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

The California Contractors State License Board (CSLB) lists 8,995 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 July 1, 2026.

Showing 4,441–4,500 of 8,995 contractors

Ie Comfort INC
Riverside, CA · CSLB #1053697 · as of July 1, 2026
Active · clear
Igloo Airconditioning And Heating INC
Woodland Hills, CA · CSLB #1089105 · as of July 1, 2026
Active · clear
I Go Heating & Air Conditioning
Walnut, CA · CSLB #998354 · as of July 1, 2026
Active · clear
I Go Heating & Air Conditioning INC
Walnut, CA · CSLB #1049231 · as of July 1, 2026
Active · clear
I L Mechanical INC
Menlo Park, CA · CSLB #615750 · as of July 1, 2026
Active · clear
Imagine That Heating & Air
Victorville, CA · CSLB #1038136 · as of July 1, 2026
Active · clear
I M Air Conditioning INC
Tarzana, CA · CSLB #736994 · as of July 1, 2026
Active · clear
Impact Air Solutions INC
Carmichael, CA · CSLB #1074293 · as of July 1, 2026
Active · clear
Imperial Heating & Cooling
Carmichael, CA · CSLB #783231 · as of July 1, 2026
Active · clear
Imperial HWY Enterprises LLC
Brea, CA · CSLB #1059396 · as of July 1, 2026
Active · clear
Imperial Mechanical Service
Elverta, CA · CSLB #944580 · as of July 1, 2026
Active · clear
Imperial Tech Air Conditioning
Calexico, CA · CSLB #1117706 · as of July 1, 2026
Active · clear
Imperial Valley Air Conditioning INC
El Centro, CA · CSLB #986161 · as of July 1, 2026
Active · clear
Impulse Pro
Fremont, CA · CSLB #1082988 · as of July 1, 2026
Active · clear
I & N Air Conditioning And Heating CO
Coachella, CA · CSLB #1127937 · as of July 1, 2026
Active · clear
Incomparable Heating & Air INC
Anaheim, CA · CSLB #1108080 · as of July 1, 2026
Active · clear
In Demand Plumbing Heating & Air INC
Antioch, CA · CSLB #943549 · as of July 1, 2026
Active · clear
Independent Heating And Air
Carlsbad, CA · CSLB #964701 · as of July 1, 2026
Active · clear
Independent Heating And Air INC
Huntington Beach, CA · CSLB #1082235 · as of July 1, 2026
Active · clear
Independent Mechanical
Sacramento, CA · CSLB #887452 · as of July 1, 2026
Active · clear
Independent Plumbing Heating And Air
Orangevale, CA · CSLB #1043975 · as of July 1, 2026
Active · clear
Indoor Air Control
Sacramento, CA · CSLB #1057277 · as of July 1, 2026
Active · clear
Indoor Air Design INC
San Jose, CA · CSLB #472788 · as of July 1, 2026
Active · clear
Indoor Air Professionals INC
Lancaster, CA · CSLB #889605 · as of July 1, 2026
Active · clear
Indoor Air Technologies
Fairfield, CA · CSLB #1060955 · as of July 1, 2026
Active · clear
Indoor Climate Control INC
Cloverdale, CA · CSLB #1104169 · as of July 1, 2026
Active · clear
Indoor Comfort INC
Lynwood, CA · CSLB #1079130 · as of July 1, 2026
Active · clear
Indoor Comfort Solutions
Simi Valley, CA · CSLB #885909 · as of July 1, 2026
Active · clear
Indoor Comfort Store
San Diego, CA · CSLB #591372 · as of July 1, 2026
Active · clear
Indoor Comfort Systems
Santee, CA · CSLB #556306 · as of July 1, 2026
Active · clear
Indoor Neutralization Designated Operations HVAC
Montclair, CA · CSLB #1064451 · as of July 1, 2026
Active · clear
Indoor Quality Services
Fresno, CA · CSLB #934673 · as of July 1, 2026
Active · clear
Indoor Weather Heating Air & Refrigeration INC
Blue Jay, CA · CSLB #988435 · as of July 1, 2026
Active · clear
Industrial Electric Refrigeration
Huntington Beach, CA · CSLB #1068399 · as of July 1, 2026
Active · clear
Ernest Infante
Whittier, CA · CSLB #959629 · as of July 1, 2026
Active · clear
Infante Pedro I
Sylmar, CA · CSLB #1089218 · as of July 1, 2026
Active · clear
Infared Radiant Systems
Tipp City, CA · CSLB #1157280 · as of July 1, 2026
Active · clear
Infinite Air Heating And Cooling
Anderson, CA · CSLB #1110915 · as of July 1, 2026
Active · clear
Infinite Air Solutions
Upland, CA · CSLB #1121794 · as of July 1, 2026
Active · clear
Infinite Circulation
Bellflower, CA · CSLB #1003238 · as of July 1, 2026
Active · clear
Infinite Comfort Air LLC
Colton, CA · CSLB #1120475 · as of July 1, 2026
Active · clear
Infinite Control Systems INC
Chino, CA · CSLB #368633 · as of July 1, 2026
Active · clear
Infinite Heating & Air Conditioning
Bakersfield, CA · CSLB #1138040 · as of July 1, 2026
Active · clear
Infinite Heating & Cooling
Nipomo, CA · CSLB #1117374 · as of July 1, 2026
Active · clear
Infinity Air Conditioning And Heating INC.
Arcadia, CA · CSLB #1138958 · as of July 1, 2026
Active · clear
Infinity Air HVAC LLC
Westminster, CA · CSLB #1071751 · as of July 1, 2026
Active · clear
Infinity Air Services
Riverside, CA · CSLB #1134070 · as of July 1, 2026
Active · clear
Infinity Comfort Systems Heating And Air Conditioning
Littlerock, CA · CSLB #1084694 · as of July 1, 2026
Active · clear
Infinity Heating And Air
Cottonwood, CA · CSLB #1112040 · as of July 1, 2026
Active · clear
Infinity HVAC Services Corp
Brentwood, CA · CSLB #1123467 · as of July 1, 2026
Active · clear
Infinium Air INC
Concord, CA · CSLB #995372 · as of July 1, 2026
Active · clear
Iniguez Heating & Aire INC
Shafter, CA · CSLB #1025414 · as of July 1, 2026
Active · clear
Inland Climate Control
Riverside, CA · CSLB #1034283 · as of July 1, 2026
Active · clear
Inland Heating & Air Conditioning INC
Beaumont, CA · CSLB #1146811 · as of July 1, 2026
Active · clear
Inland Mechanical Services INC
Corona, CA · CSLB #976522 · as of July 1, 2026
Active · clear
Inland Pacific Air Conditioning INC
Corona, CA · CSLB #869499 · as of July 1, 2026
Active · clear
Inland Plubming Heating And Air
Moreno Valley, CA · CSLB #1054479 · as of July 1, 2026
Active · clear
Inland Valley Heating And Air
Yucaipa, CA · CSLB #1000169 · as of July 1, 2026
Active · clear
Inland Valley Mechanical INC
Murrieta, CA · CSLB #633040 · as of July 1, 2026
Active · clear
Inner Cool Refrigeration
Paramount, CA · CSLB #890037 · as of July 1, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 1, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.