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 28, 2026.

Showing 1,441–1,500 of 8,999 contractors

Atlantic H V A C INC
Elk Grove, CA · CSLB #844417 · as of June 28, 2026
Active · clear
Atlantis Heating & Cooling
Albion, CA · CSLB #745283 · as of June 28, 2026
Active · clear
Atlantis Heating LLC
Modesto, CA · CSLB #748050 · as of June 28, 2026
Active · clear
Atlantis H V A C Service
Pittsburg, CA · CSLB #992458 · as of June 28, 2026
Active · clear
Samuel R Berrett DBA Atlas Air
Santa Ynez, CA · CSLB #1041417 · as of June 28, 2026
Active · clear
Atlas Comfort Air
Garden Grove, CA · CSLB #989499 · as of June 28, 2026
Active · clear
Your Warm Friend INC DBA Atlas Heating & Air-conditioning CO
Oakland, CA · CSLB #489501 · as of June 28, 2026
Active · clear
Atlas Heating & Ventilating CO
South San Francisco, CA · CSLB #856293 · as of June 28, 2026
Active · clear
Atlas HVAC INC
San Diego, CA · CSLB #955327 · as of June 28, 2026
Active · clear
Atlas HVAC Solutions
Arvin, CA · CSLB #1154839 · as of June 28, 2026
Active · clear
Atlas Mechanical INC
San Diego, CA · CSLB #622960 · as of June 28, 2026
Active · clear
Atlas Plumbing
Bakersfield, CA · CSLB #949964 · as of June 28, 2026
Active · clear
Atlas Trillo
Memphis, CA · CSLB #742039 · as of June 28, 2026
Active · clear
A T Mechanical
Antelope, CA · CSLB #934527 · as of June 28, 2026
Active · clear
Ats Heating And Air Corp
San Diego, CA · CSLB #1004762 · as of June 28, 2026
Active · clear
A T S Heating And Air Services
Sacramento, CA · CSLB #1042530 · as of June 28, 2026
Active · clear
At Your Service Heating & Air Conditioning
Fillmore, CA · CSLB #1106163 · as of June 28, 2026
Active · clear
Atz Refrigeration And Air Conditioning INC
Glendale, CA · CSLB #1002872 · as of June 28, 2026
Active · clear
Auggie Air
Simi Valley, CA · CSLB #640544 · as of June 28, 2026
Active · clear
Aurelio Heating And Air Conditioning
Redlands, CA · CSLB #1100881 · as of June 28, 2026
Active · clear
Aurora HVAC INC
Los Angeles, CA · CSLB #1099257 · as of June 28, 2026
Active · clear
Austin Air
Clovis, CA · CSLB #716372 · as of June 28, 2026
Active · clear
Austin Sheet Metal Works INC DBA Austin Heat & Air
Rocklin, CA · CSLB #482282 · as of June 28, 2026
Active · clear
Austin's Air Conditioning And Heating INC
Vacaville, CA · CSLB #996875 · as of June 28, 2026
Active · clear
Austin's HVAC
Wildomar, CA · CSLB #1089053 · as of June 28, 2026
Active · clear
Authority Heating & Air Conditioning Services
Pleasant Grove, CA · CSLB #915924 · as of June 28, 2026
Active · clear
Authority HVAC
Tempe, CA · CSLB #984528 · as of June 28, 2026
Active · clear
Authority Plumbing Heating And Air
Corona, CA · CSLB #1117311 · as of June 28, 2026
Active · clear
Automated Control INC
Lincoln, CA · CSLB #908191 · as of June 28, 2026
Active · clear
Automated Solutions Group INC
San Jose, CA · CSLB #979330 · as of June 28, 2026
Active · clear
Autumn Air INC
Orange, CA · CSLB #1057685 · as of June 28, 2026
Active · clear
A V Action Air INC
Palmdale, CA · CSLB #883221 · as of June 28, 2026
Active · clear
A V A Heating & Cooling
Pacoima, CA · CSLB #1071549 · as of June 28, 2026
Active · clear
Avalon Air Conditioning And Heating
Riverside, CA · CSLB #1075890 · as of June 28, 2026
Active · clear
Avanesian Mechanical Services INC
Irvine, CA · CSLB #1113755 · as of June 28, 2026
Active · clear
Avant HVAC INC
Brentwood, CA · CSLB #1079499 · as of June 28, 2026
Active · clear
William G Avellar Heating And Air Conditioning
Forestville, CA · CSLB #662900 · as of June 28, 2026
Active · clear
Avery's Heating & Air
Desert Hot Springs, CA · CSLB #1121731 · as of June 28, 2026
Active · clear
Avm HVAC Contractors INC
Los Angeles, CA · CSLB #1155340 · as of June 28, 2026
Active · clear
A V R Heating & Cooling Service
Concord, CA · CSLB #972841 · as of June 28, 2026
Active · clear
A & W Air Conditioning & Heating
Bakersfield, CA · CSLB #766919 · as of June 28, 2026
Active · clear
Awc HVAC And Plumbing Services INC
Pomona, CA · CSLB #1057988 · as of June 28, 2026
Active · clear
Awesome Air
Escondido, CA · CSLB #1035974 · as of June 28, 2026
Active · clear
Awesome Heating And Air
Soulsbyville, CA · CSLB #942882 · as of June 28, 2026
Active · clear
Awesome Heating And Air Conditioning INC
Livermore, CA · CSLB #813172 · as of June 28, 2026
Active · clear
Axis Mechanical INC
San Jose, CA · CSLB #974024 · as of June 28, 2026
Active · clear
Ayersaire
Anaheim, CA · CSLB #951038 · as of June 28, 2026
Active · clear
Ayman Ibrahim HVAC Contractor
West Covina, CA · CSLB #1152164 · as of June 28, 2026
Active · clear
Ayon Heating And Air Conditioning INC
Visalia, CA · CSLB #1082553 · as of June 28, 2026
Active · clear
Ayres Heating & Cooling
Bakersfield, CA · CSLB #1012074 · as of June 28, 2026
Active · clear
Ayrsmith INC
Huntington Beach, CA · CSLB #1133850 · as of June 28, 2026
Active · clear
Azer Heating & Cooling
Union City, CA · CSLB #930848 · as of June 28, 2026
Active · clear
Azteca Heating And Air
Yuba City, CA · CSLB #912697 · as of June 28, 2026
Active · clear
Aztec Heating And Air INC
Hollister, CA · CSLB #1075509 · as of June 28, 2026
Active · clear
B 2 Air Systems
Pleasant Grove, CA · CSLB #1005847 · as of June 28, 2026
Active · clear
Babylon HVAC
San Jose, CA · CSLB #1096537 · as of June 28, 2026
Active · clear
Dino Baca DBA Baca H V A C Services
Coulterville, CA · CSLB #814708 · as of June 28, 2026
Active · clear
Backcharge HVAC LLC
Gonzales, CA · CSLB #1099391 · as of June 28, 2026
Active · clear
Backflow Apparatus & Valve
Long Beach, CA · CSLB #382548 · as of June 28, 2026
Active · clear
Bacs Ac Services
Rialto, CA · CSLB #1122557 · as of June 28, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 28, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.