Comfort Systems USA, Inc. (FIX) Stock Analysis
Industrials · Engineering & Construction · NYSE
Comfort Systems USA, Inc. (FIX) posted $9.10B in revenue for fiscal 2025 (up 29.5% year over year), at a 11.2% net margin, and has compounded revenue about 26.1%/yr over five years, per its SEC filings.
Data last refreshed August 2, 2026 from SEC filings · how we compute this
The analyst's take on Comfort Systems USA, Inc.
Comfort Systems USA, Inc. has grown revenue from $1.63B to $9.10B over the last 10 fiscal years, compounding about 26.1% a year. The most recent year was up 29.5%, so growth is actually accelerating.
Net margin sits at 11.2%, up 3.8 points year over year on a 24.1% gross margin. It carries about $145.23M of total debt.
At today's valuation the market is pricing in roughly 22.5% annual free-cash-flow growth — versus the 31.5% it actually delivered over the last five years, so the price is arguably undemanding against what it has already proven.
Synthesised from Comfort Systems USA, Inc.'s SEC filings — descriptive, not advice. Ask the analyst your own question →
Comfort Systems USA, Inc. revenue & earnings — last 10 fiscal years
| Metric | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $1.63B | $1.79B | $2.18B | $2.62B | $2.86B | $3.07B | $4.14B | $5.21B | $7.03B | $9.10B |
| Gross profit | $344.01M | $366.28M | $446.28M | $501.94M | $546.98M | $563.21M | $741.61M | $990.51M | $1.48B | $2.20B |
| Net income | $64.90M | $55.27M | $112.90M | $114.32M | $150.14M | $143.35M | $245.95M | $323.40M | $522.43M | $1.02B |
| Net margin | 4.0% | 3.1% | 5.2% | 4.4% | 5.3% | 4.7% | 5.9% | 6.2% | 7.4% | 11.2% |
Source: Comfort Systems USA, Inc. SEC filings (10-K). 17 years of history available in the interactive view.
Comfort Systems USA, Inc.: no obvious red flags in the filings
Our deterministic scan of the filed statements — receivables vs sales, earnings vs cash, dilution, leverage and margins — didn't flag anything. Ask about the risks →
What growth is priced into FIX stock?
At today's market cap of $60.88B, Comfort Systems USA, Inc. is priced for free-cash-flow growth of about 22.5% per year for 10 years (assuming a 10% discount rate and 2.5% terminal growth, base FCF $1.03B from the FY ending 2025-12-31). For comparison, free cash flow actually grew 31.5%/yr over the last five fiscal years and revenue 26.1%/yr, computed from its SEC filings. This is a reverse DCF — a translation of the price into a growth assumption you can judge, not a fair value and not advice. Change the assumptions yourself in the interactive view →
Explore 17 years of Comfort Systems USA, Inc. financials — interactive
Full income statement, balance sheet and cash flow with CAGR and trend on every row, 48 quarters, valuation ratios, plain-English health checks, and Ask — our SEC-grounded research assistant.
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Comfort Systems USA, Inc. financial history by metric
Compare Comfort Systems USA, Inc. with peers
About Comfort Systems USA, Inc.
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.
Comfort Systems USA, Inc. — frequently asked questions
What is Comfort Systems USA, Inc.'s revenue?
Comfort Systems USA, Inc. (FIX) reported revenue of $9.10B for fiscal year 2025, up 29.5% from the prior year, according to its SEC filings.
Is Comfort Systems USA, Inc. profitable?
Yes. FIX earned net income of $1.02B in fiscal 2025, a net margin of 11.2%.
What is FIX's P/E ratio?
Comfort Systems USA, Inc. trades at a price-to-earnings ratio of about 42.6 based on the latest data in our nightly-refreshed cache.
How fast is Comfort Systems USA, Inc. growing?
FIX's revenue grew at roughly 26.1% per year over the last five fiscal years (compound annual growth rate), computed from SEC-filed statements.
How much debt does Comfort Systems USA, Inc. have?
As of fiscal year 2025, FIX carried roughly $145.23M in total debt (short- plus long-term borrowings), per its filed balance sheet.
What is Comfort Systems USA, Inc.'s gross margin?
FIX's gross margin was 24.1% in fiscal 2025 — gross profit of $2.20B on revenue of $9.10B.
What is Comfort Systems USA, Inc.'s market cap?
Comfort Systems USA, Inc. (FIX) has a market capitalization of about $60.88B, based on the latest data in our nightly-refreshed cache.
When does Comfort Systems USA, Inc.'s fiscal year end?
FIX's fiscal year ends in December. Its most recent annual filing covers the fiscal year ending 2025-12-31.
What growth is priced into FIX stock?
At today's market cap of $60.88B, Comfort Systems USA, Inc. is priced for free-cash-flow growth of about 22.5% per year for 10 years (assuming a 10% discount rate and 2.5% terminal growth, base FCF $1.03B from the FY ending 2025-12-31). For comparison, free cash flow actually grew 31.5%/yr over the last five fiscal years and revenue 26.1%/yr, computed from its SEC filings.
Where does this data come from?
All figures are computed from Comfort Systems USA, Inc.'s official SEC filings (10-K and 10-Q), covering 17 years of history, refreshed nightly. stockportfolio.pro does not provide investment advice.