Item 16. Form 10-K Summary

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Item 16. Form 10-K Summary

None.

INDEX OF EXHIBITS

		Incorporated by Referenceto the Exhibit Indicated Belowand to the Filing with theCommission Indicated Below
ExhibitNumber	Description of Exhibits	ExhibitNumber	Filing or File Number
3.1	Second Amended and Restated Certificate of Incorporation of the Registrant	3.1	333-24021
3.2	Certificate of Amendment dated May 21, 1998	3.2	1998 Form 10-K
3.3	Certificate of Amendment dated July 9, 2003	3.3	2003 Form 10-K
3.4	Certificate of Amendment dated May 20, 2016	3.1	May 20, 2016 Form 8-K
3.5	Amended and Restated Bylaws of Comfort Systems USA, Inc.	3.1	March 25, 2016 Form 8-K
4.1	Form of certificate evidencing ownership of Common Stock of the Registrant	4.1	333-24021
4.2	Description of Registrant’s Securities	4.2	2019 Form 10-K
*10.1	Employment Agreement between the Company, Eastern Heating & Cooling, Inc. and Alfred J. Giardinelli, Jr.	10.1	Second Quarter 2003 Form 10-Q
*10.2	Form of Comfort Systems USA, Inc. Executive Severance Policy	10.3	First Quarter 2008 Form 10-Q
*10.3	Form of Directors and Officers Indemnification Agreement	10.1	May 19, 2009 Form 8-K
10.4	Second Amended and Restated Credit Agreement by and among Comfort Systems USA, Inc., as Borrower and Wells Fargo Bank, National Association, as Administrative Agent/Wells Fargo Securities LLC, as Sole Lead Arranger and Sole Lead Book Runner/Bank of Texas, N.A., Capital One, N.A., and Regions Bank as Co-Syndication Agent/and Certain Financial Institutions as Lenders	10.1	July 22, 2010 Form 8-K/A
10.5	Stock Purchase Agreement, dated July 28, 2010	10.1	July 30, 2010 Form 8-K
10.6	Amendment No. 1 to Second Amended and Restated Credit Agreement, Second Amended and Restated Security Agreement, and Second Amended and Restated Pledge Agreement	10.1	Third Quarter 2011 Form 10-Q
10.7	Amendment No. 2 to Second Amended and Restated Credit Agreement and Amendment to Other Loan Documents	10.1	Second Quarter 2013 Form 10-Q
10.8	Amendment No. 3 to Second Amended and Restated Credit Agreement and Amendment to Other Loan Documents	10.1	Third Quarter 2014 Form 10-Q
10.9	Agreement and Plan of Merger between the Company and Dyna Ten Corporation, dated April 7, 2014	10.1	April 9, 2014 Form 8-K
*10.10	Form of Amended Change in Control Agreement	10.1	Third Quarter 2015 Form 10-Q
10.11	Amendment No. 4 to Second Amended and Restated Credit Agreement and Amendment to Other Loan Documents	10.1	2015 Form 10-K
*10.12	Form of 2016 Stock Option Notice	10.3	March 25, 2016 Form 8-K
*10.13	Resignation and General Release Agreement between the Company and James Mylett, dated as of January 10, 2017	10.1	January 11, 2017 Form 8-K
10.14	Stock Purchase Agreement, dated February 21, 2017, by and among the Company, BCH, the Selling Shareholders and Daryl Blume, in his capacity as representative of the Selling Shareholders	2.1		February 23, 2017 Form 8-K
10.15	Form of Promissory Note, dated April 1, 2017, issued by the Company in favor of each of the Selling Shareholders	10.1		April 3, 2017 Form 8-K

