Filing Flows › Comfort Systems USA (FIX) › Q3 2026
Comfort Systems USA (FIX) Q3 2026 earnings results (third quarter 2026)
10-Q filed Oct 22, 2026
Comfort Systems USA (FIX) reported revenue of $3.8B for the third quarter 2026 (Q3 2026), +54% from a year earlier and +15% from the quarter before. Operating margin was 16.6%, net earnings $489M (13.0% of revenue).
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 follows the revenue to costs, profit and cash.
| Q3 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $3.8B | +15% | +54% |
| Gross profit | $934M | +11% | +54% |
| Operating profit | $625M | +12% | +65% |
| Net earnings | $489M | +11% | +68% |
| Operating cash flow | $1.0B | -11% | +83% |
| Free cash flow | $806M | — | +55% |
What changed
Revenue was $3.8B in Q3 2026, up 54% year over year and up 15% from the previous quarter. New construction was the largest line at 76% of revenue. New construction added $1.3B year over year (up 80%), 97% of the total change.
Gross margin was 24.8%, unchanged from Q3 2025. Operating profit was $0.62B, a 16.6% margin (up 1.1 points year over year). Of the extra revenue versus Q3 2025, 19% reached operating profit, above the 15% margin then. Operating expenses grew 35% against revenue growth of 54%. Net earnings were $0.49B, up 68% year over year. The effective tax rate was 23.0%.
Operating cash flow was $1.0B (up 83% year over year), 207% of net earnings. Non-cash charges added back $0.05B of depreciation and amortization and $2.6M of share-based compensation. Working capital and other items added $0.47B. After purchases of property and equipment, net ($0.20B), free cash flow as the company reports it was $0.81B.
Questions
What was Comfort Systems USA's revenue in the third quarter 2026?
Comfort Systems USA (FIX) reported revenue of $3.8B for the third quarter 2026 (Q3 2026), +54% from a year earlier and +15% from the quarter before.
Was Comfort Systems USA profitable in the third quarter 2026?
Operating profit was $625M (16.6% of revenue) and net earnings $489M.