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 8, 2026.

Showing 3,121–3,180 of 8,936 contractors

Dusek Cooling CO
La Crescenta, CA · CSLB #744391 · as of October 8, 2026
Active · clear
Dusty Ducts HVAC Services INC
Valley Village, CA · CSLB #1073816 · as of October 8, 2026
Active · clear
Dvacs INC
Manteca, CA · CSLB #1135482 · as of October 8, 2026
Active · clear
DVL Heating & Air
Sparks, CA · CSLB #1144122 · as of October 8, 2026
Active · clear
D Webers Mechanical INC
Elk Grove, CA · CSLB #1038221 · as of October 8, 2026
Active · clear
D & W HVAC INC
San Francisco, CA · CSLB #773400 · as of October 8, 2026
Active · clear
D X Heating And Air Conditioning
Simi Valley, CA · CSLB #855422 · as of October 8, 2026
Active · clear
DX Mechanical Air LLC
Eastvale, CA · CSLB #1155892 · as of October 8, 2026
Active · clear
Dykier INC
Chino Hills, CA · CSLB #439376 · as of October 8, 2026
Active · clear
Dynamic Air Conditioning And Heating
Riverside, CA · CSLB #1000325 · as of October 8, 2026
Active · clear
Dynamic Air Conditioning & Heating
La Quinta, CA · CSLB #1117983 · as of October 8, 2026
Active · clear
Dynamic Air INC
Oxnard, CA · CSLB #1084236 · as of October 8, 2026
Active · clear
Dynamic Air Pressure
Jurupa Valley, CA · CSLB #965849 · as of October 8, 2026
Active · clear
Dynamic Air Solutions INC
Bakersfield, CA · CSLB #1077449 · as of October 8, 2026
Active · clear
Dynamic Air Systems
Gilroy, CA · CSLB #1032134 · as of October 8, 2026
Active · clear
Dynamic Air Systems INC
Granada Hills, CA · CSLB #1022226 · as of October 8, 2026
Active · open complaint
Dynamic Company
Campbell, CA · CSLB #1069910 · as of October 8, 2026
Active · clear
Dynamic Cooling And Heating
Placentia, CA · CSLB #1130219 · as of October 8, 2026
Active · clear
Dynamic Heating And Air
Bakersfield, CA · CSLB #1102661 · as of October 8, 2026
Active · clear
Dynamic HVAC Mechanical Corp
Fontana, CA · CSLB #1123390 · as of October 8, 2026
Active · clear
Dynamic Mechanical
North Highlands, CA · CSLB #960877 · as of October 8, 2026
Active · clear
Dynamic Mechanical Services INC
Novato, CA · CSLB #1064501 · as of October 8, 2026
Active · clear
Dynamics LLC
San Francisco, CA · CSLB #1109407 · as of October 8, 2026
Active · clear
Dynamite Heating And Air
La Verne, CA · CSLB #913401 · as of October 8, 2026
Active · clear
Dynasty Climate Control INC
Los Angeles, CA · CSLB #1009270 · as of October 8, 2026
Active · clear
Dynasty Heating & Air
Palmdale, CA · CSLB #1056998 · as of October 8, 2026
Active · clear
Dynasty Mechanical Air
Los Angeles, CA · CSLB #1156161 · as of October 8, 2026
Active · clear
DYZ Smart HVAC Innovations
Rowland Heights, CA · CSLB #1152277 · as of October 8, 2026
Active · clear
E30 Air
Los Angeles, CA · CSLB #1061174 · as of October 8, 2026
Active · clear
E 320 Air
Moreno Valley, CA · CSLB #1049924 · as of October 8, 2026
Active · clear
Ead HVAC
Newark, CA · CSLB #1143885 · as of October 8, 2026
Active · clear
Eagle Air
Lancaster, CA · CSLB #1017095 · as of October 8, 2026
Active · clear
Eagle Air
Livermore, CA · CSLB #668002 · as of October 8, 2026
Active · clear
Eagle Air
Bermuda Dunes, CA · CSLB #1036904 · as of October 8, 2026
Active · clear
Eagle Air Control INC
La Habra, CA · CSLB #976761 · as of October 8, 2026
Active · clear
Eagle Air Heating & Cooling
Elk Grove, CA · CSLB #1100593 · as of October 8, 2026
Active · clear
Eagle Air INC
Escondido, CA · CSLB #958703 · as of October 8, 2026
Active · clear
Eagle Fleet Mechanical INC
Chula Vista, CA · CSLB #954631 · as of October 8, 2026
Active · clear
Eagle Heating & Air Conditioning
Napa, CA · CSLB #783917 · as of October 8, 2026
Active · clear
Eagle Heating And Air INC
Newbury Park, CA · CSLB #990282 · as of October 8, 2026
Active · clear
Eagle Mountain Plumbing & Heating LLC
Big Bear City, CA · CSLB #1090926 · as of October 8, 2026
Active · clear
Eagle Mountain Plumbing & Mechanical LLC
Escondido, CA · CSLB #822408 · as of October 8, 2026
Active · clear
Eagle Refrigeration Heating & A/c INC
Brisbane, CA · CSLB #661759 · as of October 8, 2026
Active · clear
Eagle Rock Heating And Air Conditioning
Acton, CA · CSLB #1101285 · as of October 8, 2026
Active · clear
Earl's Air Conditioning
Thermal, CA · CSLB #1051262 · as of October 8, 2026
Active · clear
Earth Air Systems
Oceanside, CA · CSLB #1103686 · as of October 8, 2026
Active · clear
Ease H V A C
Oakland, CA · CSLB #990471 · as of October 8, 2026
Active · clear
East Bay Heating & Air
Livermore, CA · CSLB #1015658 · as of October 8, 2026
Active · clear
East Bay Heating And Cooling INC
Concord, CA · CSLB #1055076 · as of October 8, 2026
Active · clear
East Bay Hydronics
Emeryville, CA · CSLB #965247 · as of October 8, 2026
Active · clear
East County Air
Moorpark, CA · CSLB #1162136 · as of October 8, 2026
Active · clear
East County Heating & Air Conditioning
Jamul, CA · CSLB #663268 · as of October 8, 2026
Active · clear
Eastside Service Hvac/r INC
Escondido, CA · CSLB #365352 · as of October 8, 2026
Active · clear
East & West Appliances Heating & A/c Services
Stevenson Ranch, CA · CSLB #920660 · as of October 8, 2026
Active · clear
Easy Air Conditioning
Eastvale, CA · CSLB #865940 · as of October 8, 2026
Active · clear
Easy Air LLC
Irvine, CA · CSLB #1090124 · as of October 8, 2026
Active · clear
Easy Air Systems
Vista, CA · CSLB #840166 · as of October 8, 2026
Active · clear
Easy Breezy Air INC
San Dimas, CA · CSLB #1116043 · as of October 8, 2026
Active · clear
Easy Heat And Air
Elk Grove, CA · CSLB #1079837 · as of October 8, 2026
Active · clear
Easy Maintenance Solutions INC
Oak Hills, CA · CSLB #966299 · as of October 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.