		Incorporated by Referenceto the Exhibit Indicated Belowand to the Filing with theCommission Indicated Below
ExhibitNumber	Description of Exhibits	ExhibitNumber	Filing or File Number
*10.16	2017 Omnibus Incentive Plan	A		April 10, 2017 Proxy Statement
*10.17	2017 Senior Management Annual Performance Plan	B		April 10, 2017 Proxy Statement
*10.18	Form of Restricted Stock Unit Agreement under the Company’s 2017 Omnibus Incentive Plan	10.1		First Quarter 2018 Form 10-Q
*10.19	Form of Stock Option Notice under the Company’s 2017 Omnibus Incentive Plan	10.2		First Quarter 2018 Form 10-Q
*10.20	Form of Dollar-denominated Performance Restricted Stock Unit Agreement under the Company’s 2017 Omnibus Incentive Plan	10.3		First Quarter 2018 Form 10-Q
10.21	Amendment No. 5 to Second Amended and Restated Credit Agreement and Amendment to Other Loan Documents	10.1		Second Quarter 2018 Form 10-Q
10.22	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	2.1		February 26, 2019 Form 8-K
10.23	Amendment No. 6 to Second Amended and Restated Credit Agreement and Amendment to Other Loan Documents	10.56		2019 Form 10-K
10.24	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	2.1		March 13, 2020 Form 8-K
*10.25	Resignation and General Release Agreement between Comfort Systems USA, Inc. and Terrence Young, dated as of January 18, 2022	10.1		January 19, 2022 Form 8-K
10.26	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	10.1		May 27, 2022 Form 8-K/A
*10.27	Form of Restricted Stock Unit Agreement with a Blank Vesting Schedule under the Company’s 2017 Omnibus Incentive Plan	10.2		Second Quarter 2022 Form 10-Q
*10.28	Form of Restricted Stock Unit Agreement with Revisions under the Company’s 2017 Omnibus Incentive Plan	10.1		First Quarter 2023 Form 10-Q
*10.29	Form of Dollar-denominated Performance Restricted Stock Unit Agreement with Revisions under the Company’s 2017 Omnibus Incentive Plan	10.2		First Quarter 2023 Form 10-Q
*10.30	Form of Restricted Stock Unit Agreement without “Rule of 75” Vesting under the Company’s 2017 Omnibus Incentive Plan	10.34		2023 Form 10-K
10.31	Fourth Amended and Restated Credit Agreement dated as of August 27, 2025 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	10.1		September 2, 2025 Form 8-K
10.32	Fourth Amended and Restated Credit Agreement dated as of August 27, 2025 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	10.32		Filed Herewith
19	Insider Trading Window Policy			Filed Herewith
21.1	List of subsidiaries of Comfort Systems USA, Inc.			Filed Herewith
23.1	Consent of Deloitte & Touche LLP			Filed Herewith
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002			Filed Herewith
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002			Filed Herewith
32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002			Furnished Herewith

			Incorporated by Referenceto the Exhibit Indicated Belowand to the Filing with theCommission Indicated Below
ExhibitNumber		Description of Exhibits	ExhibitNumber	Filing or File Number
32.2		Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002			Furnished Herewith
97		Comfort Systems USA, Inc. Policy for Recoupment of Incentive Compensation			2023 Form 10-K
101.INS		Inline XBRL Instance Document			Filed Herewith
101.SCH	Inline XBRL Taxonomy Extension Schema Document				Filed Herewith
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document				Filed Herewith
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document				Filed Herewith
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document				Filed Herewith
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document				Filed Herewith
104	Cover Page Interactive Data File (the cover page XBRL tags are embedded in the Inline XBRL document)

*	Management contract or compensatory plan.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.


	COMFORT SYSTEMS USA, INC.

	By:	/s/ BRIAN E. LANE
		Brian E. Lane
		Chief Executive Officer
Date: February 19, 2026

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed by the following persons on behalf of the registrant and in the capacities and on the dates indicated.


Signature		Title		Date

/s/ Brian E. Lane		Chief Executive Officer and Director		February 19, 2026
Brian E. Lane		(Principal Executive Officer)

/s/ William George		Executive Vice President and Chief Financial		February 19, 2026
William George		Officer (Principal Financial Officer)

/s/ Julie S. Shaeff		Senior Vice President and Chief Accounting		February 19, 2026
Julie S. Shaeff		Officer (Principal Accounting Officer)

/s/ Franklin Myers		Chair of the Board		February 19, 2026
Franklin Myers

/s/ Darcy G. Anderson		Director		February 19, 2026
Darcy G. Anderson

/s/ Herman E. Bulls		Director		February 19, 2026
Herman E. Bulls

/s/ RHOMAN J. HARDY		Director		February 19, 2026
Rhoman J. Hardy

/s/ Gaurav Kapoor		Director		February 19, 2026
Gaurav Kapoor

/s/ Pablo G. Mercado		Director		February 19, 2026
Pablo G. Mercado

/s/ William J. Sandbrook		Director		February 19, 2026
William J. Sandbrook

/s/ Constance E. Skidmore		Director		February 19, 2026
Constance E. Skidmore

/s/ Cindy L. Wallis-Lage		Director		February 19, 2026
Cindy L. Wallis-Lage

Previous: Item 15. Exhibits and Financial Statement Schedules