 EX-99.1

COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM

Exhibit 99.1 675 Bering Dr. Suite 400 Houston, Texas 77057 CONTACT: William George 713-830-9600 Chief Financial Officer Fax 713-830-9696 (713) 830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES STOCK REPURCHASE PROGRAM Houston, TX – November 19, 2019 – Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air condition

October 31, 2019 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 31, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

October 31, 2019 EX-99.1

Quality People. Building Solutions. NYSE: FIX October 31, 2019

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX October 31, 2019 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of the Priv ate Securities Litigation Reform Act of 1995, as amended. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee ,” “should,” “would,” “could,” or other similar exp

October 25, 2019 EX-99.1

COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2019 RESULTS

EX-99.1 2 fix-20191024ex991343a75.htm EX-99.1 Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS THIRD QUARTER 2019 RESULTS Houston, TX — October 24, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heatin

October 25, 2019 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 24, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

October 25, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

October 25, 2019 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND Houston, TX — October 24, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and electrical contr

August 12, 2019 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 12, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of i

August 12, 2019 EX-99.1

Quality People. Building Solutions. NYSE: FIX August 12, 2019

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX August 12, 2019 SAFE HARBOR Certain statements and information in this presentation may constitute forward - looking statements within the meaning of the Priv ate Securities Litigation Reform Act of 1995, as amended. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee ,” “should,” “would,” “could,” or other similar expr

July 25, 2019 EX-99.1

COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2019 RESULTS

Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS SECOND QUARTER 2019 RESULTS Houston, TX — July 25, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and electrical

July 25, 2019 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 25, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inc

July 25, 2019 EX-99.2

COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND

EX-99.2 3 fix-20190725ex9928c3f11.htm EX-99.2 Exhibit 99.2 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA DECLARES QUARTERLY DIVIDEND Houston, TX — July 25, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventila

July 25, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-

June 13, 2019 8-K/A

Regulation FD Disclosure, Financial Statements and Exhibits

8-K/A 1 a19-1146218ka.htm 8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT (Amendment No. 1) Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 1, 2019 Comfort Systems USA, Inc. (Exact name of Registrant, as specified in its charter) Delaware 1-13011 76-0526487 (State o

June 13, 2019 EX-99.2

WALKER TX HOLDING COMPANY, INC. AND SUBSIDIARIES Irving, Texas CONSOLIDATED FINANCIAL STATEMENTS December 31, 2018

Exhibit 99.2 WALKER TX HOLDING COMPANY, INC. AND SUBSIDIARIES Irving, Texas CONSOLIDATED FINANCIAL STATEMENTS December 31, 2018 WALKER TX HOLDING COMPANY, INC. AND SUBSIDIARIES Irving, Texas FINANCIAL STATEMENTS December 31, 2018 CONTENTS INDEPENDENT AUDITOR’S REPORT 1 CONSOLIDATED FINANCIAL STATEMENTS CONSOLIDATED BALANCE SHEET 3 CONSOLIDATED STATEMENT OF OPERATIONS 4 CONSOLIDATED STATEMENT OF SH

May 24, 2019 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 21, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of inco

May 1, 2019 EX-99.1

Quality People. Building Solutions. NYSE: FIX May 1, 2019

Exhibit 99.1 Quality People. Building Solutions. NYSE: FIX May 1, 2019 Safe Harbor Certain statements and information in this presentation may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee,” “should,” “would,” “could,” or other similar expressions

May 1, 2019 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 1, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of incor

April 25, 2019 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 25, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of in

April 25, 2019 EX-99.1

COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2019 RESULTS

Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2019 RESULTS Houston, TX — April 25, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and electrical

April 25, 2019 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — April 25, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and electrical contra

April 25, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ⌧ QUARTERLY REPORT PURSUANT TO SECTION 13, OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number:

April 15, 2019 ARS

FIX / Comfort Systems USA, Inc. ARS

Table of Contents 18 ANNUAL REPORT Table of Contents (in th(oinusthaonudssa, nedxcs,eepxt cpeeprtsphearreshaamreouanmtso)unts) ComCofmorftoSrtysStyesmtesmUsSUASisA aisleaaldeiandginngantiaontiaolnianlsitnasltl atlliaontion andansdersveircveicperopvriodveirdeforrfohreahteiantgin, vge, nvteinlattiliaonti,oann, danadiracironcdointdiointiionnging sy styesmtesm, asn, danrdelraetleadtemdemcheacnhiacnailcsael rsveircveisceins tinhethceomcommemrceiarcl,ial, indinusdtursiatrl,iaaln, danindsitnitsutittiuontiaolnmalamrkaertkse.

