Licensed Heating & Air Conditioning (C-20) contractors in California
The California Contractors State License Board (CSLB) lists 8,999 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 June 30, 2026.
Showing 4,021–4,080 of 8,999 contractors
- Active · clearHappy Qi Enterprises INCLaguna Beach, CA · CSLB #1134342 · as of June 30, 2026
- Active · clearHarber Heating And AirCamarillo, CA · CSLB #979805 · as of June 30, 2026
- Active · clearHarbor Air Conditioning & HeatingSan Diego, CA · CSLB #744993 · as of June 30, 2026
- Active · clearHarbor Air Conditioning LLCHarbor City, CA · CSLB #1144099 · as of June 30, 2026
- Active · clearHarbor Mechanical LLCWilmington, CA · CSLB #1057086 · as of June 30, 2026
- Active · clearHardaway H V A CEl Centro, CA · CSLB #661537 · as of June 30, 2026
- Active · clearHarden Heating And Air ConditioningLincoln, CA · CSLB #945460 · as of June 30, 2026
- Active · clearRandy Hardin MechanicalCitrus Heights, CA · CSLB #1068496 · as of June 30, 2026
- Active · clearHarlan AirTemple City, CA · CSLB #873592 · as of June 30, 2026
- Active · clearHarlan Quality Home ServicesGold River, CA · CSLB #1018175 · as of June 30, 2026
- Active · clearHarley's Heating And CoolingPlacerville, CA · CSLB #1132305 · as of June 30, 2026
- Active · clearHaro HVAC ServicesPico Rivera, CA · CSLB #1141892 · as of June 30, 2026
- Active · clearHarris AirWest Sacramento, CA · CSLB #956638 · as of June 30, 2026
- Active · clearHarris & Hart INCOgden, CA · CSLB #650915 · as of June 30, 2026
- Active · clearHarris Las Vegas LLCSt Paul, CA · CSLB #1023743 · as of June 30, 2026
- Active · clearJohn Harrison INCStockton, CA · CSLB #907555 · as of June 30, 2026
- Active · clearHarrison Mechanical ServiceSanta Clara, CA · CSLB #775532 · as of June 30, 2026
- Active · clearScott Harrison Plumbing And Heating INCGarden Grove, CA · CSLB #481190 · as of June 30, 2026
- Active · clearS & B Harris Heating & Air INCValley Springs, CA · CSLB #1064857 · as of June 30, 2026
- Active · clearHarry Clark Heating & Air Conditioning INCOakland, CA · CSLB #1056105 · as of June 30, 2026
- Active · clearM H Hart Plumbing Heating & Air Conditioning INCPasadena, CA · CSLB #798223 · as of June 30, 2026
- Active · clearHarts Pro Service LLC DBA Harts Pro HVACClovis, CA · CSLB #1126161 · as of June 30, 2026
- Active · clearJohn D HartvicksonConcord, CA · CSLB #409642 · as of June 30, 2026
- Active · clearHarvey's Heating And AirOrange, CA · CSLB #913677 · as of June 30, 2026
- Active · clearHa's Air Conditioning ServicesPanorama City, CA · CSLB #732741 · as of June 30, 2026
- Active · clearHashco AirIrvine, CA · CSLB #941125 · as of June 30, 2026
- Active · clearHasler Refrigeration INCYuma, CA · CSLB #775105 · as of June 30, 2026
- Active · clearHassinger HVACPrescott Valley, CA · CSLB #1132103 · as of June 30, 2026
- Active · clearHaven Air ConditioningOrange, CA · CSLB #748387 · as of June 30, 2026
- Active · clearHawaiian AirFullerton, CA · CSLB #299279 · as of June 30, 2026
- Active · clearHawes Heating & Air ConditioningDavis, CA · CSLB #606836 · as of June 30, 2026
- Active · clearHay-cool HVAC INCGlendale, CA · CSLB #1101079 · as of June 30, 2026
- Active · clearHayman Refrigeration & Air ConditioningWindsor, CA · CSLB #913517 · as of June 30, 2026
- Active · clearDon Hays Heating & Air ConditioningRedding, CA · CSLB #1073866 · as of June 30, 2026
- Active · clearHB A C SpecialtiesRiverside, CA · CSLB #460500 · as of June 30, 2026
- Active · clearH B Heating And CoolingBarstow, CA · CSLB #1100837 · as of June 30, 2026
- Active · clearHB MechanicalWhittier, CA · CSLB #1091795 · as of June 30, 2026
- Active · clearH & B Mechanical INCHesperia, CA · CSLB #792808 · as of June 30, 2026
- Active · clearH&B Refrigeration & Heating INCBarstow, CA · CSLB #716804 · as of June 30, 2026
- Active · clearHC Air System INCSun Valley, CA · CSLB #1005782 · as of June 30, 2026
- Active · clearH & C Air SystemsGlendale, CA · CSLB #1040395 · as of June 30, 2026
- Active · clearHD Air INCClovis, CA · CSLB #1008416 · as of June 30, 2026
- Active · clearH D Ez - Air INCHayward, CA · CSLB #974381 · as of June 30, 2026
- Active · clearHD - Heating & AirLancaster, CA · CSLB #1077431 · as of June 30, 2026
- Active · clearH & D Heating And Air Conditioning ServicesWest Sacramento, CA · CSLB #1090137 · as of June 30, 2026
- Active · clearHD Mechanical INCBuena Park, CA · CSLB #1094219 · as of June 30, 2026
- Active · clearScott Heady Ac HTG & PlmgbRiverside, CA · CSLB #813879 · as of June 30, 2026
- Active · clearHeald MechanicalSacramento, CA · CSLB #607590 · as of June 30, 2026
- Active · clearHealing Comfort Heating Air & PlumbingSonoma, CA · CSLB #1075338 · as of June 30, 2026
- Active · clearHealthy AirCeres, CA · CSLB #899548 · as of June 30, 2026
- Active · clearHealthy Duct CleaningDaly City, CA · CSLB #1007238 · as of June 30, 2026
- Active · clearHeat And Air Solutions INCApplegate, CA · CSLB #1133607 · as of June 30, 2026
- Active · clearHeat And Cool Air Zone INCBeverly Hills, CA · CSLB #904435 · as of June 30, 2026
- Active · clearHeat Busters INCPoway, CA · CSLB #1118178 · as of June 30, 2026
- Active · clearHeat & Cool Care INCChatsworth, CA · CSLB #844141 · as of June 30, 2026
- Active · clearHeat & Cool ConnectionsReseda, CA · CSLB #1057494 · as of June 30, 2026
- Active · clearHeatcool SystemsLakewood, CA · CSLB #1155106 · as of June 30, 2026
- Active · clearHeater Man Heating And AirWoodbridge, CA · CSLB #825795 · as of June 30, 2026
- Active · clearHeaters Up Ac's DownChula Vista, CA · CSLB #1142393 · as of June 30, 2026
- Active · clearHeating & Ac Weather EngineerLomita, CA · CSLB #1079747 · as of June 30, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of June 30, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.