Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,994 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 27, 2026.

Showing 781–840 of 8,994 contractors

Air Source Systems
Burbank, CA · CSLB #961846 · as of June 27, 2026
Active · clear
Air Specialist INC
Galt, CA · CSLB #1049336 · as of June 27, 2026
Active · clear
Airstars Corp
Hayward, CA · CSLB #1118050 · as of June 27, 2026
Active · clear
Jonathan T Menkin DBA Airstream Air Conditioning And Heating
Laguna Beach, CA · CSLB #532961 · as of June 27, 2026
Active · clear
Air Stream Heating & Cooling INC
El Cajon, CA · CSLB #775625 · as of June 27, 2026
Active · clear
Air Stream HVAC Service
Belmont, CA · CSLB #710338 · as of June 27, 2026
Active · clear
Airsun Heating And Cooling
Moreno Valley, CA · CSLB #1142130 · as of June 27, 2026
Active · clear
Air Supplier Service
Milpitas, CA · CSLB #938608 · as of June 27, 2026
Active · clear
Air Supply
Upland, CA · CSLB #1082967 · as of June 27, 2026
Active · clear
Air Supply Heating And Air Conditioning
Lancaster, CA · CSLB #1095021 · as of June 27, 2026
Active · clear
Air Support Heating & Air Conditioning
San Diego, CA · CSLB #919823 · as of June 27, 2026
Active · clear
Air Support HVAC INC
Glendale, CA · CSLB #1132948 · as of June 27, 2026
Active · clear
Air Supreme Heating And Air Conditioning
Sun Valley, CA · CSLB #898866 · as of June 27, 2026
Active · clear
Air Synergy INC
Pittsburg, CA · CSLB #1054064 · as of June 27, 2026
Active · clear
Air Systems
Ceres, CA · CSLB #769339 · as of June 27, 2026
Active · clear
Air Systems Control Company INC
Burbank, CA · CSLB #927260 · as of June 27, 2026
Active · clear
Air Systems Innovations INC
Santa Rosa, CA · CSLB #1139991 · as of June 27, 2026
Active · clear
Air Systems Mechanical INC
La Mesa, CA · CSLB #837523 · as of June 27, 2026
Active · clear
Air System Solutions INC
Ventura, CA · CSLB #937903 · as of June 27, 2026
Active · clear
Air Tactics
Merced, CA · CSLB #1069850 · as of June 27, 2026
Active · clear
Air Team
North Highlands, CA · CSLB #1106751 · as of June 27, 2026
Active · clear
Air Tech 24 Heating And Air Conditioning INC
Redondo Beach, CA · CSLB #1048416 · as of June 27, 2026
Active · clear
Air-tech Air Conditioning & Heating INC
Pasadena, CA · CSLB #541161 · as of June 27, 2026
Active · clear
Airtech Brothers
Jurupa Valley, CA · CSLB #931565 · as of June 27, 2026
Active · clear
Airtec Heating And Cooling
Riverside, CA · CSLB #1123778 · as of June 27, 2026
Active · clear
Air Tech Heating & Air Conditioning
Vacaville, CA · CSLB #742544 · as of June 27, 2026
Active · clear
Air Tech Heating And Air Conditioning INC
Sunland, CA · CSLB #897430 · as of June 27, 2026
Active · clear
Air Tech HVAC
Los Angeles, CA · CSLB #1092815 · as of June 27, 2026
Active · clear
Air Tech Mechanical
San Diego, CA · CSLB #1115232 · as of June 27, 2026
Active · clear
Air Technical Services INC
Los Alamitos, CA · CSLB #470723 · as of June 27, 2026
Active · clear
Air Tech Repairs INC
Panorama City, CA · CSLB #1079232 · as of June 27, 2026
Active · clear
Airtech Service
Fresno, CA · CSLB #580280 · as of June 27, 2026
Active · clear
Air Techs Heating & Cooling INC
Hemet, CA · CSLB #917939 · as of June 27, 2026
Active · clear
Air Techs Mechanical INC
Patterson, CA · CSLB #1086412 · as of June 27, 2026
Active · clear
Airtega INC
Irwindale, CA · CSLB #1071028 · as of June 27, 2026
Active · clear
Airtegrity INC
Coachella, CA · CSLB #1019912 · as of June 27, 2026
Active · clear
Airtek H V A C
Simi Valley, CA · CSLB #1006052 · as of June 27, 2026
Active · clear
Airtek Mechanical INC
Palmdale, CA · CSLB #973420 · as of June 27, 2026
Active · clear
Airtek Pros Air Conditioning & Heating INC
Los Angeles, CA · CSLB #1109877 · as of June 27, 2026
Active · clear
Airteks.com INC
Livermore, CA · CSLB #930172 · as of June 27, 2026
Active · clear
Airteks Mechanical Services
Stockton, CA · CSLB #747968 · as of June 27, 2026
Active · clear
Air Temperature Control
Walnut, CA · CSLB #449261 · as of June 27, 2026
Active · clear
Air Temperature Control HVAC INC
Vista, CA · CSLB #1154982 · as of June 27, 2026
Active · clear
Air Temperature INC
El Monte, CA · CSLB #676565 · as of June 27, 2026
Active · clear
Air Temperatures Controlled International
Rancho Cucamonga, CA · CSLB #824159 · as of June 27, 2026
Active · clear
Air Temperature Solution
Rancho Santa Margarita, CA · CSLB #1080480 · as of June 27, 2026
Active · clear
Air Temperature Solutions INC
Simi Valley, CA · CSLB #988057 · as of June 27, 2026
Active · clear
Airtemp HVAC
Sacramento, CA · CSLB #762577 · as of June 27, 2026
Active · clear
Air Temp Mechanical INC
Galt, CA · CSLB #981517 · as of June 27, 2026
Active · clear
Air Temp Solutions
North Highlands, CA · CSLB #1049654 · as of June 27, 2026
Active · clear
Air Test & Balance INC
Santa Barbara, CA · CSLB #545311 · as of June 27, 2026
Active · clear
Air There
Rancho Cucamonga, CA · CSLB #942851 · as of June 27, 2026
Active · clear
Airtify Heating And Air Conditioning
San Jose, CA · CSLB #1055349 · as of June 27, 2026
Active · clear
Airtight Air INC
Murrieta, CA · CSLB #999180 · as of June 27, 2026
Active · clear
Air Tight Heat Rite LLC
Compton, CA · CSLB #1068641 · as of June 27, 2026
Active · clear
Airtight SD
Woodland, CA · CSLB #1150475 · as of June 27, 2026
Active · clear
Air Time HVAC
Los Angeles, CA · CSLB #1112294 · as of June 27, 2026
Active · clear
Air Time Mechanical INC
Concord, CA · CSLB #736604 · as of June 27, 2026
Active · clear
Airtime Plumbing Heating And Air
Oceanside, CA · CSLB #1082832 · as of June 27, 2026
Active · clear
Airtong Heating & Cooling
Ontario, CA · CSLB #991016 · as of June 27, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.