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

The California Contractors State License Board (CSLB) lists 8,936 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 October 7, 2026.

Showing 1,441–1,500 of 8,936 contractors

Atlas Trillo
Memphis, CA · CSLB #742039 · as of October 7, 2026
Active · clear
A T Mechanical
Antelope, CA · CSLB #934527 · as of October 7, 2026
Active · clear
Ats Heating And Air Corp
San Diego, CA · CSLB #1004762 · as of October 7, 2026
Active · clear
A T S Heating And Air Services
Sacramento, CA · CSLB #1042530 · as of October 7, 2026
Active · clear
At Your Service Heating & Air Conditioning
Fillmore, CA · CSLB #1106163 · as of October 7, 2026
Active · clear
Atz Refrigeration And Air Conditioning INC
Glendale, CA · CSLB #1002872 · as of October 7, 2026
Active · clear
Auggie Air
Simi Valley, CA · CSLB #640544 · as of October 7, 2026
Active · clear
Aurelio Heating And Air Conditioning
Redlands, CA · CSLB #1100881 · as of October 7, 2026
Active · clear
Aurora HVAC INC
Los Angeles, CA · CSLB #1099257 · as of October 7, 2026
Active · clear
Austin Air
Clovis, CA · CSLB #716372 · as of October 7, 2026
Active · clear
Austin Sheet Metal Works INC DBA Austin Heat & Air
Rocklin, CA · CSLB #482282 · as of October 7, 2026
Active · clear
Austin's Air Conditioning And Heating INC
Vacaville, CA · CSLB #996875 · as of October 7, 2026
Active · clear
Austin's HVAC
Wildomar, CA · CSLB #1089053 · as of October 7, 2026
Active · clear
Authority Heating & Air Conditioning Services
Pleasant Grove, CA · CSLB #915924 · as of October 7, 2026
Active · clear
Authority HVAC
Tempe, CA · CSLB #984528 · as of October 7, 2026
Active · clear
Authority Plumbing Heating And Air
Corona, CA · CSLB #1117311 · as of October 7, 2026
Active · clear
Automated Control INC
Lincoln, CA · CSLB #908191 · as of October 7, 2026
Active · clear
Automated Solutions Group INC
San Jose, CA · CSLB #979330 · as of October 7, 2026
Active · clear
Autumn Air INC
Orange, CA · CSLB #1057685 · as of October 7, 2026
Active · clear
A V Action Air INC
Palmdale, CA · CSLB #883221 · as of October 7, 2026
Active · clear
A V A Heating & Cooling
Pacoima, CA · CSLB #1071549 · as of October 7, 2026
Active · clear
Avalon Air Conditioning And Heating
Riverside, CA · CSLB #1075890 · as of October 7, 2026
Active · clear
Avanesian Mechanical Services INC
Irvine, CA · CSLB #1113755 · as of October 7, 2026
Active · clear
Avant HVAC INC
Brentwood, CA · CSLB #1079499 · as of October 7, 2026
Active · clear
William G Avellar Heating And Air Conditioning
Forestville, CA · CSLB #662900 · as of October 7, 2026
Active · clear
Avery's Heating & Air
Desert Hot Springs, CA · CSLB #1121731 · as of October 7, 2026
Active · clear
Avm HVAC Contractors INC
Los Angeles, CA · CSLB #1155340 · as of October 7, 2026
Active · clear
A V R Heating & Cooling Service
Concord, CA · CSLB #972841 · as of October 7, 2026
Active · clear
A & W Air Conditioning & Heating
Bakersfield, CA · CSLB #766919 · as of October 7, 2026
Active · clear
Awc HVAC And Plumbing Services INC
Pomona, CA · CSLB #1057988 · as of October 7, 2026
Active · clear
Awesome Air
Escondido, CA · CSLB #1035974 · as of October 7, 2026
Active · clear
Awesome Heating And Air
Soulsbyville, CA · CSLB #942882 · as of October 7, 2026
Active · clear
Awesome Heating And Air Conditioning INC
Livermore, CA · CSLB #813172 · as of October 7, 2026
Active · clear
Axis Mechanical INC
San Jose, CA · CSLB #974024 · as of October 7, 2026
Active · clear
Ayersaire
Anaheim, CA · CSLB #951038 · as of October 7, 2026
Active · clear
Ayman Ibrahim HVAC Contractor
West Covina, CA · CSLB #1152164 · as of October 7, 2026
Active · clear
Ayon Heating And Air Conditioning INC
Visalia, CA · CSLB #1082553 · as of October 7, 2026
Active · clear
Ayres Heating & Cooling
Bakersfield, CA · CSLB #1012074 · as of October 7, 2026
Active · clear
Ayrsmith INC
Huntington Beach, CA · CSLB #1133850 · as of October 7, 2026
Active · clear
Azer Heating & Cooling
Union City, CA · CSLB #930848 · as of October 7, 2026
Active · clear
Aziz Ahmad Azizi
Concord, CA · CSLB #1161947 · as of October 7, 2026
Active · clear
Azteca Heating And Air
Yuba City, CA · CSLB #912697 · as of October 7, 2026
Active · clear
Aztec Heating And Air INC
Hollister, CA · CSLB #1075509 · as of October 7, 2026
Active · clear
B 2 Air Systems
Pleasant Grove, CA · CSLB #1005847 · as of October 7, 2026
Active · clear
Babylon HVAC
San Jose, CA · CSLB #1096537 · as of October 7, 2026
Active · clear
Dino Baca DBA Baca H V A C Services
Coulterville, CA · CSLB #814708 · as of October 7, 2026
Active · clear
Backcharge HVAC LLC
Gonzales, CA · CSLB #1099391 · as of October 7, 2026
Active · clear
Backflow Apparatus & Valve
Long Beach, CA · CSLB #382548 · as of October 7, 2026
Active · clear
Bacs Ac Services
Rialto, CA · CSLB #1122557 · as of October 7, 2026
Active · clear
Luis H Badilla
Shafter, CA · CSLB #655361 · as of October 7, 2026
Active · clear
Baehr Heating And Air INC
Grass Valley, CA · CSLB #1063364 · as of October 7, 2026
Active · clear
Baeza's Heating And Cooling Rep
Brawley, CA · CSLB #755312 · as of October 7, 2026
Active · clear
Carlos Baez
Atwater, CA · CSLB #1122824 · as of October 7, 2026
Active · clear
Baez Heating & Cooling INC
Redwood City, CA · CSLB #1021193 · as of October 7, 2026
Active · clear
Baier Heating And Air Conditioning INC
Rohnert Park, CA · CSLB #1001504 · as of October 7, 2026
Active · clear
Don Bailey's Heat And Air
Hemet, CA · CSLB #967845 · as of October 7, 2026
Active · clear
B Air Conditioning And Services INC
Northridge, CA · CSLB #987404 · as of October 7, 2026
Active · clear
Baiz Heating And Air
Lemoore, CA · CSLB #1096107 · as of October 7, 2026
Active · clear
Baja Air Tech LLC
Victorville, CA · CSLB #1148970 · as of October 7, 2026
Active · clear
Baja HVAC Services
Perris, CA · CSLB #1115893 · as of October 7, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.