Licensed Heating & Air Conditioning (C-20) contractors in California
The California Contractors State License Board (CSLB) lists 8,930 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of July 4, 2026.
Showing 8,341–8,400 of 8,930 contractors
- Active · clearWilliams Heating And Air INCNevada City, CA · CSLB #1031025 · as of July 4, 2026
- Active · clearJoey WilliamsApple Valley, CA · CSLB #334015 · as of July 4, 2026
- Active · clearMark WilliamsBakersfield, CA · CSLB #776831 · as of July 4, 2026
- Active · clearWillis Heating And Air LLCSacramento, CA · CSLB #1152336 · as of July 4, 2026
- Active · clearWilly Air Control INCFullerton, CA · CSLB #1118824 · as of July 4, 2026
- Active · clearChris Wilson Plumbing & HVAC Of Coachella INC DBA Chris WilsonPalm Desert, CA · CSLB #1004091 · as of July 4, 2026
- Active · clearChris Wilson Plumbing & Heating Repairs INCSeaside, CA · CSLB #772474 · as of July 4, 2026
- Active · clearAir To The Throne DBA Wilson Heating And AirCarlsbad, CA · CSLB #995975 · as of July 4, 2026
- Active · clearWilson HVAC Solutions LLCOccidental, CA · CSLB #1156327 · as of July 4, 2026
- Active · clearWilson MechanicalSan Leandro, CA · CSLB #1021303 · as of July 4, 2026
- Active · clearWinaire INCHuntington Beach, CA · CSLB #578039 · as of July 4, 2026
- Active · clearWinchester Climate ControlWinchester, CA · CSLB #1143328 · as of July 4, 2026
- Active · clearWind HVAC INCGarden Grove, CA · CSLB #1138768 · as of July 4, 2026
- Active · clearWindstorm Heating & Air INCLake Elsinore, CA · CSLB #1058864 · as of July 4, 2026
- Active · clearWine Country Heating & Air ConditioningWindsor, CA · CSLB #1115888 · as of July 4, 2026
- Active · clearWinma Heating & Air INCModesto, CA · CSLB #1144836 · as of July 4, 2026
- Active · clearWinn Air CorpCompton, CA · CSLB #1113461 · as of July 4, 2026
- Active · clearWinn HVACSeaside, CA · CSLB #1130224 · as of July 4, 2026
- Active · clearWinset MechanicalKelseyville, CA · CSLB #1084980 · as of July 4, 2026
- Active · clearJesse Winter MechanicalEscondido, CA · CSLB #884026 · as of July 4, 2026
- Active · clearWintriCovina, CA · CSLB #1103351 · as of July 4, 2026
- Active · clearWintry Heating And Air ConditioningTrona, CA · CSLB #1103815 · as of July 4, 2026
- Active · clearWittler Young CO INCLos Angeles, CA · CSLB #191455 · as of July 4, 2026
- Active · clearWizard's Air ConditioningYuma, CA · CSLB #1036956 · as of July 4, 2026
- Active · clearW L Wills INCMadera, CA · CSLB #852971 · as of July 4, 2026
- Active · clearWolf Air INCChatsworth, CA · CSLB #1154534 · as of July 4, 2026
- Active · clearWolfe Bros Heating And Air INCPlacentia, CA · CSLB #1063493 · as of July 4, 2026
- Active · clearMichael Robert Tyrone WolfeChino, CA · CSLB #1095996 · as of July 4, 2026
- Active · clearWolves HVAC MechanicalSouth San Francisco, CA · CSLB #760264 · as of July 4, 2026
- Active · clearWood Bros Heating & Air Conditioning COLancaster, CA · CSLB #960081 · as of July 4, 2026
- Active · clearWoodland Heating & Air Conditioning INCWoodland, CA · CSLB #876003 · as of July 4, 2026
- Active · clearWoolard H V A C /RNewport Beach, CA · CSLB #1021367 · as of July 4, 2026
- Active · clearSmart Air Control System INC DBA Woori CoolLos Angeles, CA · CSLB #1089852 · as of July 4, 2026
- Active · clearWoori Cool HVAC INCFullerton, CA · CSLB #1083086 · as of July 4, 2026
- Active · clearW C Word Sheet MetalModesto, CA · CSLB #877748 · as of July 4, 2026
- Active · clearWorld AppliancesSaugus, CA · CSLB #938931 · as of July 4, 2026
- Active · clearWorld Class Air INCSanta Barbara, CA · CSLB #1058570 · as of July 4, 2026
- Active · clearWorld H V A C Service INCFountain Valley, CA · CSLB #1055435 · as of July 4, 2026
- Active · clearWright Bros Welding & Sheet Metal INCHollister, CA · CSLB #393679 · as of July 4, 2026
- Active · clearWright Heating & Air ConditioningForesthill, CA · CSLB #747722 · as of July 4, 2026
- Active · clearWright Heating And Air ConditioningWoodland, CA · CSLB #831028 · as of July 4, 2026
- Active · clearWrights Heating And AirSan Diego, CA · CSLB #767590 · as of July 4, 2026
- Active · clearWR Mechanical INCLancaster, CA · CSLB #1036150 · as of July 4, 2026
- Active · clearWR Robbins CompanyOceanside, CA · CSLB #890971 · as of July 4, 2026
- Active · clearChung Chieh WuDiamond Bar, CA · CSLB #1105504 · as of July 4, 2026
- Active · clearJianzhi WuHacienda Heights, CA · CSLB #1034425 · as of July 4, 2026
- Active · clearWy&g INCSanta Clarita, CA · CSLB #1044922 · as of July 4, 2026
- Active · clearWYJ Comfort Cooling & Heating ExpertCupertino, CA · CSLB #1140364 · as of July 4, 2026
- Active · clearWyllie's Heating & Air ConditioningTulare, CA · CSLB #1041067 · as of July 4, 2026
- Active · clearXaviers Heating And AirUpland, CA · CSLB #911404 · as of July 4, 2026
- Active · clearXcel Heating And Air Conditioning INCLafayette, CA · CSLB #1107541 · as of July 4, 2026
- Active · clearXceptional Heating & AirBakersfield, CA · CSLB #1000230 · as of July 4, 2026
- Active · clearRichard Guo Rong XiaArcadia, CA · CSLB #791994 · as of July 4, 2026
- Active · clearX I Dynamics INCFresno, CA · CSLB #971170 · as of July 4, 2026
- Active · clearXionghui LuoChatsworth, CA · CSLB #1137154 · as of July 4, 2026
- Active · clearXLC Heating And CoolingTemple City, CA · CSLB #1137423 · as of July 4, 2026
- Active · clearXpress Air INCFowler, CA · CSLB #1134699 · as of July 4, 2026
- Active · clearXpress Heating & AirModesto, CA · CSLB #856368 · as of July 4, 2026
- Active · clearXpress Heating & AirUpland, CA · CSLB #1053491 · as of July 4, 2026
- Active · clearXpress Heating & Air ConditioningStrathmore, CA · CSLB #973772 · as of July 4, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of July 4, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.