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 8,341–8,400 of 8,930 contractors

Williams Heating And Air INC
Nevada City, CA · CSLB #1031025 · as of July 4, 2026
Active · clear
Joey Williams
Apple Valley, CA · CSLB #334015 · as of July 4, 2026
Active · clear
Mark Williams
Bakersfield, CA · CSLB #776831 · as of July 4, 2026
Active · clear
Willis Heating And Air LLC
Sacramento, CA · CSLB #1152336 · as of July 4, 2026
Active · clear
Willy Air Control INC
Fullerton, CA · CSLB #1118824 · as of July 4, 2026
Active · clear
Chris Wilson Plumbing & HVAC Of Coachella INC DBA Chris Wilson
Palm Desert, CA · CSLB #1004091 · as of July 4, 2026
Active · clear
Chris Wilson Plumbing & Heating Repairs INC
Seaside, CA · CSLB #772474 · as of July 4, 2026
Active · clear
Air To The Throne DBA Wilson Heating And Air
Carlsbad, CA · CSLB #995975 · as of July 4, 2026
Active · clear
Wilson HVAC Solutions LLC
Occidental, CA · CSLB #1156327 · as of July 4, 2026
Active · clear
Wilson Mechanical
San Leandro, CA · CSLB #1021303 · as of July 4, 2026
Active · clear
Winaire INC
Huntington Beach, CA · CSLB #578039 · as of July 4, 2026
Active · clear
Winchester Climate Control
Winchester, CA · CSLB #1143328 · as of July 4, 2026
Active · clear
Wind HVAC INC
Garden Grove, CA · CSLB #1138768 · as of July 4, 2026
Active · clear
Windstorm Heating & Air INC
Lake Elsinore, CA · CSLB #1058864 · as of July 4, 2026
Active · clear
Wine Country Heating & Air Conditioning
Windsor, CA · CSLB #1115888 · as of July 4, 2026
Active · clear
Winma Heating & Air INC
Modesto, CA · CSLB #1144836 · as of July 4, 2026
Active · clear
Winn Air Corp
Compton, CA · CSLB #1113461 · as of July 4, 2026
Active · clear
Winn HVAC
Seaside, CA · CSLB #1130224 · as of July 4, 2026
Active · clear
Winset Mechanical
Kelseyville, CA · CSLB #1084980 · as of July 4, 2026
Active · clear
Jesse Winter Mechanical
Escondido, CA · CSLB #884026 · as of July 4, 2026
Active · clear
Wintri
Covina, CA · CSLB #1103351 · as of July 4, 2026
Active · clear
Wintry Heating And Air Conditioning
Trona, CA · CSLB #1103815 · as of July 4, 2026
Active · clear
Wittler Young CO INC
Los Angeles, CA · CSLB #191455 · as of July 4, 2026
Active · clear
Wizard's Air Conditioning
Yuma, CA · CSLB #1036956 · as of July 4, 2026
Active · clear
W L Wills INC
Madera, CA · CSLB #852971 · as of July 4, 2026
Active · clear
Wolf Air INC
Chatsworth, CA · CSLB #1154534 · as of July 4, 2026
Active · clear
Wolfe Bros Heating And Air INC
Placentia, CA · CSLB #1063493 · as of July 4, 2026
Active · clear
Michael Robert Tyrone Wolfe
Chino, CA · CSLB #1095996 · as of July 4, 2026
Active · clear
Wolves HVAC Mechanical
South San Francisco, CA · CSLB #760264 · as of July 4, 2026
Active · clear
Wood Bros Heating & Air Conditioning CO
Lancaster, CA · CSLB #960081 · as of July 4, 2026
Active · clear
Woodland Heating & Air Conditioning INC
Woodland, CA · CSLB #876003 · as of July 4, 2026
Active · clear
Woolard H V A C /R
Newport Beach, CA · CSLB #1021367 · as of July 4, 2026
Active · clear
Smart Air Control System INC DBA Woori Cool
Los Angeles, CA · CSLB #1089852 · as of July 4, 2026
Active · clear
Woori Cool HVAC INC
Fullerton, CA · CSLB #1083086 · as of July 4, 2026
Active · clear
W C Word Sheet Metal
Modesto, CA · CSLB #877748 · as of July 4, 2026
Active · clear
World Appliances
Saugus, CA · CSLB #938931 · as of July 4, 2026
Active · clear
World Class Air INC
Santa Barbara, CA · CSLB #1058570 · as of July 4, 2026
Active · clear
World H V A C Service INC
Fountain Valley, CA · CSLB #1055435 · as of July 4, 2026
Active · clear
Wright Bros Welding & Sheet Metal INC
Hollister, CA · CSLB #393679 · as of July 4, 2026
Active · clear
Wright Heating & Air Conditioning
Foresthill, CA · CSLB #747722 · as of July 4, 2026
Active · clear
Wright Heating And Air Conditioning
Woodland, CA · CSLB #831028 · as of July 4, 2026
Active · clear
Wrights Heating And Air
San Diego, CA · CSLB #767590 · as of July 4, 2026
Active · clear
WR Mechanical INC
Lancaster, CA · CSLB #1036150 · as of July 4, 2026
Active · clear
WR Robbins Company
Oceanside, CA · CSLB #890971 · as of July 4, 2026
Active · clear
Chung Chieh Wu
Diamond Bar, CA · CSLB #1105504 · as of July 4, 2026
Active · clear
Jianzhi Wu
Hacienda Heights, CA · CSLB #1034425 · as of July 4, 2026
Active · clear
Wy&g INC
Santa Clarita, CA · CSLB #1044922 · as of July 4, 2026
Active · clear
WYJ Comfort Cooling & Heating Expert
Cupertino, CA · CSLB #1140364 · as of July 4, 2026
Active · clear
Wyllie's Heating & Air Conditioning
Tulare, CA · CSLB #1041067 · as of July 4, 2026
Active · clear
Xaviers Heating And Air
Upland, CA · CSLB #911404 · as of July 4, 2026
Active · clear
Xcel Heating And Air Conditioning INC
Lafayette, CA · CSLB #1107541 · as of July 4, 2026
Active · clear
Xceptional Heating & Air
Bakersfield, CA · CSLB #1000230 · as of July 4, 2026
Active · clear
Richard Guo Rong Xia
Arcadia, CA · CSLB #791994 · as of July 4, 2026
Active · clear
X I Dynamics INC
Fresno, CA · CSLB #971170 · as of July 4, 2026
Active · clear
Xionghui Luo
Chatsworth, CA · CSLB #1137154 · as of July 4, 2026
Active · clear
XLC Heating And Cooling
Temple City, CA · CSLB #1137423 · as of July 4, 2026
Active · clear
Xpress Air INC
Fowler, CA · CSLB #1134699 · as of July 4, 2026
Active · clear
Xpress Heating & Air
Modesto, CA · CSLB #856368 · as of July 4, 2026
Active · clear
Xpress Heating & Air
Upland, CA · CSLB #1053491 · as of July 4, 2026
Active · clear
Xpress Heating & Air Conditioning
Strathmore, CA · CSLB #973772 · 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.