Comfort Systems USA achieved outstanding third-quarter 2025 results with revenue of $2.45 billion, up 35% year-over-year, and net income of $291.6 million, or $8.25 per diluted share. The company delivered record operating cash flow exceeding $550 million, supported by robust project execution and favorable developments across late-stage projects. Backlog reached an all-time high of $9.38 billion, reflecting continued strong demand for mechanical and electrical contracting services.
Revenue increased to $2.45 billion, up from $1.81 billion in Q3 2024.
Net income doubled to $291.6 million, or $8.25 per diluted share.
Operating cash flow reached a record $553.3 million for the quarter.
Backlog expanded to $9.38 billion, marking the second consecutive same-store increase of over $1 billion.
Comfort Systems USA expects continued strong performance supported by record backlog, growing demand for mechanical and electrical services, and new acquisitions contributing to future growth.