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

The California Contractors State License Board (CSLB) lists 8,994 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 27, 2026.

Showing 241–300 of 8,994 contractors

A/c Go Mini Split Installs
Paramount, CA · CSLB #1144923 · as of June 27, 2026
Active · clear
Ac Guy
Hemet, CA · CSLB #1070401 · as of June 27, 2026
Active · clear
A/c Guys Cooling And Heating INC
Pleasanton, CA · CSLB #1036070 · as of June 27, 2026
Active · clear
The A / C Guy
Santee, CA · CSLB #975893 · as of June 27, 2026
Active · clear
The A C Guy
Midway City, CA · CSLB #801429 · as of June 27, 2026
Active · clear
Ac Guyz INC
Redlands, CA · CSLB #1157272 · as of June 27, 2026
Active · clear
Ach Air Systems INC
Glendale, CA · CSLB #1048811 · as of June 27, 2026
Active · clear
Ac & Heat Contractor INC
Gardena, CA · CSLB #1130407 · as of June 27, 2026
Active · clear
Ac Heat Diamond Bar
Diamond Bar, CA · CSLB #1145762 · as of June 27, 2026
Active · clear
Ac Heating & Air Conditioning Services INC
North Hills, CA · CSLB #685872 · as of June 27, 2026
Active · clear
A & C Heating And Air Conditioning
Corona, CA · CSLB #929545 · as of June 27, 2026
Active · clear
Ac Heating And Air Conditioning LLC
Sacramento, CA · CSLB #1070482 · as of June 27, 2026
Active · clear
Ac & Heating BY Terry
San Bernardino, CA · CSLB #1059099 · as of June 27, 2026
Active · clear
A C Heating & Cooling Service INC
Concord, CA · CSLB #928075 · as of June 27, 2026
Active · clear
A/c & Heat Services INC
Fontana, CA · CSLB #1051572 · as of June 27, 2026
Active · clear
Ac Hero
Walnut, CA · CSLB #1099761 · as of June 27, 2026
Active · clear
Ach Mechanical Contractors INC
Redlands, CA · CSLB #780560 · as of June 27, 2026
Active · clear
A C & H Mechanical Corp
San Diego, CA · CSLB #1023907 · as of June 27, 2026
Active · clear
Ach Pro Mechanical
Napa, CA · CSLB #1131437 · as of June 27, 2026
Active · clear
Acjc Air Conditioning
Anaheim, CA · CSLB #1094237 · as of June 27, 2026
Active · clear
Ackerman Air
Riverside, CA · CSLB #1101701 · as of June 27, 2026
Active · clear
A C King INC
Rialto, CA · CSLB #1009877 · as of June 27, 2026
Active · clear
Ackley Sheetmetal INC
Hayward, CA · CSLB #481360 · as of June 27, 2026
Active · clear
A-class Heating And Air
Rancho Cordova, CA · CSLB #1090886 · as of June 27, 2026
Active · clear
A Climate Control
Vacaville, CA · CSLB #937133 · as of June 27, 2026
Active · clear
A C Logix Incorporated
Pleasanton, CA · CSLB #814563 · as of June 27, 2026
Active · clear
A/c Man
San Bernardino, CA · CSLB #1041688 · as of June 27, 2026
Active · clear
Acman Quality HVAC INC
Vista, CA · CSLB #1128700 · as of June 27, 2026
Active · clear
Acme Air INC
Lancaster, CA · CSLB #1084196 · as of June 27, 2026
Active · clear
A / C Mechanical Sol INC
San Diego, CA · CSLB #923310 · as of June 27, 2026
Active · clear
Ac Medic
Indio, CA · CSLB #1141685 · as of June 27, 2026
Active · clear
Acme Heating & Air Conditioning Company
Inglewood, CA · CSLB #735039 · as of June 27, 2026
Active · clear
A C Norton Heating And Air
Huntington Beach, CA · CSLB #575335 · as of June 27, 2026
Active · clear
Jeannot Acoca
Los Angeles, CA · CSLB #636010 · as of June 27, 2026
Active · clear
A/c One INC
Simi Valley, CA · CSLB #1029247 · as of June 27, 2026
Active · clear
Acosta Ac
Jurupa Valley, CA · CSLB #896856 · as of June 27, 2026
Active · clear
Acosta Air
Bakersfield, CA · CSLB #941097 · as of June 27, 2026
Active · clear
Acosta Heating Air Conditioning & Sheet Metal
San Rafael, CA · CSLB #503461 · as of June 27, 2026
Active · clear
Acosta Heating And Air Conditioning INC
Newbury Park, CA · CSLB #607402 · as of June 27, 2026
Active · clear
Acosta H V A C
La Mirada, CA · CSLB #954085 · as of June 27, 2026
Active · clear
Acosta Mechanical INC
Palm Springs, CA · CSLB #924902 · as of June 27, 2026
Active · clear
Acoustic Air
Salinas, CA · CSLB #1092201 · as of June 27, 2026
Active · clear
A C Perfections INC
Alta Loma, CA · CSLB #990700 · as of June 27, 2026
Active · clear
Ac Plumbing Heating & Air Conditioning INC DBA Ac Plumbing INC
Harbor City, CA · CSLB #990504 · as of June 27, 2026
Active · clear
Ac Plus Construction
Poway, CA · CSLB #737166 · as of June 27, 2026
Active · clear
A C Plus Heating & Air INC
Victorville, CA · CSLB #805216 · as of June 27, 2026
Active · clear
A C P Mechanical
Sacramento, CA · CSLB #982478 · as of June 27, 2026
Active · clear
A/c Professional
Granada Hills, CA · CSLB #1146817 · as of June 27, 2026
Active · clear
Ac Pro Heating And Air Corp
San Jacinto, CA · CSLB #1037113 · as of June 27, 2026
Active · clear
A/c Pro Heating & Cooling
Tulare, CA · CSLB #1138879 · as of June 27, 2026
Active · clear
Ac Pro Master
Calabasas, CA · CSLB #1040926 · as of June 27, 2026
Active · clear
Acr Air Conditioning
Hacienda Heights, CA · CSLB #1061540 · as of June 27, 2026
Active · clear
Ac & Refrigeration Comfort INC
Riverside, CA · CSLB #1097670 · as of June 27, 2026
Active · clear
A C Repair Pro
Murrieta, CA · CSLB #991670 · as of June 27, 2026
Active · clear
Acr Heating & Air
Sacramento, CA · CSLB #1114965 · as of June 27, 2026
Active · clear
Acr Heating & Cooling INC
Canoga Park, CA · CSLB #1036202 · as of June 27, 2026
Active · clear
A C & R Service Heating & Cooling INC
Ukiah, CA · CSLB #471898 · as of June 27, 2026
Active · clear
Acsco,inc
Pasadena, CA · CSLB #731997 · as of June 27, 2026
Active · clear
A C Services
Tracy, CA · CSLB #1037982 · as of June 27, 2026
Active · clear
A / C Solutions INC
Murrieta, CA · CSLB #937959 · as of June 27, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.