Comfort Systems USA, Inc.

FIX Industrials Engineering & Construction

Comfort Systems USA, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $9.1 billion, up 29.5% from fiscal 2024.

Revenue
+53.7%
EPS
+68.6%
Free cash flow
+55.2%
Total debt
−63.6%

Quarter to September 2026, against a year earlier

966.33 124.98 −11.45%
Market cap
$33.8B
P/E
20.8×
Fwd P/E
24.3×
Dividend yield
0.31%
F-score
7/9
Altman Z
7.74
Beneish M
−2.35
Dividend safety
96/100

Comfort Systems USA, Inc. (FIX) revenue by segment, product and region

Where the money comes from and where it goes

Fiscal 2024: revenue by segment, and margins
Mechanical segment 5,528 78.66%
Electrical segment 1,500 21.34%
Gross margin 21.01%
Operating margin 10.66%
Pre-tax margin 9.49%

Revenue by product or service $m

Line FY2024 FY2023 FY2022 FY2021 FY2018 FY2017 FY2016 FY2015
Mechanical segment 5,528 3,946 3,178 2,543 — — — —
Electrical segment 1,500 1,261 962 531 — — — —
Heating Ventilation And Air Conditioning And Plumbing — — — — 1,976 — — —
Product and Service, Other — — — — 111 — — —
Building Automation Control Systems — — — — 95 94 98 79
Heating Ventilation And Air Conditioning — — — — — 1,615 1,226 1,217
Other Services — — — — — 78 65 63
Plumbing — — — — — — 245 221
Revenue 7,027 5,207 4,140 3,074 2,183 1,788 1,634 1,581

Revenue by segment $m

Line FY2025 FY2024 FY2023 FY2022 FY2021 FY2020 FY2018 FY2017
Mechanical segment 1,402 5,528 3,946 3,178 2,543 2,431 2,176 1,788
Electrical segment 429 1,500 1,261 962 531 426 — —
Electrical Services — — — — — — 7 —
Also reported: a second breakdown of the same revenue
New construction — 3,985 2,853 2,012 1,422 1,334 — —
Existing building construction — 1,945 1,337 1,211 963 911 — —
Service calls, maintenance, and monitoring — 629 570 536 410 371 — —
Service projects — 469 446 382 279 241 — —
Revenue 1,831 7,027 5,207 4,140 3,074 2,857 2,183 1,788

Operating income by segment $m, and margin

Operating figures as reported in each quarter’s results release or filing

Figure Quarter Latest A year before Change
Backlog Q3 FY2026 $17.8B $9.4B +89.87%
Same-store backlog Q3 FY2026 $17.4B — —

As each company reports them in its 10-K and 10-Q filings, in US dollars. Where a later filing recast a year's segments, the year is shown as recast; a period whose breakdown does not add up to the company's revenue is left out.