Comfort Systems Reports 2025 Revenue of $9.1 Billion with 30% Growth and Doubling of Net Income
Comfort Systems achieved $9.10 billion in revenue for 2025, a 30% increase from 2024, with net income doubling to $1.02 billion. The company's gross margin surpassed 25% for the first time, and free cash flow exceeded $1 billion. The firm is transitioning from a subcontractor to a key player in the construction of data centers, driven by significant capital expenditures from major tech companies totaling $660-$690 billion by 2026. The backlog grew from $5.99 billion at the end of 2024 to $11.94 billion by the end of 2025.

Comfort Systems reported $9.10 billion in revenue for 2025, a 30% increase from the previous year, with a net income of $1.02 billion. The gross margin exceeded 25%, and free cash flow surpassed $1 billion.
The company is poised to benefit from substantial capital investments by Amazon, Microsoft, Alphabet, Meta, and Oracle, which are estimated at $660-$690 billion for 2026, primarily focused on data centers. The backlog grew significantly, increasing from $5.99 billion at the end of 2024 to $11.94 billion by the end of 2025.
Comfort Systems is adapting to labor shortages by prefabricating systems in factories, enhancing its competitive edge and improving margins to 24.1%. For 2026, revenue growth is anticipated between 15% and 19%, with ongoing expansion in modular capacity.




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