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as of 03-03-2026 3:36pm EST

$1,390.06
$48.18
-3.35%
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Comfort Systems USA Inc provides comprehensive mechanical contracting services, including heating, ventilation, & air conditioning, or HVAC; plumbing; piping & controls; construction; and other electrical components. Projects are mainly for commercial, industrial, & institutional buildings, & tend to be geared toward HVAC. Revenue is roughly split between installation services for newly constructed facilities & maintenance services for existing buildings. The company installs & repairs products and systems throughout the United States. It operates in two segments, Mechanical services & Electrical services, the majority is from the Mechanical services segment.

Founded: 1917 Country:
United States
United States
Employees: N/A City: HOUSTON
Market Cap: 34.9B IPO Year: 1997
Target Price: $1378.67 AVG Volume (30 days): 419.1K
Analyst Decision: Strong Buy Number of Analysts: 4
Dividend Yield:
0.20%
Dividend Payout Frequency: quarterly
EPS: 28.88 EPS Growth: 97.81
52 Week Low/High: $276.44 - $1500.00 Next Earning Date: 05-22-2026
Revenue: $9,101,641,000 Revenue Growth: 29.52%
Revenue Growth (this year): 12.9% Revenue Growth (next year): 10.53%
P/E Ratio: 48.08 Index:
Free Cash Flow: 1.0B FCF Growth: +39.77%

AI-Powered FIX Daily Prediction

Machine learning model trained on 25+ technical indicators

Updated 2 days ago

AI Recommendation

hold
Model Accuracy: 74.68%
74.68%
Confidence

Disclaimer: This prediction is generated by an AI model and should not be considered as financial advice. Always conduct your own research and consult with financial professionals before making investment decisions.

Stock Insider Trading Activity of Comfort Systems USA Inc. (FIX)

Lane Brian E.

PRESIDENT/CHIEF EXECUTIVE OFF.

Sell
FIX Feb 25, 2026

Avg Cost/Share

$1,453.12

Shares

9,365

Total Value

$13,608,438.83

Owned After

171,523

SEC Form 4

Sell
FIX Feb 25, 2026

Avg Cost/Share

$1,472.56

Shares

8,636

Total Value

$12,717,032.48

Owned After

73,995

SEC Form 4

FIX Feb 24, 2026

Avg Cost/Share

$1,425.00

Shares

1,000

Total Value

$1,425,000.00

Owned After

12,627

SEC Form 4

Sell
FIX Feb 24, 2026

Avg Cost/Share

$1,443.32

Shares

2,500

Total Value

$3,608,294.25

Owned After

9,166

SEC Form 4

GEORGE WILLIAM III

CHIEF FINANCIAL OFFICER

Sell
FIX Feb 23, 2026

Avg Cost/Share

$1,434.97

Shares

9,000

Total Value

$12,914,748.00

Owned After

37,824

SEC Form 4

Sell
FIX Feb 23, 2026

Avg Cost/Share

$1,405.00

Shares

500

Total Value

$702,500.00

Owned After

3,500

SEC Form 4

Howell Laura Finley

SVP & GENERAL COUNSEL

Sell
FIX Dec 4, 2025

Avg Cost/Share

$996.16

Shares

1,000

Total Value

$996,163.40

Owned After

7,938

SEC Form 4

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K BUY

Feb 19, 2026 · 100% conf.

AI Prediction BUY

1D

+10.20%

$1520.81

5D

+14.74%

$1583.37

20D

+16.78%

$1611.54

Price: $1380.00 Prob +5D: 100% AUC: 1.000
0001104659-26-017529

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) ​ ​

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

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

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

​ ​

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. ​

2

EXHIBIT INDEX

​ ​

Exhibit Number ​ ​ ​ Exhibit Title or Description

​ ​ ​

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.

​ ​ ​

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.

​ ​ ​

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

​ ​ ​

​ ​ ​

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. ​ ​

​ ​

COMFORT SYSTEMS USA, INC.

​ ​ ​

​ ​ ​

​ By: /s/ Rachel R. Eslicker

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

​ Date:      February 19, 2026 ​

4

2025
Q3

Q3 2025 Earnings

8-K

Oct 23, 2025

0001104659-25-101818

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) ​ ​

Delaware

1-13011

76-0526487

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

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

​ ​

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. ​

2

EXHIBIT INDEX

​ ​

Exhibit Number

Exhibit Title or Description

​ ​ ​

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.

​ ​ ​

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.

​ ​ ​

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

​ ​ ​

​ ​ ​

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. ​ ​

​ ​

COMFORT SYSTEMS USA, INC.

​ ​ ​

​ ​ ​

​ By: /s/ Laura F. Howell

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

​ Date:      October 23, 2025 ​

4

2025
Q2

Q2 2025 Earnings

8-K

Jul 24, 2025

0001558370-25-009535

0001035983false00010359832025-07-242025-07-24 ​ ​

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 incorporation) ​ File Number) ​ Identification No.)

​ ​

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 July 24, 2025 reporting the Company’s financial results for the second 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 July 24, 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, August 14, 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 July 24, 2025 reporting the Company’s financial results for the second quarter of 2025. ​ Exhibit 99.2 Press Release of Comfort Systems USA, Inc. dated July 24, 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, August 14, 2025. ​

2

EXHIBIT INDEX

​ ​

Exhibit Number

Exhibit Title or Description

​ ​ ​

99.1 ​ Press Release of Comfort Systems USA, Inc. dated July 24, 2025 reporting the Company’s financial results for the second quarter of 2025.

​ ​ ​

99.2 ​ Press Release of Comfort Systems USA, Inc. dated July 24, 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, August 14, 2025.

​ ​ ​

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

​ ​ ​

​ ​ ​

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. ​ ​

​ ​

COMFORT SYSTEMS USA, INC.

​ ​ ​

​ ​ ​

​ By: /s/ Laura F. Howell

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

​ Date:      July 24, 2025 ​

4

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