FIX

EX-99.1

2 fix-20260423xex99d1.htm

EX-99.1

Exhibit 99.1

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CONTACT:

Julie Shaeff, Chief Accounting Officer

9753 Katy Freeway, Suite 700

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ir@comfortsystemsusa.com; 713-830-9687

Houston, Texas 77024

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713-830-9600

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FOR IMMEDIATE RELEASE

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COMFORT SYSTEMS USA REPORTS FIRST QUARTER 2026 RESULTS

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Houston, TX — April 23, 2026 — Comfort Systems USA, Inc. (NYSE: FIX) (the “Company”) today reported results for the quarter ended March 31, 2026.

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For the quarter ended March 31, 2026, net income was $370.4 million, or $10.51 per diluted share, as compared to $169.3 million, or $4.75 per diluted share, for the quarter ended March 31, 2025. Revenue for the first quarter of 2026 was $2.87 billion compared to $1.83 billion in 2025. The Company reported operating cash inflows of $388.8 million in the current quarter compared to operating cash outflows of $88.0 million in 2025.

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Backlog as of March 31, 2026 was $12.45 billion as compared to $11.94 billion as of December 31, 2025 and $6.89 billion as of March 31, 2025. On a same-store basis, backlog increased from $6.89 billion as of March 31, 2025 to $12.21 billion as of March 31, 2026.

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Brian Lane, Comfort Systems USA’s Chief Executive Officer, said, “Our growing teams continue to achieve masterful performance across the United States, and their excellence and dedication is delivering unmatched outcomes for our customers and communities. Thanks to these teams, Comfort Systems USA is achieving unprecedented results for our shareholders, including organic revenue growth this quarter of 51% compared to the same quarter of last year, and per share earnings that have more than doubled over the same period. In addition to our record growth and profitability, we achieved more than $375 million of quarterly cash flow.”

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Mr. Lane concluded, “Our capabilities and reputation, combined with robust ongoing demand, resulted in higher backlog even with increased burn rates. Considering recent bookings, underlying persistent demand, and our strong pipelines, we are optimistic about our prospects for the next several quarters.”

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The Company will host a webcast and conference call to discuss its financial results and position on Friday, April 24, 2026 at 10:00 a.m. Central Time. To register for the call, please visit https://register-conf.media-server.com/register/BI605bac196e264d3a8a7439fb86f12edd. Upon registering, participants will receive dial-in information and a unique PIN to join the call. The call and the slide presentation to accompany the remarks can be accessed on the Company’s website at www.comfortsystemsusa.com under the “Investors” tab. A replay of the entire call will be available on the Company’s website on the next business day following the call.

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Comfort Systems USA® is a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and electrical contracting services, with 197 locations in 143 cities across the nation. For more information, visit the Company’s website at www.comfortsystemsusa.com.

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Certain statements and information in this press release may constitute forward-looking statements regarding our future business expectations, which are subject to 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 nature. These forward-looking statements are based on the current expectations and beliefs of Comfort Systems USA, Inc. and its subsidiaries (collectively, the “Company”) concerning future developments and their effect on the Company. While the Company’s management believes that these forward-looking statements are reasonable as and when made, there can be no assurance that future developments affecting the Company will be those that it anticipates, and the Company’s actual results of operations, financial condition and liquidity, and the development of the industry in which the Company operates, may differ materially from those made in or suggested by the forward-looking statements contained in this press release. In addition, even if our results of operations, financial condition and liquidity, and the development of the industry in which we operate, are consistent with the forward-looking statements contained in this press release, those results or developments may not be indicative of our results or developments in subsequent periods. All comments concerning the Company’s expectations for future revenue and operating results are based on the Company’s forecasts for its existing operations and do not include the potential impact of any future acquisitions. The Company’s forward-looking statements involve significant risks and uncertainties (some of which are beyond the Company’s control) and assumptions that could cause actual future results to differ materially from the C

Comfort Systems USA, Inc._February 19, 2026 0001035983false00010359832026-02-192026-02-19 ​ ​

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 19, 2026 ​ Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ​ ​

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Delaware ​ ​ ​ 1-13011 ​ ​ ​ 76-0526487

(State or other jurisdiction ​ (Commission ​ (IRS Employer

of incorporation) ​ File Number) ​ Identification No.)

