v3.24.1.1.u2
Cover
May 17, 2024
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 17, 2024
Entity File Number 1-13011
Entity Registrant Name Comfort Systems USA, Inc.
Entity Central Index Key 0001035983
Entity Tax Identification Number 76-0526487
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 675 Bering Drive
Entity Address, Address Line Two Suite 400
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77057
City Area Code 713
Local Phone Number 830-9600
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol FIX
Security Exchange Name NYSE
Entity Emerging Growth Company false