Comfort Systems USA Inc (FIX)

Comfort Systems USA, Inc., together with its subsidiaries, provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. The company operates through two segments: Mechanical and Electrical. It offers heating, ventilation, and air conditioning systems, as well as plumbing, electrical, piping and controls, off-site construction, monitoring, and fire protection. The company is also involved in the design, engineering, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) and related systems in new buildings; and renovation, expansion, maintenance, monitoring, repair, and replacement of systems in existing buildings. In addition, it provides remote monitoring of power usage, temperature, pressure, humidity and air flow for MEP and other building systems. The company serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.

Ticker: FIX
Exchange: NYSE
Sector: Industrials
Industry: Engineering & Construction
Market cap: $35.61B
52-week range: $841.66 - $2073.99

Valuation

Share price: $1017.50 (close of Nov 6, 2026)
P/E (TTM): 21.95x
Price to book: 10.68x
Price to free cash flow: 14.58x
Enterprise value: $33.82B
Book value per share: $95.31

Price performance

Period	Change
1 day	+5.45%
5 days	-17.45%
1 month	-44.03%
3 months	-40.62%
6 months	-49.42%
Year to date	+9.02%
1 year	+6.24%
3 years	+443.48%
5 years	+927.57%
10 years	+3,439.13%
All time	+6,259.38%

Short interest

As of: Oct 15, 2026
Short % of float: 2.49%
Shares short: 757.61K
Days to cover: 1.96
Change since prior report: -10.87%
Source: FINRA consolidated short interest

Members of Congress who disclosed FIX trades

Byron Donalds · Alan Armstrong · Robert Bresnahan

Super investors holding FIX

Ray Dalio (Bridgewater Associates) · Ken Griffin (Citadel) · Philippe Laffont (Coatue Management) · Sarah Ketterer (Causeway Capital Management LLC)

Profitability and growth

Return on equity: 41.76%
Return on invested capital: 35.60%
Return on assets: 15.88%
Return on capital employed: 43.14%
Gross margin: 24.13%
Net margin: 11.23%
EBITDA margin: 15.13%
Revenue growth: 29.52%
Net income growth: 95.73%
Free cash flow growth: 39.77%

Cash flow and balance sheet

Free cash flow yield (TTM): 6.86%
Current ratio: 1.15x
Net debt to EBITDA: -0.78x

Latest reported year

Period end: Dec 31, 2025
Fiscal year: 2025
Revenue: $9.10B
Cost of revenue: $6.91B
Gross profit: $2.20B
EBITDA: $1.38B
Net income: $1.02B
Earnings per share: $28.93
Interest expense: $9.01M
Shares outstanding: 35.35M

Income statement by year

Period end	Revenue	Gross profit	Net income	EPS
2025-12-31	$9.10B	$2.20B	$1.02B	$28.93
2024-12-31	$7.03B	$1.48B	$522.43M	$14.64
2023-12-31	$5.21B	$990.51M	$323.40M	$9.03
2022-12-31	$4.14B	$741.61M	$245.95M	$6.84
2021-12-31	$3.07B	$563.21M	$143.35M	$3.95
2020-12-31	$2.86B	$546.98M	$150.14M	$4.11
2019-12-31	$2.62B	$501.94M	$114.32M	$3.10
2018-12-31	$2.18B	$446.28M	$112.90M	$3.03
2017-12-31	$1.79B	$366.28M	$55.27M	$1.48
2016-12-31	$1.63B	$344.01M	$64.90M	$1.74

Margins and returns by year

Period end	Gross margin	Net margin	Return on equity	Return on capital
2025-12-31	24.13%	11.23%	41.76%	35.60%
2024-12-31	21.01%	7.43%	30.65%	30.06%
2023-12-31	19.02%	6.21%	25.31%	23.04%
2022-12-31	17.91%	5.94%	24.60%	18.27%
2021-12-31	18.32%	4.66%	17.79%	10.71%
2020-12-31	19.15%	5.26%	21.56%	14.50%
2019-12-31	19.19%	4.37%	19.53%	14.05%
2018-12-31	20.44%	5.17%	22.67%	19.91%
2017-12-31	20.49%	3.09%	13.22%	11.20%
2016-12-31	21.05%	3.97%	17.23%	17.25%

Cash and debt by year

Period end	Cash	Debt
2025-12-31	$981.90M	$139.06M
2024-12-31	$549.94M	$62.29M
2023-12-31	$205.15M	$39.34M
2022-12-31	$57.21M	$247.25M
2021-12-31	$58.78M	$385.24M
2020-12-31	$54.90M	$235.73M
2019-12-31	$50.79M	$205.32M
2018-12-31	$45.62M	$73.64M
2017-12-31	$36.54M	$59.93M
2016-12-31	$32.07M	$1.96M

Free cash flow by year

Period end	Free cash flow	Stock-based compensation
2025-12-31	$1.03B	$21.81M
2024-12-31	$737.99M	$16.65M
2023-12-31	$544.73M	$12.94M
2022-12-31	$253.17M	$10.53M
2021-12-31	$157.82M	$10.59M
2020-12-31	$262.38M	$6.93M
2019-12-31	$110.28M	$5.88M
2018-12-31	$119.92M	$7.16M
2017-12-31	$78.62M	$6.38M
2016-12-31	$67.97M	$5.04M

Dividend history

Most recent payment: Aug 13, 2026
Paid in the last twelve months: $3.00

Payment date	Dividend per share
2026-08-13	$0.90
2026-05-15	$0.80
2026-03-06	$0.70
2025-11-13	$0.60
2025-08-14	$0.50
2025-05-16	$0.45
2025-03-10	$0.40
2024-11-14	$0.35

Investor relations

Past earnings dates

Reported	Fiscal period	EPS estimate
2026-10-22	Sep 2026	$12.71
2026-07-23	Jun 2026	$10.38
2026-04-23	Mar 2026	$7.19
2026-02-19	Dec 2025	$6.77
2025-10-23	Sep 2025	$6.20
2025-07-24	Jun 2025	$4.68
2025-04-24	Mar 2025	$3.66
2025-02-20	Dec 2024	$3.43

Filings and sources

Company website: comfortsystemsusa.com
SEC filings: 10-K, 10-Q and 8-K on EDGAR
Earnings calendar: All upcoming reports

Similar companies

EMCOR Group, Inc. (EME) · Quanta Services, Inc. (PWR) · APi Group Corp (APG) · Jacobs Solutions Inc. (J) · MasTec Inc (MTZ) · Sterling Infrastructure, Inc. (STRL) · Fluor Corp (FLR) · U-Haul Holding Co (UHAL-B)

All Industrials companies

Understanding these figures

Price-to-earnings ratio · Short interest · Discounted cash flow · Free cash flow · Earnings per share · Return on equity · Gross margin vs net margin · Reading a balance sheet · Debt and leverage · Dividend yield · Insider transactions and Form 4 · How to read a stock chart

Explore

Company directory · S&P 500 heatmap · Earnings calendar · Super investor holdings · Congress trades