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9753 Katy Freeway, Suite 700 ​ ​ ​ ​

Houston, Texas ​ 77024

(Address of principal executive offices) ​ (Zip Code)

​ Registrant’s telephone number, including area code (713) 830-9600 ​ 675 Bering Drive, Suite 400 Houston, Texas 77057 (Former name or former address, if changed since last report.) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Securities registered pursuant to Section 12(b) of the Act: ​

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common Stock, $0.01 par value FIX New York Stock Exchange

​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). ​ Emerging growth company ☐ ​ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​

ITEM 2.02        Results of Operations and Financial Condition ​ Attached and incorporated herein by reference as Exhibit 99.1 is a copy of a press release of Comfort Systems USA, Inc. (the “Company”) dated February 19, 2026 reporting the Company’s financial results for the fourth quarter and full year of 2025. ​ The information contained in this Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for any purpose, and shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as expressly set forth by specific reference in such filing. ​ ITEM 8.01           Other Events ​ Attached and incorporated herein by reference as Exhibit 99.2 is a copy of a press release of the Company dated February 19, 2026 reporting the Company’s declaration of a quarterly dividend on the Company’s common stock to stockholders of record as of the close of business on the record date, March 6, 2026. ​ ITEM 9.01        Financial Statements and Exhibits ​ (d) The following Exhibits are included herein: ​ Exhibit 99.1 Press Release of Comfort Systems USA, Inc. dated February 19, 2026 reporting the Company’s financial results for the fourth quarter and full year of 2025. ​ Exhibit 99.2 Press Release of Comfort Systems USA, Inc. dated February 19, 2026 reporting the Company’s declaration of a quarterly dividend on the Company’s common stock to stockholders of record as of the close of business on the record date, March 6, 2026. ​

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EXHIBIT INDEX

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Exhibit Number ​ ​ ​ Exhibit Title or Description

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99.1 ​ Press Release of Comfort Systems USA, Inc. dated February 19, 2026 reporting the Company’s financial results for the fourth quarter and full year of 2025.

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99.2 ​ Press Release of Comfort Systems USA, Inc. dated February 19, 2026 reporting the Company’s declaration of a quarterly dividend on the Company’s common stock to stockholders of record as of the close of business on the record date, March 6, 2026.

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104 ​ Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document).

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SIGNATURES

​ Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

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COMFORT SYSTEMS USA, INC.

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​ By: /s/ Rachel R. Eslicker

​ ​ Rachel R. Eslicker, Senior Vice President and General Counsel

​ Date:      February 19, 2026 ​

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Comfort Systems USA, Inc._October 23, 2025 0001035983false00010359832025-10-232025-10-23 ​ ​

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 23, 2025 ​ Comfort Systems USA, Inc. (Exact name of registrant as specified in its charter) ​ ​

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​

​

Delaware

1-13011

76-0526487

(State or other jurisdiction ​ (Commission ​ (IRS Employer

of incorporation) ​ File Number) ​ Identification No.)

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​

​

675 Bering Drive, Suite 400

​

Houston, Texas ​ 77057

(Address of principal executive offices) ​ (Zip Code)

​ Registrant’s telephone number, including area code (713) 830-9600 ​ (Former name or former address, if changed since last report.) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Securities registered pursuant to Section 12(b) of the Act: ​

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common Stock, $0.01 par value FIX New York Stock Exchange

​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). ​ Emerging growth company ☐ ​ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​

ITEM 2.02        Results of Operations and Financial Condition ​ Attached and incorporated herein by reference as Exhibit 99.1 is a copy of a press release of Comfort Systems USA, Inc. (the “Company”) dated October 23, 2025 reporting the Company’s financial results for the third quarter of 2025. ​ The information contained in this Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for any purpose, and shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as expressly set forth by specific reference in such filing. ​ ITEM 8.01           Other Events ​ Attached and incorporated herein by reference as Exhibit 99.2 is a copy of a press release of the Company dated October 23, 2025 reporting the Company’s declaration of a quarterly dividend on the Company’s common stock to stockholders of record as of the close of business on the record date, November 13, 2025. ​ ITEM 9.01        Financial Statements and Exhibits ​ (d) The following Exhibits are included herein: ​ Exhibit 99.1 Press Release of Comfort Systems USA, Inc. dated October 23, 2025 reporting the Company’s financial results for the third quarter of 2025. ​ Exhibit 99.2 Press Release of Comfort Systems USA, Inc. dated October 23, 2025 reporting the Company’s declaration of a quarterly dividend on the Company’s common stock to stockholders of record as of the close of business on the record date, November 13, 2025. ​

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EXHIBIT INDEX

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Exhibit Number

Exhibit Title or Description

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99.1 ​ Press Release of Comfort Systems USA, Inc. dated October 23, 2025 reporting the Company’s financial results for the third quarter of 2025.

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99.2 ​ Press Release of Comfort Systems USA, Inc. dated October 23, 2025 reporting the Company’s declaration of a quarterly dividend on the Company’s common stock to stockholders of record as of the close of business on the record date, November 13, 2025.

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104 ​ Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document).

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3

SIGNATURES

​ Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

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COMFORT SYSTEMS USA, INC.

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​ By: /s/ Laura F. Howell

​ ​ Laura F. Howell, Senior Vice President and General Counsel

​ Date:      October 23, 2025 ​

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