<SEC-DOCUMENT>0001558370-18-003333-index.html : 20180426
<SEC-HEADER>0001558370-18-003333.hdr.sgml : 20180426
<ACCEPTANCE-DATETIME>20180426161312
ACCESSION NUMBER:		0001558370-18-003333
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20180426
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180426
DATE AS OF CHANGE:		20180426

FILER:

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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13011
		FILM NUMBER:		18778680

	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>8-K
<SEQUENCE>1
<FILENAME>f8-k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: f8-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex-99d1.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: ex-99d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex-99d2.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 3 - file: ex-99d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ex-99d1g001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: ex-99d1g001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ex-99d2g001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: ex-99d2g001.jpg

</DOCUMENT>
</SEC-DOCUMENT>