Comfort Systems USA (FIX): financials, SEC filings and peers
Comfort Systems USA (FIX) is a construction & engineering company in the Industrials sector of the S&P 500, headquartered in Houston, Texas.
It was founded in 1997 and joined the S&P 500 on December 22, 2025.
Its fiscal year ends in December, and its shares trade on the NYSE.
In its SEC filings it is classified as “Electrical Work”.
Comfort Systems USA at a glance
- Revenue (12 months)
- $5.3B
- Revenue growth
- -36.6%
- Operating margin
- 18.8%
- Net income (12 months)
- $1.6B
- Free cash flow (12 months)
- $2.4B
- Cash
- $2.2B
- Debt
- $50M
- Diluted EPS (12 months)
- $46.31
Twelve months to September 30, 2026, from the 10-Q filed October 22, 2026.
Latest twelve months
Over the twelve months to September 30, 2026, Comfort Systems USA reported revenue of $5.3 billion, down 36.6% from $8.3 billion a year earlier.
Its operating margin was 18.8%, up 5.4 percentage points from a year earlier: for every $100 of sales, about $19 was left as operating profit.
Net income was $1.6 billion (30.9% of revenue), 94.8% higher than a year earlier.
Operating cash flow was $3.0 billion and capital spending $566 million, leaving free cash flow of $2.4 billion (46.3% of revenue).
At the end of the period it held $2.2 billion in cash and $50 million in debt, a net cash position of $2.1 billion.
Five-year trend
- Revenue went from $2.9 billion in fiscal 2020 to $1.8 billion in fiscal 2025, a decline of about 8.5% a year.
- Operating margin widened from 6.7% to 11.4% over the same years.
- Free cash flow was positive in each of the last 6 fiscal years.
| Fiscal year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $3.1B | $4.1B | $5.2B | $7.0B | $1.8B |
| Revenue growth | 7.6% | 34.7% | 25.8% | 35.0% | -73.9% |
| Operating margin | 6.1% | 6.1% | 8.0% | 10.7% | 11.4% |
| Net income | $143M | $246M | $323M | $522M | $1.0B |
| Free cash flow | $158M | $253M | $545M | $738M | $1.0B |
| Diluted EPS | $3.93 | $6.82 | $9.01 | $14.60 | $28.88 |
Fiscal years as reported in Comfort Systems USA’s 10-K filings. Free cash flow is operating cash flow minus capital spending.
Recent SEC filings
- 8-K filed November 5, 2026 — Other event
- 8-K filed October 28, 2026 — Regulation FD disclosure
- 10-Q filed October 22, 2026 — quarterly report
- 8-K filed October 22, 2026 — Earnings results; Other event
- 8-K filed October 22, 2026 — Executive or director change; Regulation FD disclosure
- 8-K filed August 3, 2026 — Regulation FD disclosure
- 10-Q filed July 23, 2026 — quarterly report
- 8-K filed July 23, 2026 — Earnings results; Other event
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Questions about Comfort Systems USA
Is Comfort Systems USA's revenue growing?
No. Revenue for the twelve months to September 30, 2026 was $5.3 billion, down 36.6% from a year earlier, according to its SEC filings.
Is Comfort Systems USA profitable?
Yes. It earned $1.6 billion in net income over the twelve months to September 30, 2026, a net margin of 30.9%.
Does Comfort Systems USA have more cash or more debt?
At September 30, 2026 it had $2.2 billion in cash and $50 million in debt, so more cash than debt.
When did Comfort Systems USA last file financial results?
Its latest quarterly report (10-Q) was filed with the SEC on October 22, 2026.
Which companies are similar to Comfort Systems USA?
In the S&P 500, Comfort Systems USA is grouped in Construction & Engineering within the Industrials sector. Emcor (EME), Jacobs Solutions (J), Quanta Services (PWR) are in the same group.
Understand the numbers
Source: Comfort Systems USA’s filings with the U.S. Securities and Exchange Commission (EDGAR), retrieved November 11, 2026. Figures are as reported by the company and may be restated. This page is for information only and is not financial advice.