    <SEC-DOCUMENT>0001308179-24-000482-index.html : 20240408
    <SEC-HEADER>0001308179-24-000482.hdr.sgml : 20240408
    <ACCEPTANCE-DATETIME>20240408161807
    ACCESSION NUMBER:		0001308179-24-000482
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240408
    DATE AS OF CHANGE:		20240408
    EFFECTIVENESS DATE:		20240408

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			COMFORT SYSTEMS USA INC
    		CENTRAL INDEX KEY:			0001035983
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL WORK [1731]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		IRS NUMBER:				760526487
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13011
    		FILM NUMBER:		24829803

    	BUSINESS ADDRESS:
    		STREET 1:		675 BERING DRIVE
    		STREET 2:		SUITE 400
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77057
    		BUSINESS PHONE:		7138309600

    	MAIL ADDRESS:
    		STREET 1:		675 BERING DRIVE
    		STREET 2:		SUITE 400
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77057
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>lfix2023_ars.pdf
    <DESCRIPTION>COMFORT SYSTEMS USA INC - ARS
    <TEXT>
    Document 1 - file: lfix2023_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>