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 1,381–1,440 of 8,999 contractors

Art Of Air INC
Phelan, CA · CSLB #1143248 · as of June 28, 2026
Active · clear
Art Of Comfort
Pleasanton, CA · CSLB #977736 · as of June 28, 2026
Active · clear
Art's A/c & Heating
Santa Ana, CA · CSLB #962342 · as of June 28, 2026
Active · clear
Art's Air Conditioning
Fresno, CA · CSLB #710417 · as of June 28, 2026
Active · clear
Art's Heating & Air Conditioning
Riverside, CA · CSLB #1089936 · as of June 28, 2026
Active · clear
Art's H V A C
Lake Forest, CA · CSLB #886353 · as of June 28, 2026
Active · clear
Art's HVAC Services
Alhambra, CA · CSLB #1094144 · as of June 28, 2026
Active · clear
Art's Refrigeration Service INC
Fresno, CA · CSLB #650678 · as of June 28, 2026
Active · clear
Arturo's Heating And Air Conditioning
Van Nuys, CA · CSLB #896453 · as of June 28, 2026
Active · clear
Artyclimate INC
Antelope, CA · CSLB #1134561 · as of June 28, 2026
Active · clear
Arves Mechanical
Brentwood, CA · CSLB #1068910 · as of June 28, 2026
Active · clear
Arvin Aire
Lamont, CA · CSLB #911368 · as of June 28, 2026
Active · clear
Arvin Mehrabian
Van Nuys, CA · CSLB #1142847 · as of June 28, 2026
Active · clear
A R V S INC
Glendale, CA · CSLB #954533 · as of June 28, 2026
Active · clear
Aryco H V A C
Monrovia, CA · CSLB #673436 · as of June 28, 2026
Active · clear
Arzate Air Conditioning And Heating
Clovis, CA · CSLB #1094195 · as of June 28, 2026
Active · clear
As Air And Repair
Fresno, CA · CSLB #1086389 · as of June 28, 2026
Active · clear
Asamoah Mechanical LLC
Elverta, CA · CSLB #1103966 · as of June 28, 2026
Active · clear
Asap A/c
West Hills, CA · CSLB #1141368 · as of June 28, 2026
Active · clear
A S A P Heating & Air Conditioning
Modesto, CA · CSLB #764858 · as of June 28, 2026
Active · clear
A S A P Heating & Air INC
California City, CA · CSLB #1018621 · as of June 28, 2026
Active · clear
Asap Heating And Air LLC
San Leandro, CA · CSLB #725589 · as of June 28, 2026
Active · clear
A S A P Heating & Cooling
Concord, CA · CSLB #896664 · as of June 28, 2026
Active · clear
A S A P Plumbing Heating And Air Conditioning
Corona, CA · CSLB #702328 · as of June 28, 2026
Active · clear
Asap Redding Heating & Cooling
Redding, CA · CSLB #1150746 · as of June 28, 2026
Active · clear
Asa Quality Air
Tujunga, CA · CSLB #1114852 · as of June 28, 2026
Active · clear
Ascend Heating And Air LLC
Gardnerville, CA · CSLB #1135114 · as of June 28, 2026
Active · clear
Ascend Plumbing INC
San Diego, CA · CSLB #1066861 · as of June 28, 2026
Active · clear
Ascent Air Conditioning & Heating INC
Yucaipa, CA · CSLB #1036374 · as of June 28, 2026
Active · clear
Ascent Conserve INC
Danville, CA · CSLB #1147057 · as of June 28, 2026
Active · clear
Ascentia Engineering Services INC
Crestline, CA · CSLB #821160 · as of June 28, 2026
Active · clear
Ascent INC
Danville, CA · CSLB #1069809 · as of June 28, 2026
Active · clear
Asc Mechanical INC
Rancho Cucamonga, CA · CSLB #1144103 · as of June 28, 2026
Active · clear
Asco Service INC
Gilroy, CA · CSLB #778556 · as of June 28, 2026
Active · clear
A's Heating & Air Services INC
Chino, CA · CSLB #983487 · as of June 28, 2026
Active · clear
A & S Heating And Air
Anderson, CA · CSLB #1142754 · as of June 28, 2026
Active · clear
A & S Heating Cooling & Appliance Repair
San Jose, CA · CSLB #991074 · as of June 28, 2026
Active · clear
Ash Purifacation Heating & Air Conditioning
Glendale, CA · CSLB #1095340 · as of June 28, 2026
Active · clear
A S Mechanical
Hidden Valley Lake, CA · CSLB #1044700 · as of June 28, 2026
Active · clear
Asm Mechanical Services
Antioch, CA · CSLB #1051854 · as of June 28, 2026
Active · clear
Aspect Air Conditioning & Heating
Murrieta, CA · CSLB #1071942 · as of June 28, 2026
Active · clear
Asp Engineering INC DBA Asp Heating & Air Conditioning
Agoura Hills, CA · CSLB #1083961 · as of June 28, 2026
Active · clear
Associated Heating & Air INC
Anaheim, CA · CSLB #608210 · as of June 28, 2026
Active · clear
Associated Heating Of San Francisco INC
San Francisco, CA · CSLB #1001526 · as of June 28, 2026
Active · clear
Associated Heating Of S F
San Francisco, CA · CSLB #486084 · as of June 28, 2026
Active · clear
Associated Services Heating Solar Air INC
Salinas, CA · CSLB #792784 · as of June 28, 2026
Active · clear
Associate Mechanical Contractors INC
Escondido, CA · CSLB #741000 · as of June 28, 2026
Active · clear
Assured Heating & Air Conditioning Services LLC
Palm Desert, CA · CSLB #1069937 · as of June 28, 2026
Active · clear
A Star INC
Irvine, CA · CSLB #1124667 · as of June 28, 2026
Active · clear
Astro Air Design INC
Lincoln, CA · CSLB #783688 · as of June 28, 2026
Active · clear
Astro Heating INC
San Jose, CA · CSLB #1132436 · as of June 28, 2026
Active · clear
A S T Sheet Metal And Gutters
Seaside, CA · CSLB #982714 · as of June 28, 2026
Active · clear
A Subcool Air Conditioning INC
Van Nuys, CA · CSLB #598218 · as of June 28, 2026
Active · clear
A T A Heating & Air Conditioning INC
Woodland Hills, CA · CSLB #876392 · as of June 28, 2026
Active · clear
Atara Mechanical INC
Eastvale, CA · CSLB #1126598 · as of June 28, 2026
Active · clear
Atc Mechanical LLC
Concord, CA · CSLB #1043760 · as of June 28, 2026
Active · clear
Atc Service INC
El Dorado Hills, CA · CSLB #524622 · as of June 28, 2026
Active · clear
A-team Heating And Air Conditioning
Lancaster, CA · CSLB #1099919 · as of June 28, 2026
Active · clear
A&t Heating Cooling
Westminster, CA · CSLB #1155246 · as of June 28, 2026
Active · clear
Atlantic Air Conditioning INC
Diamond Bar, CA · CSLB #613226 · 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.