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 3,121–3,180 of 8,999 contractors

Dunright Heating & Air Conditioning
Phelan, CA · CSLB #1105467 · as of June 30, 2026
Active · clear
Dunrite HVAC Enterprises INC DBA Dunrite Heating And Cooling
Simi Valley, CA · CSLB #875396 · as of June 30, 2026
Active · clear
Dupree Heating & Air LLC
Hanford, CA · CSLB #1004620 · as of June 30, 2026
Active · clear
Dupree's Air Conditioning & Heating
Hanford, CA · CSLB #1005073 · as of June 30, 2026
Active · clear
Durango Air Conditioning And Heating
Coachella, CA · CSLB #722093 · as of June 30, 2026
Active · clear
Duran HVAC INC
San Jose, CA · CSLB #1057800 · as of June 30, 2026
Active · clear
Dusek Cooling CO
La Crescenta, CA · CSLB #744391 · as of June 30, 2026
Active · clear
Dusty Ducts HVAC Services INC
Valley Village, CA · CSLB #1073816 · as of June 30, 2026
Active · clear
Michael Du Vivier
San Fernando, CA · CSLB #806326 · as of June 30, 2026
Active · clear
Dvacs INC
Manteca, CA · CSLB #1135482 · as of June 30, 2026
Active · clear
D V K Service INC DBA D V K Service HVAC & Plumbing
Norco, CA · CSLB #1012417 · as of June 30, 2026
Active · clear
DVL Heating & Air
Sparks, CA · CSLB #1144122 · as of June 30, 2026
Active · clear
D Webers Mechanical INC
Elk Grove, CA · CSLB #1038221 · as of June 30, 2026
Active · clear
D & W HVAC INC
San Francisco, CA · CSLB #773400 · as of June 30, 2026
Active · clear
D X Heating And Air Conditioning
Simi Valley, CA · CSLB #855422 · as of June 30, 2026
Active · clear
DX Mechanical Air LLC
Eastvale, CA · CSLB #1155892 · as of June 30, 2026
Active · clear
Dykier INC
Chino Hills, CA · CSLB #439376 · as of June 30, 2026
Active · clear
Dynamic Air Conditioning And Heating
Riverside, CA · CSLB #1000325 · as of June 30, 2026
Active · clear
Dynamic Air Conditioning & Heating
La Quinta, CA · CSLB #1117983 · as of June 30, 2026
Active · clear
Dynamic Air INC
Oxnard, CA · CSLB #1084236 · as of June 30, 2026
Active · clear
Dynamic Air Pressure
Jurupa Valley, CA · CSLB #965849 · as of June 30, 2026
Active · clear
Dynamic Air Solutions INC
Bakersfield, CA · CSLB #1077449 · as of June 30, 2026
Active · clear
Dynamic Air Systems
Gilroy, CA · CSLB #1032134 · as of June 30, 2026
Active · clear
Dynamic Air Systems INC
Granada Hills, CA · CSLB #1022226 · as of June 30, 2026
Active · clear
Dynamic Company
Campbell, CA · CSLB #1069910 · as of June 30, 2026
Active · clear
Dynamic Cooling And Heating
Placentia, CA · CSLB #1130219 · as of June 30, 2026
Active · clear
Dynamic Heating And Air
Bakersfield, CA · CSLB #1102661 · as of June 30, 2026
Active · clear
Dynamic HVAC Mechanical Corp
Fontana, CA · CSLB #1123390 · as of June 30, 2026
Active · clear
Dynamic Mechanical
North Highlands, CA · CSLB #960877 · as of June 30, 2026
Active · clear
Dynamic Mechanical Services INC
Novato, CA · CSLB #1064501 · as of June 30, 2026
Active · clear
Dynamics LLC
San Francisco, CA · CSLB #1109407 · as of June 30, 2026
Active · clear
Dynamite Heating And Air
La Verne, CA · CSLB #913401 · as of June 30, 2026
Active · clear
Dynasty Climate Control INC
Los Angeles, CA · CSLB #1009270 · as of June 30, 2026
Active · clear
Dynasty Heating & Air
Palmdale, CA · CSLB #1056998 · as of June 30, 2026
Active · clear
Dynasty Mechanical Air
Los Angeles, CA · CSLB #1156161 · as of June 30, 2026
Active · clear
DYZ Smart HVAC Innovations
Rowland Heights, CA · CSLB #1152277 · as of June 30, 2026
Active · clear
E2 HVAC Efficiency Experts LLC
Whittier, CA · CSLB #1092892 · as of June 30, 2026
Active · clear
E30 Air
Los Angeles, CA · CSLB #1061174 · as of June 30, 2026
Active · clear
E 320 Air
Moreno Valley, CA · CSLB #1049924 · as of June 30, 2026
Active · clear
Ead HVAC
Newark, CA · CSLB #1143885 · as of June 30, 2026
Active · clear
Eagle Air
Livermore, CA · CSLB #668002 · as of June 30, 2026
Active · clear
Eagle Air
Lancaster, CA · CSLB #1017095 · as of June 30, 2026
Active · clear
Eagle Air
Bermuda Dunes, CA · CSLB #1036904 · as of June 30, 2026
Active · clear
Eagle Air Control INC
La Habra, CA · CSLB #976761 · as of June 30, 2026
Active · clear
Eagle Air Heating & Cooling
Elk Grove, CA · CSLB #1100593 · as of June 30, 2026
Active · clear
Eagle Air INC
Escondido, CA · CSLB #958703 · as of June 30, 2026
Active · clear
Eagle Fleet Mechanical INC
Chula Vista, CA · CSLB #954631 · as of June 30, 2026
Active · clear
Eagle Heating & Air Conditioning
Napa, CA · CSLB #783917 · as of June 30, 2026
Active · clear
Eagle Heating And Air INC
Newbury Park, CA · CSLB #990282 · as of June 30, 2026
Active · clear
Eagle Mountain Plumbing & Mechanical LLC
Escondido, CA · CSLB #822408 · as of June 30, 2026
Active · clear
Eagle Refrigeration Heating & A/c INC
Brisbane, CA · CSLB #661759 · as of June 30, 2026
Active · clear
Eagle Rock Heating And Air Conditioning
Acton, CA · CSLB #1101285 · as of June 30, 2026
Active · clear
Earl's Air Conditioning
Thermal, CA · CSLB #1051262 · as of June 30, 2026
Active · clear
Earl's Refrigeration & A / C
Moreno Valley, CA · CSLB #737648 · as of June 30, 2026
Active · clear
Earth Air Systems
Oceanside, CA · CSLB #1103686 · as of June 30, 2026
Active · clear
Ease H V A C
Oakland, CA · CSLB #990471 · as of June 30, 2026
Active · clear
East Bay Heating & Air
Livermore, CA · CSLB #1015658 · as of June 30, 2026
Active · clear
East Bay Heating And Cooling INC
Concord, CA · CSLB #1055076 · as of June 30, 2026
Active · clear
East Bay Hydronics
Emeryville, CA · CSLB #965247 · as of June 30, 2026
Active · clear
East County Heating & Air Conditioning
Jamul, CA · CSLB #663268 · as of June 30, 2026
Active · clear

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.