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 3, 2026.

Showing 6,601–6,660 of 8,930 contractors

Race Cooling
Garden Grove, CA · CSLB #1074577 · as of July 3, 2026
Active · clear
Rachel Evans HVAC
Descanso, CA · CSLB #1074311 · as of July 3, 2026
Active · clear
Raco Air Conditioning & Heating INC
Torrance, CA · CSLB #850252 · as of July 3, 2026
Active · clear
Rad Air Care US
Campbell, CA · CSLB #1134621 · as of July 3, 2026
Active · clear
Rad HVAC INC
Oak Hills, CA · CSLB #1143426 · as of July 3, 2026
Active · clear
Radiant Air HVAC INC
Fullerton, CA · CSLB #1073408 · as of July 3, 2026
Active · clear
Radtke Heating & Air
Escondido, CA · CSLB #1140934 · as of July 3, 2026
Active · clear
Rafael Rivas DBA Rafael's Appliances Air Conditioning And Heating
Oak Hills, CA · CSLB #936041 · as of July 3, 2026
Active · clear
Adam Scott Ragsdale
Escalon, CA · CSLB #1037539 · as of July 3, 2026
Active · clear
Ra Heating & Air INC
Morgan Hill, CA · CSLB #1108062 · as of July 3, 2026
Active · clear
Rai Mechanical LLC
Bakersfield, CA · CSLB #1149383 · as of July 3, 2026
Active · clear
Rain Bow Heating & Air INC
San Dimas, CA · CSLB #613976 · as of July 3, 2026
Active · clear
Raincross Cooling And Heating
Riverside, CA · CSLB #1058057 · as of July 3, 2026
Active · clear
Rain Heating & Cooling
Huntington Beach, CA · CSLB #1131579 · as of July 3, 2026
Active · clear
Rainman Heating & Sheet Metal INC
Monterey, CA · CSLB #770864 · as of July 3, 2026
Active · clear
Rain Or Shine Heating And Air
Menifee, CA · CSLB #949936 · as of July 3, 2026
Active · clear
Ralph's Heating & Air
Palmdale, CA · CSLB #935069 · as of July 3, 2026
Active · clear
Ram - Aire
Westlake Village, CA · CSLB #573472 · as of July 3, 2026
Active · clear
Ram Air Engineering INC
Dana Point, CA · CSLB #470556 · as of July 3, 2026
Active · clear
Ramco Sheet Metal
Covina, CA · CSLB #297761 · as of July 3, 2026
Active · clear
Masoud Ramezannezhad
Tustin, CA · CSLB #1112799 · as of July 3, 2026
Active · clear
Rami - Ram Air Condition INC
Tarzana, CA · CSLB #801809 · as of July 3, 2026
Active · clear
A Ramirez Heating And Plumbing
Seaside, CA · CSLB #1082509 · as of July 3, 2026
Active · clear
Ramirez Heating & Air INC
Bell, CA · CSLB #985841 · as of July 3, 2026
Active · clear
Ramirez HVAC Service
Visalia, CA · CSLB #1086201 · as of July 3, 2026
Active · clear
Ramirez Ramos HVAC
Bakersfield, CA · CSLB #1113503 · as of July 3, 2026
Active · clear
Robert Ramirez
Fresno, CA · CSLB #998489 · as of July 3, 2026
Active · clear
Brian Ramos Heating & Cooling
Los Angeles, CA · CSLB #1070677 · as of July 3, 2026
Active · clear
Cristian Ramos
Cathedral City, CA · CSLB #1030971 · as of July 3, 2026
Active · clear
Mario Ramos MJR HVAC Services
Sylmar, CA · CSLB #1090840 · as of July 3, 2026
Active · clear
Adrian Ramos Ramos
Lake Elsinore, CA · CSLB #995224 · as of July 3, 2026
Active · clear
Ram Plumbing HTG & Air INC
Corona, CA · CSLB #899427 · as of July 3, 2026
Active · clear
Ramsaa HVAC INC
Santa Clarita, CA · CSLB #1080889 · as of July 3, 2026
Active · clear
Ramsey Air
Hughson, CA · CSLB #983440 · as of July 3, 2026
Active · clear
Rancho Heating & Air Plumbing INC
Rancho Santa Margarita, CA · CSLB #1024860 · as of July 3, 2026
Active · clear
Rancho Plumbing Heating & Air
Upland, CA · CSLB #689936 · as of July 3, 2026
Active · clear
Rancho Valley Heating And Air
Rancho Cordova, CA · CSLB #1112010 · as of July 3, 2026
Active · clear
Rancho Viejo Air Conditioning & Heating
Lake Forest, CA · CSLB #745018 · as of July 3, 2026
Active · clear
Rand Aire Corporation
Studio City, CA · CSLB #635096 · as of July 3, 2026
Active · clear
Rand Aire Mechanical Contractors INC
Orange, CA · CSLB #693185 · as of July 3, 2026
Active · clear
R And B Heating And Air
Anderson, CA · CSLB #962514 · as of July 3, 2026
Active · clear
Randle Air Conditioning INC
San Marcos, CA · CSLB #782083 · as of July 3, 2026
Active · clear
Randy's Heating & Air
Sacramento, CA · CSLB #874390 · as of July 3, 2026
Active · clear
Rangel's HTG & A/c Serv
Sun Valley, CA · CSLB #1001761 · as of July 3, 2026
Active · clear
Rantala Heating And Sheet Metal INC
Fort Bragg, CA · CSLB #827647 · as of July 3, 2026
Active · clear
Rapid Plumbing
Culver City, CA · CSLB #771663 · as of July 3, 2026
Active · clear
Rapid Response Heating And Air INC
North Hollywood, CA · CSLB #1147844 · as of July 3, 2026
Active · clear
Ra Refrigeration
Rialto, CA · CSLB #985145 · as of July 3, 2026
Active · clear
Rare Service Heating & Air Conditioning INC
Fresno, CA · CSLB #514869 · as of July 3, 2026
Active · clear
Zachary Rasmussen
Greenwood, CA · CSLB #1004310 · as of July 3, 2026
Active · clear
Rasp Heating & Air Conditioning
Menifee, CA · CSLB #1106230 · as of July 3, 2026
Active · clear
Rassac Air Systems
La Crescenta, CA · CSLB #716318 · as of July 3, 2026
Active · clear
Raven Heating & Air Conditioning INC
Novato, CA · CSLB #937102 · as of July 3, 2026
Active · clear
Rav Mechanical Corporation
Hayward, CA · CSLB #1073696 · as of July 3, 2026
Active · clear
Rayas Legacy Heating And Cooling
Fresno, CA · CSLB #1144506 · as of July 3, 2026
Active · clear
Raydiant Mechanical INC
Winchester, CA · CSLB #1148787 · as of July 3, 2026
Active · clear
Raymond Mechanical Services
Valley Springs, CA · CSLB #852830 · as of July 3, 2026
Active · clear
Raymond Sok
Fullerton, CA · CSLB #832377 · as of July 3, 2026
Active · clear
Raynard's Appliance Repairs
Richmond, CA · CSLB #816691 · as of July 3, 2026
Active · clear
Ray's Air Conditioning And Heating
Palm Desert, CA · CSLB #893120 · as of July 3, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 3, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.