April 12, 2019 DEF 14A

FIX / Comfort Systems USA, Inc. DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

April 4, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 1, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction of incorporation) (Commission Fi

April 4, 2019 EX-99.1

COMFORT SYSTEMS USA ANNOUNCES ACQUISITION - Announces Closing of Walker Engineering Acquisition -

EX-99.1 2 a19-78571ex99d1.htm EX-99.1 Exhibit 99.1 675 Bering Drive, Suite 400 Houston, Texas 77057 713-830-9600 Fax: 713-830-9696 CONTACT: William George Chief Financial Officer (713) 830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA ANNOUNCES ACQUISITION - Announces Closing of Walker Engineering Acquisition - Houston, TX – April 1, 2019 – Comfort Systems USA, Inc. (NYSE: FIX), a leading provide

March 1, 2019 EX-99.1

Comfort Systems USA Quality People. Building Solutions. NYSE: FIX March 1, 2019

EX-99.1 2 a19-51853ex99d1.htm EX-99.1 Exhibit 99.1 Comfort Systems USA Quality People. Building Solutions. NYSE: FIX March 1, 2019 Safe Harbor Certain statements and information in this presentation may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “foresee

March 1, 2019 8-K

Regulation FD Disclosure

8-K 1 a19-518538k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 1, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commi

February 26, 2019 EX-2.1

Purchase Agreement, dated February 21, 2019, by and among the Company, Walker, the Shareholder Sellers and Scott Walker, in his capacity as representative of the Shareholder Sellers

EXHIBIT 2.1 EXECUTION VERSION PURCHASE AGREEMENT* by and among SCOTT WALKER BRENT WALKER CHARLES WALKER SCOTT WALKER STOCK GST EXEMPT TRUST SCOTT WALKER STOCK GST NON-EXEMPT TRUST WALKER TX HOLDING COMPANY, INC. SCOTT WALKER, AS THE SELLER REPRESENTATIVE, AND COMFORT SYSTEMS USA, INC., Dated as of February 21, 2019 * The schedules to the Purchase Agreement have been omitted from this filing pursua

February 26, 2019 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 21, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 21, 2019 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 21, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 21, 2019 EX-99.1

COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2018 RESULTS

Exhibit 99.1 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA REPORTS FOURTH QUARTER AND FULL YEAR 2018 RESULTS Houston, TX — February 21, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of mechanical services including heating, ventilation, air conditioning, plumbin

February 21, 2019 EX-99.2

COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND

Exhibit 99.2 CONTACT: William George 675 Bering Drive, Suite 400 Chief Financial Officer Houston, Texas 77057 713-830-9650 713-830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA INCREASES QUARTERLY DIVIDEND Houston, TX — February 21, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of mechanical services including heating, ventilation, air conditioning, plumbing, piping and control

February 21, 2019 EX-99.1

COMFORT SYSTEMS USA ANNOUNCES ACQUISITION - Agrees to Acquire Walker Engineering family of companies in Texas -

EX-99.1 2 a19-51851ex99d1.htm EX-99.1 Exhibit 99.1 675 Bering Drive, Suite 400 Houston, Texas 77057 713-830-9600 CONTACT: William George Chief Financial Officer (713) 830-9600 FOR IMMEDIATE RELEASE COMFORT SYSTEMS USA ANNOUNCES ACQUISITION - Agrees to Acquire Walker Engineering family of companies in Texas - Houston, TX — February 21, 2019 — Comfort Systems USA, Inc. (NYSE: FIX), a leading provide

February 21, 2019 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 21, 2019 Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13011 76-0526487 (State or other jurisdiction (Commission (IRS Employer of

February 21, 2019 EX-21.1

List of subsidiaries of Comfort Systems USA, Inc.

EXHIBIT 21.1 SUBSIDIARIES OF COMFORT SYSTEMS USA, INC. as of December 31, 2018 ENTITY NAME DOMESTIC JURISDICTION FORMATION DATE Accu-Temp GP, Inc. Delaware 05/21/1998 Accu-Temp LP, Inc. Delaware 05/20/1998 ACI Mechanical, Inc. Delaware 06/26/1998 Acorn Industrial, LLC North Carolina 01/03/1997 Advance Technology, Inc. Maine 08/09/1994 Air Systems Engineering, Inc. Washington 05/18/1973 AirTemp, In

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