    <SEC-DOCUMENT>0001104659-22-043631-index.html : 20220407
    <SEC-HEADER>0001104659-22-043631.hdr.sgml : 20220407
    <ACCEPTANCE-DATETIME>20220407161622
    ACCESSION NUMBER:		0001104659-22-043631
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		64
    CONFORMED PERIOD OF REPORT:	20220517
    FILED AS OF DATE:		20220407
    DATE AS OF CHANGE:		20220407

    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:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13011
    		FILM NUMBER:		22814058

    	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>DEF 14A
    <SEQUENCE>1
    <FILENAME>tm223358-1_def14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: tm223358-1_def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>tm223358d1-cov_ofc4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: tm223358d1-cov_ofc4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tm223358d1-cov_ifc4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: tm223358d1-cov_ifc4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>lg_comfortsystemusa-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: lg_comfortsystemusa-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>tm2037373d2-ph_frankbri4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: tm2037373d2-ph_frankbri4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>sg_franklinmeyers-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: sg_franklinmeyers-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>sg_brianelane-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: sg_brianelane-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>tm2037373d2-icon_date4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: tm2037373d2-icon_date4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>tm2037373d2-icon_addres4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: tm2037373d2-icon_addres4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>tm2037373d2-icon_pen4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: tm2037373d2-icon_pen4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>ph_howell-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: ph_howell-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>sg_laurahowell-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: sg_laurahowell-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>tm2037373d2-icon_tick4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: tm2037373d2-icon_tick4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>tm2037373d2-icon_phone4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: tm2037373d2-icon_phone4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>tm2037373d2-icon_inter4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: tm2037373d2-icon_inter4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>tm2037373d2-icon_mail4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: tm2037373d2-icon_mail4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>tm2037373d2-icon_mobdiv4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: tm2037373d2-icon_mobdiv4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>ph_anderson-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: ph_anderson-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>tm2037373d2-icon_ticfor4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: tm2037373d2-icon_ticfor4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>tm2037373d2-icon_commembw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: tm2037373d2-icon_commembw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>ph_bulls-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: ph_bulls-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>ph_krusi-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: ph_krusi-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>tm2037373d2-icon_comcha4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: tm2037373d2-icon_comcha4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>ph_lane-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: ph_lane-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>ph_mercado-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: ph_mercado-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>ph_myers-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: ph_myers-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>ph_sandbrook-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: ph_sandbrook-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>ph_skidmore-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: ph_skidmore-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>ph_tang-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: ph_tang-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>ph_cindylwallislage-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: ph_cindylwallislage-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>tm223358d1-pc_boardsna4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: tm223358d1-pc_boardsna4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>tm223358d1-tbl_boardqual4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: tm223358d1-tbl_boardqual4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>tm2037373d2-icon_indus4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: tm2037373d2-icon_indus4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>tm2037373d2-icon_safety4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: tm2037373d2-icon_safety4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>tm2037373d2-icon_humcap4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: tm2037373d2-icon_humcap4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>tm2037373d2-icon_enviro4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: tm2037373d2-icon_enviro4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>tm2037373d2-icon_contin4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: tm2037373d2-icon_contin4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>tm2037373d2-icon_ourcom4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: tm2037373d2-icon_ourcom4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>tm2037373d2-icon_rights4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 39 - file: tm2037373d2-icon_rights4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>tm223358d1-tbl_outreac4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 40 - file: tm223358d1-tbl_outreac4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>tm223358d1-bc_historical4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 41 - file: tm223358d1-bc_historical4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>tm223358d1-pc_ceo4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 42 - file: tm223358d1-pc_ceo4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>tm223358d1-pc_neos4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 43 - file: tm223358d1-pc_neos4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>tm2037373d2-icon_arrow4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 44 - file: tm2037373d2-icon_arrow4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>tm2037373d1-ph_proposa14c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 45 - file: tm2037373d1-ph_proposa14c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>tm2037373d2-icon_auditbw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 46 - file: tm2037373d2-icon_auditbw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>tm2037373d1-icon_inter4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 47 - file: tm2037373d1-icon_inter4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>tm2037373d1-icon_mail4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 48 - file: tm2037373d1-icon_mail4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>tm2037373d2-icon_writin4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 49 - file: tm2037373d2-icon_writin4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>50
    <FILENAME>tm2037373d1-ph_proposa24c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 50 - file: tm2037373d1-ph_proposa24c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>51
    <FILENAME>tm2037373d1-ph_proposa34c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 51 - file: tm2037373d1-ph_proposa34c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>52
    <FILENAME>ph_george-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 52 - file: ph_george-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>53
    <FILENAME>ph_trentmckenna-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 53 - file: ph_trentmckenna-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>54
    <FILENAME>ph_shaeff-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 54 - file: ph_shaeff-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>55
    <FILENAME>tm2037373d2-tblhead_fixbw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 55 - file: tm2037373d2-tblhead_fixbw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>56
    <FILENAME>tm2037373d2-tblhead_vari4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 56 - file: tm2037373d2-tblhead_vari4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>57
    <FILENAME>tm223358d1-pc_ltiplan4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 57 - file: tm223358d1-pc_ltiplan4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>58
    <FILENAME>tm2037373d1-tbl_basesall4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 58 - file: tm2037373d1-tbl_basesall4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>59
    <FILENAME>tm2037373d2-icon_arrowrig4c.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 59 - file: tm2037373d2-icon_arrowrig4c.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>60
    <FILENAME>tm223358d1-cov_ibc4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 60 - file: tm223358d1-cov_ibc4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>61
    <FILENAME>tm223358d1-cov_obc4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 61 - file: tm223358d1-cov_obc4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>62
    <FILENAME>tm223358d1-px_page1bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 62 - file: tm223358d1-px_page1bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>63
    <FILENAME>tm223358d1-px_page2bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 63 - file: tm223358d1-px_page2bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>64
    <FILENAME>tm223358d1-px_page3bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 64 - file: tm223358d1-px_page3bw.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>