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 29, 2026.

Showing 2,521–2,580 of 8,999 contractors

Comfort Zone Heating & Cooling Corp
Patterson, CA · CSLB #1141091 · as of June 29, 2026
Active · clear
Comfort Zone HVAC & Appliance
Bakersfield, CA · CSLB #1126097 · as of June 29, 2026
Active · clear
Comfort Zone INC
Glendora, CA · CSLB #760955 · as of June 29, 2026
Active · clear
Comfy Home
Calimesa, CA · CSLB #379530 · as of June 29, 2026
Active · clear
Command Air Corp
Fountain Valley, CA · CSLB #942279 · as of June 29, 2026
Active · clear
Commerce Air Conditioning Company
Panorama City, CA · CSLB #274863 · as of June 29, 2026
Active · clear
Commercial Air Services INC
Gilroy, CA · CSLB #1046124 · as of June 29, 2026
Active · clear
Commercial Air Systems INC
Pasadena, CA · CSLB #1027008 · as of June 29, 2026
Active · clear
Commercial Appliance Service LLC
Sacramento, CA · CSLB #1054178 · as of June 29, 2026
Active · clear
Commercial Hood Experts INC
West Hills, CA · CSLB #1126060 · as of June 29, 2026
Active · clear
Commercial Kitchen Hood Installation
Lodi, CA · CSLB #1016487 · as of June 29, 2026
Active · clear
Commercial Service CO
Salinas, CA · CSLB #634618 · as of June 29, 2026
Active · clear
Compare Heating Air Conditioning And Sheet Metal
Concord, CA · CSLB #220289 · as of June 29, 2026
Active · clear
Compass Air Conditioning And Heat LLC
Sylmar, CA · CSLB #1149626 · as of June 29, 2026
Active · clear
Comphel Heating And Air Conditioning INC
Sonora, CA · CSLB #425077 · as of June 29, 2026
Active · clear
Complete Air Conditioning
San Jacinto, CA · CSLB #966594 · as of June 29, 2026
Active · clear
Complete Care Heat Ac & Plumbing
Norco, CA · CSLB #1108387 · as of June 29, 2026
Active · clear
Complete Care Heating And Air Conditioning INC
Concord, CA · CSLB #1088603 · as of June 29, 2026
Active · clear
Complete Comfort Air Conditioning And Heating
Desert Hot Springs, CA · CSLB #1038958 · as of June 29, 2026
Active · clear
Complete Heating And Air Conditioning
Brea, CA · CSLB #680516 · as of June 29, 2026
Active · clear
Complete HVAC Systems INC
Antioch, CA · CSLB #1102530 · as of June 29, 2026
Active · clear
Complete Plus Heating & Air Conditioning CO
Downey, CA · CSLB #897630 · as of June 29, 2026
Active · clear
Complete Thermal Control
Menifee, CA · CSLB #1062082 · as of June 29, 2026
Active · clear
Complete Thermal Services INC
Garden Grove, CA · CSLB #805151 · as of June 29, 2026
Active · clear
Compressor Air Conditioning & Heating INC
Mecca, CA · CSLB #1126057 · as of June 29, 2026
Active · clear
Compressor Parts & Repair INC
South El Monte, CA · CSLB #273601 · as of June 29, 2026
Active · clear
Concept Air
Anaheim, CA · CSLB #1061966 · as of June 29, 2026
Active · clear
Conditioned Air
Roseville, CA · CSLB #1137400 · as of June 29, 2026
Active · clear
Conditioned Aire Air Conditioning & Heating
Canoga Park, CA · CSLB #1155228 · as of June 29, 2026
Active · clear
Confidence Comfort INC
Arcadia, CA · CSLB #772154 · as of June 29, 2026
Active · clear
Conley Heating And Air INC
Los Banos, CA · CSLB #1105928 · as of June 29, 2026
Active · clear
Connected Heating & Air Corporation
Tustin, CA · CSLB #890199 · as of June 29, 2026
Active · clear
Joshua Connet
Wildomar, CA · CSLB #1134174 · as of June 29, 2026
Active · clear
Connolly Heating
Truckee, CA · CSLB #1105992 · as of June 29, 2026
Active · clear
Connolly Heating & Air Conditioning
Pacheco, CA · CSLB #658796 · as of June 29, 2026
Active · clear
Connor Air Conditioning And Refrigeration INC
Temple City, CA · CSLB #403735 · as of June 29, 2026
Active · clear
Conquest Air INC
Anaheim, CA · CSLB #809578 · as of June 29, 2026
Active · clear
Conrad Mechanical
Bakersfield, CA · CSLB #854902 · as of June 29, 2026
Active · clear
Consolidated Mechanical Air Conditioning & Heating INC
Pasadena, CA · CSLB #732589 · as of June 29, 2026
Active · clear
Constant Comfort Heating & Cooling INC
Menifee, CA · CSLB #1028866 · as of June 29, 2026
Active · clear
Constantini Heating And Air Conditioning
Santa Rosa, CA · CSLB #434351 · as of June 29, 2026
Active · clear
Contemporary Air Control INC
Costa Mesa, CA · CSLB #575613 · as of June 29, 2026
Active · clear
Contemporary Heating & Air Conditioning INC
Placentia, CA · CSLB #582686 · as of June 29, 2026
Active · clear
Continental Heating & Air INC
North Hills, CA · CSLB #1124018 · as of June 29, 2026
Active · clear
Continuous Comfort A/c & Heating
Fresno, CA · CSLB #1135872 · as of June 29, 2026
Active · clear
Contra Costa Climate Control INC
Concord, CA · CSLB #813250 · as of June 29, 2026
Active · clear
Contreras Heating & Air
Windsor, CA · CSLB #1080951 · as of June 29, 2026
Active · clear
Controlled Air Systems Easy Cool
Gilroy, CA · CSLB #908009 · as of June 29, 2026
Active · clear
Controlled Climates INC
Laguna Hills, CA · CSLB #845656 · as of June 29, 2026
Active · clear
Controlled Comfort Corp
Lawndale, CA · CSLB #1061861 · as of June 29, 2026
Active · clear
Controlled Elements Corp
Ventura, CA · CSLB #973493 · as of June 29, 2026
Active · clear
Controlled Environment HVAC INC
Glendale, CA · CSLB #1010440 · as of June 29, 2026
Active · clear
Controlled Environment Specialist
Corona, CA · CSLB #1108530 · as of June 29, 2026
Active · clear
Controlled Systems
Santa Clara, CA · CSLB #861874 · as of June 29, 2026
Active · clear
Controlled Systems Air Condition And Heating
Morgan Hill, CA · CSLB #832879 · as of June 29, 2026
Active · clear
Control Point Air
San Mateo, CA · CSLB #1068207 · as of June 29, 2026
Active · clear
Control Temp INC
Redlands, CA · CSLB #596669 · as of June 29, 2026
Active · clear
Controlworks INC
Chino, CA · CSLB #814065 · as of June 29, 2026
Active · clear
Convenient Air INC
La Habra, CA · CSLB #936103 · as of June 29, 2026
Active · clear
Convert Temp H V A C Mechnical Service
Buena Park, CA · CSLB #1023578 · as of June 29, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 29, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.