Comfort Systems USA posted 56.5 percent year-over-year revenue growth for the first quarter of 2026. The increase came from strength in both its electrical and mechanical segments. A record backlog and demand tied to AI infrastructure support further growth expectations.
The engineering and construction firm saw robust performance across its operations. Demand remained strong in data center projects linked to artificial intelligence expansion in North America. Management highlighted execution and operational efficiency as priorities for sustaining profitability gains going forward.