Filing Flows › Comfort Systems USA (FIX) › How it makes money
How Comfort Systems USA (FIX) makes money
Comfort Systems USA (FIX) made $3.8B of revenue in the third quarter 2026 (Q3 2026), +54% from a year earlier. New construction brought in $2.9B (76%); Existing building construction brought in $528M (14%); Service projects brought in $191M (5%). Of every dollar of revenue, 25¢ was left as gross profit, 17¢ was left as operating profit, 13¢ was left as net earnings.
Drawing the Sankey…
Revenue by segment, Q3 2026
| Segment | Revenue | Share | Q/Q | Y/Y |
|---|---|---|---|---|
| New construction | $2.9B | 76.2% | +17% | +80% |
| Existing building construction | $528M | 14.0% | +9% | +0.2% |
| Service projects | $191M | 5.1% | +32% | +27% |
| Service calls, maintenance, and monitoring | $179M | 4.8% | -2% | +2% |
Where each dollar of revenue goes
| Line | Q3 2026 | % of revenue |
|---|---|---|
| Revenue | $3.8B | 100.0% |
| Cost of revenue | $2.8B | 75.2% |
| Gross profit | $934M | 24.8% |
| Operating expenses | $310M | 8.2% |
| Operating profit | $625M | 16.6% |
| Income tax | $146M | 3.9% |
| Net earnings | $489M | 13.0% |
| Operating cash flow | $1.0B | 26.8% |
| Free cash flow | $806M | 21.4% |
Revenue, quarter by quarter
| Quarter | Revenue | Y/Y |
|---|---|---|
| Q3 2026 | $3.8B | +54% |
| Q2 2026 | $3.3B | +50% |
| Q1 2026 | $2.9B | +56% |
| Q4 2025 | $2.6B | +42% |
| Q3 2025 | $2.5B | +35% |
| Q2 2025 | $2.2B | +20% |
| Q1 2025 | $1.8B | +19% |
From Comfort Systems USA's 10-Q filed Oct 22, 2026 (on EDGAR).
Questions
How does Comfort Systems USA make money?
Comfort Systems USA (FIX) made $3.8B of revenue in the third quarter 2026 (Q3 2026), +54% from a year earlier. New construction brought in $2.9B (76%); Existing building construction brought in $528M (14%); Service projects brought in $191M (5%). Of every dollar of revenue, 25¢ was left as gross profit, 17¢ was left as operating profit, 13¢ was left as net earnings.
What is Comfort Systems USA's biggest business?
New construction: $2.9B in the third quarter 2026, 76% of revenue, +80% from a year earlier.
What is Comfort Systems USA's profit margin?
Net earnings were $489M, 13.0% of revenue, in the third quarter 2026; the operating margin was 16.6%.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.