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 3,961–4,020 of 8,936 contractors

GVS Heating And Air
Knights Landing, CA · CSLB #1159757 · as of October 8, 2026
Active · clear
G W Heating & Air Conditioning
West Covina, CA · CSLB #1103035 · as of October 8, 2026
Active · clear
G W Richardson Heating & Air Conditioning INC
Valencia, CA · CSLB #496735 · as of October 8, 2026
Active · clear
G Z M Cooling
Calexico, CA · CSLB #1036916 · as of October 8, 2026
Active · clear
H2 Heating And Air INC
Escalon, CA · CSLB #1058369 · as of October 8, 2026
Active · clear
H 2 H Heating And Air Conditioning
Laguna Niguel, CA · CSLB #1002858 · as of October 8, 2026
Active · clear
H4 Cooling
Torrance, CA · CSLB #1096443 · as of October 8, 2026
Active · clear
H A C E U S A
Bonsall, CA · CSLB #724117 · as of October 8, 2026
Active · clear
Hac Heating & Air Conditioning INC
Winton, CA · CSLB #941040 · as of October 8, 2026
Active · clear
Hacienda Heating & A/c
Apple Valley, CA · CSLB #907202 · as of October 8, 2026
Active · clear
Hackney INC
Santa Monica, CA · CSLB #958504 · as of October 8, 2026
Active · clear
John M Hagan
Lakeport, CA · CSLB #541548 · as of October 8, 2026
Active · clear
Hagen Heating & Air
Rancho Cucamonga, CA · CSLB #746913 · as of October 8, 2026
Active · clear
Hratch Hagopian
La Crescenta, CA · CSLB #1082986 · as of October 8, 2026
Active · clear
H & A Heating And Air INC
Oceanside, CA · CSLB #908034 · as of October 8, 2026
Active · clear
Hahn Mechanical
San Jose, CA · CSLB #1128875 · as of October 8, 2026
Active · clear
Hai Bin Yan
Monterey Park, CA · CSLB #1145558 · as of October 8, 2026
Active · clear
Haight & Haight INC
Fallbrook, CA · CSLB #351411 · as of October 8, 2026
Active · clear
Haines Heating & Air Conditioning
Rancho Santa Margarita, CA · CSLB #1094475 · as of October 8, 2026
Active · clear
Hagop J Hairabdian
Sylmar, CA · CSLB #1087957 · as of October 8, 2026
Active · clear
D R Stuart INC DBA Hale Refrigeration
Canyon Country, CA · CSLB #673532 · as of October 8, 2026
Active · clear
Joseph Hall Heating And Air Conditioning
La Crescenta, CA · CSLB #1040102 · as of October 8, 2026
Active · clear
Robert Hall & Sons
La Crescenta, CA · CSLB #602029 · as of October 8, 2026
Active · clear
Hall's Heating And Air
Goleta, CA · CSLB #932558 · as of October 8, 2026
Active · clear
Halo Heating & Air Conditioning
Bradley, CA · CSLB #860338 · as of October 8, 2026
Active · clear
Hammer Heating & Air
Upland, CA · CSLB #1119562 · as of October 8, 2026
Active · clear
Hammer Heating & Air Conditioning INC
Redondo Beach, CA · CSLB #1044174 · as of October 8, 2026
Active · clear
Hammer Mechanical INC
Vista, CA · CSLB #810016 · as of October 8, 2026
Active · clear
Hammer's Heating And Air Conditioning
Martinez, CA · CSLB #672344 · as of October 8, 2026
Active · clear
Hancock Air Conditioning And Heating
Tulare, CA · CSLB #586163 · as of October 8, 2026
Active · clear
Hugh Hoard INC DBA H And H Air Conditioning
Palm Desert, CA · CSLB #510566 · as of October 8, 2026
Active · clear
Hands Mechanical
Hesperia, CA · CSLB #1160834 · as of October 8, 2026
Active · clear
George Haney & Son INC
Pasadena, CA · CSLB #329449 · as of October 8, 2026
Active · clear
Hanford Air Conditioning
Hanford, CA · CSLB #1085462 · as of October 8, 2026
Active · clear
Hangtown Mechanical
Placerville, CA · CSLB #1127860 · as of October 8, 2026
Active · clear
Hangyman INC
Santa Clarita, CA · CSLB #1153532 · as of October 8, 2026
Active · clear
Hanifan Heating & Air Conditioning
Culver City, CA · CSLB #1140124 · as of October 8, 2026
Active · clear
Moonho Han
Alhambra, CA · CSLB #1139556 · as of October 8, 2026
Active · clear
Jay Scott Hansen
Westlake Village, CA · CSLB #1065673 · as of October 8, 2026
Active · clear
Hanson Air Conditioning & Heating
Tarzana, CA · CSLB #512068 · as of October 8, 2026
Active · clear
Hanson's Heating & A/c INC
Santee, CA · CSLB #621587 · as of October 8, 2026
Active · clear
Hanson's Heating & Air Conditioning
Woodland, CA · CSLB #1160518 · as of October 8, 2026
Active · clear
Julan Hao
Ontario, CA · CSLB #1083815 · as of October 8, 2026
Active · clear
Happy Camper Heating Air And Plumbing
Whittier, CA · CSLB #1104410 · as of October 8, 2026
Active · clear
Happy Heating & Air
Hayward, CA · CSLB #1121646 · as of October 8, 2026
Active · clear
Harber Heating And Air
Camarillo, CA · CSLB #979805 · as of October 8, 2026
Active · clear
Harbor Air Conditioning & Heating
San Diego, CA · CSLB #744993 · as of October 8, 2026
Active · clear
Harbor Air Conditioning LLC
Harbor City, CA · CSLB #1144099 · as of October 8, 2026
Active · clear
Hardaway H V A C
El Centro, CA · CSLB #661537 · as of October 8, 2026
Active · clear
Harden Heating And Air Conditioning
Lincoln, CA · CSLB #945460 · as of October 8, 2026
Active · clear
Randy Hardin Mechanical
Citrus Heights, CA · CSLB #1068496 · as of October 8, 2026
Active · clear
Harlan Air
Temple City, CA · CSLB #873592 · as of October 8, 2026
Active · clear
Harlan Quality Home Services
Gold River, CA · CSLB #1018175 · as of October 8, 2026
Active · clear
Harley's Heating And Cooling
Placerville, CA · CSLB #1132305 · as of October 8, 2026
Active · clear
Haro Heating And Air Conditioning
Temecula, CA · CSLB #1121766 · as of October 8, 2026
Active · clear
Haro HVAC Services
Pico Rivera, CA · CSLB #1141892 · as of October 8, 2026
Active · clear
Harris Air
West Sacramento, CA · CSLB #956638 · as of October 8, 2026
Active · clear
Harris Las Vegas LLC
St Paul, CA · CSLB #1023743 · as of October 8, 2026
Active · clear
John Harrison INC
Stockton, CA · CSLB #907555 · as of October 8, 2026
Active · clear
Harrison Mechanical Service
Santa Clara, CA · CSLB #775532 · as of October 8, 2026
Active · clear

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.