Comfort Systems USA number of employees

Comfort Systems USA reported 22,700 employees at December 31, 2025 in its latest annual report, up 4,400 (24.0%) on the year before. That compares with 13,200 at December 31, 2021. Revenue per employee was $80,673.

Headcount by year

Fiscal year end	Employees	Change	Revenue per employee	Source
December 31, 2025	22,700	+4,400 (24.0%)	$80,673	10-K, filed February 19, 2026
December 31, 2024	18,300	+2,500 (15.8%)	$384,015	10-K, filed February 20, 2025
December 31, 2023	15,800	+1,700 (12.1%)	$329,542	10-K, filed February 22, 2024
December 31, 2022	14,100	+900 (6.8%)	$293,643	10-K, filed February 22, 2023
December 31, 2021	13,200	—	$232,851	10-K, filed February 23, 2022

What the annual reports say

Human Capital Resources Employees —As of December 31, 2025, we had approximately 22,700 employees as compared to approximately 18,300 employees as of December 31, 2024. 2025 annual report
Human Capital Resources Employees —As of December 31, 2024, we had approximately 18,300 employees as compared to approximately 15,800 employees as of December 31, 2023. 2024 annual report
Human Capital Resources Employees —As of December 31, 2023, we had approximately 15,800 employees as compared to approximately 14,100 employees as of December 31, 2022. 2023 annual report
Human Capital Resources Employees —As of December 31, 2022, we had approximately 14,100 employees as compared to approximately 13,200 employees as of December 31, 2021. 2022 annual report
Human Capital Resources Employees —As of December 31, 2021, we had approximately 13,200 employees as compared to approximately 11,100 employees as of December 31, 2020. 2021 annual report

Headcount as the company states it in Item 1 of its annual report (some count full-time equivalents or exclude part-time and temporary staff), at the date it gives. Years where the report states no clear total are left out rather than estimated. Changes can reflect acquisitions and disposals as well as hiring and job cuts.

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Figures from Comfort Systems USA's SEC filings (10-K and 10-Q), retrieved October 23, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Comfort Systems USA.