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

The California Contractors State License Board (CSLB) lists 8,930 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 4, 2026.

Showing 8,221–8,280 of 8,930 contractors

Walnut Creek Heating And Air Conditioning
Concord, CA · CSLB #972682 · as of July 4, 2026
Active · clear
Walt Air Heating & Cooling
Los Angeles, CA · CSLB #1136872 · as of July 4, 2026
Active · clear
Mark T Walters
Corona, CA · CSLB #865930 · as of July 4, 2026
Active · clear
Waltons Plumbing & Heating INC
Seaside, CA · CSLB #1031402 · as of July 4, 2026
Active · clear
Wang Heating & Air Conditioning
San Jose, CA · CSLB #909983 · as of July 4, 2026
Active · clear
Wardour Heating & Air Conditioning INC
Torrance, CA · CSLB #734077 · as of July 4, 2026
Active · clear
Ward's Heating & Air Conditioning
San Dimas, CA · CSLB #254919 · as of July 4, 2026
Active · clear
Ware's Quality Air INC
Madera, CA · CSLB #1074158 · as of July 4, 2026
Active · clear
Warner Heating & Air Conditioning
Grass Valley, CA · CSLB #825739 · as of July 4, 2026
Active · clear
Warner HVAC LLC
Corona, CA · CSLB #1113431 · as of July 4, 2026
Active · clear
Warrens Heating & Air Conditioning INC
Stockton, CA · CSLB #691278 · as of July 4, 2026
Active · clear
Warrior HVAC Systems
Riverside, CA · CSLB #1100884 · as of July 4, 2026
Active · clear
Water Heater Pro Of Bakersfield
Bakersfield, CA · CSLB #718654 · as of July 4, 2026
Active · clear
Water Heater Sos
Lake Elsinore, CA · CSLB #1153887 · as of July 4, 2026
Active · clear
The Water Heater Specialist
Oroville, CA · CSLB #1097365 · as of July 4, 2026
Active · clear
Waters Environmental Services & Technologies Corp
Palos Verdes Estates, CA · CSLB #819953 · as of July 4, 2026
Active · clear
Watkins Heating And Air Conditioning
Yuba City, CA · CSLB #881480 · as of July 4, 2026
Active · clear
Watson Heating & Air Conditioning
Modesto, CA · CSLB #485517 · as of July 4, 2026
Active · clear
Watson's Heating And Air
Marysville, CA · CSLB #1127044 · as of July 4, 2026
Active · clear
Watts Airconditioning And Heating
Palm Desert, CA · CSLB #851716 · as of July 4, 2026
Active · clear
Wave 9 Air INC
Santa Fe Springs, CA · CSLB #1078159 · as of July 4, 2026
Active · clear
Wave Mechanical INC
Long Beach, CA · CSLB #1136819 · as of July 4, 2026
Active · clear
Way Cool Heating And Air INC
Corona, CA · CSLB #1104362 · as of July 4, 2026
Active · clear
Montie Wayne Sheet Metal & Heating INC
Goleta, CA · CSLB #660236 · as of July 4, 2026
Active · clear
Wayne Waters Plumbing INC
Sonora, CA · CSLB #463958 · as of July 4, 2026
Active · clear
W B Mechanical
Saugus, CA · CSLB #758667 · as of July 4, 2026
Active · clear
W D Mechanical Corp
Lake Elsinore, CA · CSLB #1108617 · as of July 4, 2026
Active · clear
Weather Challenger INC
Glendale, CA · CSLB #934934 · as of July 4, 2026
Active · clear
Weather Comfort
Palmdale, CA · CSLB #1077397 · as of July 4, 2026
Active · clear
Weatherite Corporation
Walnut, CA · CSLB #451778 · as of July 4, 2026
Active · clear
Weather Machines INC
El Cajon, CA · CSLB #620758 · as of July 4, 2026
Active · clear
Weatherproof HVAC INC
Canoga Park, CA · CSLB #1137634 · as of July 4, 2026
Active · clear
Greg Watkins DBA Watkins Weather Systems
San Rafael, CA · CSLB #820018 · as of July 4, 2026
Active · clear
Weathertech Heating & Cooling
Visalia, CA · CSLB #871843 · as of July 4, 2026
Active · clear
Webb Air Heating & Air Conditioning
Kuna, CA · CSLB #932398 · as of July 4, 2026
Active · clear
Webb Heating & Cooling
Bakersfield, CA · CSLB #784605 · as of July 4, 2026
Active · clear
Webb's Plumbing Heating And A/c
Santa Monica, CA · CSLB #427756 · as of July 4, 2026
Active · clear
W E D O A/c & Heat
Chino, CA · CSLB #706940 · as of July 4, 2026
Active · clear
Trading Capital Corporation DBA We Do HVAC
Playa Vista, CA · CSLB #1070364 · as of July 4, 2026
Active · clear
We Fix Air Conditioning & Heating
Coachella, CA · CSLB #1026486 · as of July 4, 2026
Active · clear
Weise Mechanical LLC
San Jose, CA · CSLB #1072273 · as of July 4, 2026
Active · clear
Welkin Heating & Air
Temecula, CA · CSLB #1108248 · as of July 4, 2026
Active · clear
Well Fix H V A C Service
Anaheim, CA · CSLB #945289 · as of July 4, 2026
Active · clear
Wells Plumbing Heating & Air INC
Temecula, CA · CSLB #950590 · as of July 4, 2026
Active · clear
R L Wells Air Conditioning & Heating
Eastvale, CA · CSLB #896913 · as of July 4, 2026
Active · clear
Roy Wells
Ceres, CA · CSLB #877995 · as of July 4, 2026
Active · clear
Wesco Air Conditioning INC
Arcadia, CA · CSLB #1084032 · as of July 4, 2026
Active · clear
Westbay Heating & Air INC
Santa Clara, CA · CSLB #942838 · as of July 4, 2026
Active · clear
West Bay Heating And Air Conditioning
Redwood City, CA · CSLB #378639 · as of July 4, 2026
Active · clear
West Bay Mechanical Systems INC
El Cajon, CA · CSLB #1130879 · as of July 4, 2026
Active · clear
Westbridge Group INC
Irvine, CA · CSLB #1105370 · as of July 4, 2026
Active · clear
Westcal Mechanical INC
Villa Park, CA · CSLB #743784 · as of July 4, 2026
Active · clear
West Coast Air
Shingle Springs, CA · CSLB #900254 · as of July 4, 2026
Active · clear
West Coast Aire INC
Riverside, CA · CSLB #599420 · as of July 4, 2026
Active · clear
West Coast Air Group INC
West Hills, CA · CSLB #1058249 · as of July 4, 2026
Active · clear
West Coast Air Solutions
Madera, CA · CSLB #975996 · as of July 4, 2026
Active · clear
Golden State Equipment Repair DBA West Coast Appliance Service
Roseville, CA · CSLB #664154 · as of July 4, 2026
Active · clear
West Coast Chief Repair INC
Burbank, CA · CSLB #738122 · as of July 4, 2026
Active · clear
West Coast Cooling
Whittier, CA · CSLB #1037674 · as of July 4, 2026
Active · clear
West Coast Energy
Anaheim, CA · CSLB #685478 · as of July 4, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 4, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.