Filing Flows › Comfort Systems USA (FIX) › Q3 2026 › vs Q3 2025
Comfort Systems USA (FIX) Q3 2026 vs Q3 2025 (year over year)
Comfort Systems USA's revenue rose $1.3B (+54%) from $2.5B in Q3 2025 to $3.8B in Q3 2026. The biggest changes: New construction +$1.3B (+80%); Service projects +$40.2M (+27%); Service calls, maintenance, and monitoring +$3.2M (+2%). Gross margin 24.8% against 24.8% (+0.0 pts).
Comfort Systems USA, Q3 2026: revenue $3.8B (+54% year over year), operating margin 16.6%, net earnings $489M, operating cash flow $1.0B. The chart draws each line against Q3 2025, the increases inside each band.
Margins
| Q3 2026 | Q3 2025 | Change | |
|---|---|---|---|
| Gross margin | 24.8% | 24.8% | +0.0 pts |
| Operating margin | 16.6% | 15.5% | +1.1 pts |
| Net margin | 13.0% | 11.9% | +1.1 pts |
| Free cash flow margin | 21.4% | 21.2% | +0.2 pts |
Every line
| Line | Q3 2026 | Q3 2025 | Change | % |
|---|---|---|---|---|
| New construction | $2.9B | $1.6B | $1.3B | +80% |
| Existing building construction | $528M | $527M | $1.1M | +0.2% |
| Service projects | $191M | $150M | $40.2M | +27% |
| Service calls, maintenance, and monitoring | $179M | $176M | $3.2M | +2% |
| Revenue | $3.8B | $2.5B | $1.3B | +54% |
| Gross profit | $934M | $608M | $327M | +54% |
| Cost of revenue | $2.8B | $1.8B | $989M | +54% |
| Operating profit | $625M | $379M | $246M | +65% |
| Operating expenses | $310M | $229M | $80.9M | +35% |
| Pre-tax earnings | $635M | $370M | $265M | +71% |
| Net earnings | $489M | $292M | $197M | +68% |
| Income tax | $146M | $78.8M | $67.2M | +85% |
| Depreciation & amortization | $47.5M | $35.6M | $12.0M | +34% |
| Share-based compensation | $2.6M | $3.6M | −$917K | -26% |
| Working capital & other | $471M | $223M | $248M | +112% |
| Operating cash flow | $1.0B | $553M | $457M | +83% |
| Free cash flow (company-reported) | $806M | $519M | $287M | +55% |
| Purchases of property and equipment, net | $205M | $34.2M | $170M | +497% |
Questions
How much did Comfort Systems USA's revenue grow year over year in Q3 2026?
Comfort Systems USA's revenue rose $1.3B (+54%) from $2.5B in Q3 2025 to $3.8B in Q3 2026.
What drove Comfort Systems USA's revenue change in Q3 2026?
New construction +$1.3B (+80%); Service projects +$40.2M (+27%); Service calls, maintenance, and monitoring +$3.2M (+2%).