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 8,401–8,460 of 8,936 contractors

You Are #1 Air Conditioning
Westminster, CA · CSLB #1092058 · as of October 8, 2026
Active · clear
Young Air INC
Lompoc, CA · CSLB #949207 · as of October 8, 2026
Active · clear
Youngman's Mechanical
Rialto, CA · CSLB #805288 · as of October 8, 2026
Active · clear
Your Choice Air Conditioning & Heating
Bakersfield, CA · CSLB #1114616 · as of October 8, 2026
Active · clear
Your Heating And Ac Guy
Orange, CA · CSLB #1128905 · as of October 8, 2026
Active · clear
Yourk Heating And Air Conditioning
Modesto, CA · CSLB #920797 · as of October 8, 2026
Active · clear
Your Season INC
Glendale, CA · CSLB #1152988 · as of October 8, 2026
Active · clear
Your Team Heating And Air
Sheridan, CA · CSLB #1053326 · as of October 8, 2026
Active · clear
YQ Air Condition Solution
Diamond Bar, CA · CSLB #1077548 · as of October 8, 2026
Active · clear
Y & T Sheet Metal
Orangevale, CA · CSLB #620147 · as of October 8, 2026
Active · clear
Yucaipa Valley Mechanical LLC
Yucaipa, CA · CSLB #1144164 · as of October 8, 2026
Active · clear
Yusonx INC
Eastvale, CA · CSLB #1111157 · as of October 8, 2026
Active · clear
Yuze Air Conditioning
Diamond Bar, CA · CSLB #1086305 · as of October 8, 2026
Active · clear
Z3 Mechanical
Reno, CA · CSLB #1143014 · as of October 8, 2026
Active · clear
Zach's Air Conditioning & Heating
Foresthill, CA · CSLB #993629 · as of October 8, 2026
Active · clear
Zach Taylor Heating And Air LLC
La Verne, CA · CSLB #1131483 · as of October 8, 2026
Active · clear
Zack Heating Air & Plumbing
Del Mar, CA · CSLB #986356 · as of October 8, 2026
Active · clear
Zacs Air Systems
Merced, CA · CSLB #1080249 · as of October 8, 2026
Active · clear
Zafi Air Conditioning And Consulting INC
Montclair, CA · CSLB #1089147 · as of October 8, 2026
Active · clear
Z Air Conditioning & Heating
Los Angeles, CA · CSLB #499298 · as of October 8, 2026
Active · clear
Zamano Heating & Air
Downey, CA · CSLB #960265 · as of October 8, 2026
Active · clear
Zapata's Heating And Air INC
San Rafael, CA · CSLB #1026275 · as of October 8, 2026
Active · clear
Zenda Heating & Sheet Metal INC
Marina, CA · CSLB #800456 · as of October 8, 2026
Active · clear
Zenon HVAC INC
Burbank, CA · CSLB #1158575 · as of October 8, 2026
Active · clear
Zepeda Air Conditioning
Indio, CA · CSLB #814359 · as of October 8, 2026
Active · clear
Zephyr Climate Solutions
Felton, CA · CSLB #1072237 · as of October 8, 2026
Active · clear
Zephyr Heating & Air LLC
Northridge, CA · CSLB #958450 · as of October 8, 2026
Active · clear
Zero To 100 Heating & Ac INC
Redlands, CA · CSLB #1148981 · as of October 8, 2026
Active · clear
ZF Heating & Cooling
Concord, CA · CSLB #1149602 · as of October 8, 2026
Active · clear
Huaie Zhang
Temple City, CA · CSLB #1092806 · as of October 8, 2026
Active · clear
Zhao David Haiming
San Francisco, CA · CSLB #1140992 · as of October 8, 2026
Active · clear
Barney Zhen A C Services
Temple City, CA · CSLB #1048029 · as of October 8, 2026
Active · clear
Z & H Mechanical Contractor
San Francisco, CA · CSLB #901598 · as of October 8, 2026
Active · clear
ZH Mechanical INC
San Francisco, CA · CSLB #998449 · as of October 8, 2026
Active · clear
Hongjun Zhong
Las Vegas, CA · CSLB #1116357 · as of October 8, 2026
Active · clear
Xiaoping Zhou
Arcadia, CA · CSLB #1052388 · as of October 8, 2026
Active · clear
Brian Zimmerman
Bellflower, CA · CSLB #819232 · as of October 8, 2026
Active · clear
Zim's Integrated Mechanical Services INC
Bellflower, CA · CSLB #905513 · as of October 8, 2026
Active · clear
Zion Custom Air INC
Canyon Country, CA · CSLB #940765 · as of October 8, 2026
Active · clear
Zion Heating & Cooling INC
Moreno Valley, CA · CSLB #1136433 · as of October 8, 2026
Active · clear
Zodiac Heating & Air Conditioning INC
Van Nuys, CA · CSLB #722952 · as of October 8, 2026
Active · clear
Zoom Air
Mission Viejo, CA · CSLB #1086704 · as of October 8, 2026
Active · clear
Zro Mechanical INC
National City, CA · CSLB #1104873 · as of October 8, 2026
Active · clear
Z S Heating And Air INC
Napa, CA · CSLB #1050971 · as of October 8, 2026
Active · clear
ZW HVAC Service
South El Monte, CA · CSLB #1152168 · as of October 8, 2026
Active · clear
Z Yang Heating & Cooling
Richmond, CA · CSLB #1145960 · as of October 8, 2026
Active · clear
ZY HVAC Equipment Services
Diamond Bar, CA · CSLB #1133374 · as of October 8, 2026
Active · clear
Aaron's Appliance Heating & Air INC
Citrus Heights, CA · CSLB #850075 · as of October 8, 2026
Suspended · bond
Ace Heating & Air Conditioning
Porterville, CA · CSLB #1143320 · as of October 8, 2026
Suspended · bond
A C Today
Lancaster, CA · CSLB #1037775 · as of October 8, 2026
Suspended · bond
Valentin Aguilar
Nuevo, CA · CSLB #1086810 · as of October 8, 2026
Suspended · bond
Ahl Heating And Air
Lake Elsinore, CA · CSLB #999964 · as of October 8, 2026
Suspended · bond
Air And Energy Solutions INC
Cloverdale, CA · CSLB #1074794 · as of October 8, 2026
Suspended · bond
Air-approved Heating & Air Conditioning Corporation
Perris, CA · CSLB #976210 · as of October 8, 2026
Suspended · bond
Air Boss Heating & Air
Patterson, CA · CSLB #1147901 · as of October 8, 2026
Suspended · bond
Air Conditioner Guy
Winchester, CA · CSLB #890436 · as of October 8, 2026
Suspended · bond
Air Crafters Heating And Cooling
Whittier, CA · CSLB #1107449 · as of October 8, 2026
Suspended · bond
Air Pro A/c
Glendale, CA · CSLB #1002256 · as of October 8, 2026
Suspended · bond
Airpro Heating & Air Conditioning
Anaheim, CA · CSLB #1007999 · as of October 8, 2026
Suspended · bond
Airsun Heating And Cooling
Moreno Valley, CA · CSLB #1142130 · as of October 8, 2026
Suspended · bond

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.