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

The California Contractors State License Board (CSLB) lists 8,995 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 2, 2026.

Showing 5,701–5,760 of 8,995 contractors

Morehouse Air Conditioning Service
Orland, CA · CSLB #736033 · as of July 2, 2026
Active · clear
R C Moreno Heating & Air Conditioning
Campbell, CA · CSLB #304955 · as of July 2, 2026
Active · clear
Moreno's Air
Northridge, CA · CSLB #932304 · as of July 2, 2026
Active · clear
Moreno's Heating And Cooling Services INC
Modesto, CA · CSLB #936820 · as of July 2, 2026
Active · clear
Moreno Valley Heating And Air Conditioning
Moreno Valley, CA · CSLB #497888 · as of July 2, 2026
Active · clear
Morerock Refrigeration Services INC
Santa Rosa, CA · CSLB #1104358 · as of July 2, 2026
Active · clear
Morey Plumbing Heating And Cooling INC DBA Morey Plumbing
San Diego, CA · CSLB #967435 · as of July 2, 2026
Active · clear
Morflow Air Conditioning INC
Sylmar, CA · CSLB #488870 · as of July 2, 2026
Active · clear
Morgan Air
Orange, CA · CSLB #884361 · as of July 2, 2026
Active · clear
Morgan Hill Heating And Cooling
San Jose, CA · CSLB #806402 · as of July 2, 2026
Active · clear
Morgan Mechanical
Fair Oaks, CA · CSLB #930244 · as of July 2, 2026
Active · clear
Morning Star Heat & A / C
Rialto, CA · CSLB #791375 · as of July 2, 2026
Active · clear
Morris Heating
Fulton, CA · CSLB #492211 · as of July 2, 2026
Active · clear
Morrison Mechanical Services
Fallbrook, CA · CSLB #1050743 · as of July 2, 2026
Active · clear
Morrison's Circle Air
Bakersfield, CA · CSLB #853115 · as of July 2, 2026
Active · clear
Morrow & Holman Plumbing INC
South Pasadena, CA · CSLB #321793 · as of July 2, 2026
Active · clear
Morse Mechanical INC
El Cajon, CA · CSLB #1126524 · as of July 2, 2026
Active · clear
Mortensen Mechanical
Orcutt, CA · CSLB #1140712 · as of July 2, 2026
Active · clear
Mosher Heating And Air
Paso Robles, CA · CSLB #1100744 · as of July 2, 2026
Active · clear
Mosqueda's Cooling And Heating Incorporated
Madera, CA · CSLB #1034508 · as of July 2, 2026
Active · clear
Motozen LLC
La Verne, CA · CSLB #1146498 · as of July 2, 2026
Active · clear
Mount Ac
Rolling Hills Estates, CA · CSLB #1151333 · as of July 2, 2026
Active · clear
Mountain Air
Pine Grove, CA · CSLB #586716 · as of July 2, 2026
Active · clear
Mountain Air Comfort
Redlands, CA · CSLB #1092470 · as of July 2, 2026
Active · clear
Mountain Air Conditioning
Littlerock, CA · CSLB #683844 · as of July 2, 2026
Active · clear
Mountain Aire Systems
Georgetown, CA · CSLB #676671 · as of July 2, 2026
Active · clear
Mountain Air Heating And Cooling
Grass Valley, CA · CSLB #1084894 · as of July 2, 2026
Active · clear
Mountain Air Heating Cooling & Refrigeration INC
Yreka, CA · CSLB #750134 · as of July 2, 2026
Active · clear
Mountain Air Quality INC
Los Angeles, CA · CSLB #1058051 · as of July 2, 2026
Active · clear
Mountain Breeze Heating & Air Conditioning INC
Highland, CA · CSLB #1016218 · as of July 2, 2026
Active · clear
Mountain House Mechanical
Hopland, CA · CSLB #1098331 · as of July 2, 2026
Active · clear
Mountain HVAC LLC
Rohnert Park, CA · CSLB #1155061 · as of July 2, 2026
Active · clear
Mountain Pride Mechanical INC
Westwood, CA · CSLB #861011 · as of July 2, 2026
Active · clear
Movement Energy INC
Commerce, CA · CSLB #1111051 · as of July 2, 2026
Active · clear
Moxie Mechanical INC
Cameron Park, CA · CSLB #1000511 · as of July 2, 2026
Active · clear
M P Air
Pomona, CA · CSLB #957734 · as of July 2, 2026
Active · clear
MP All Seasons Heating And Cooling INC
Winnetka, CA · CSLB #1044048 · as of July 2, 2026
Active · clear
M P C Heating & Air Conditioning INC
San Fernando, CA · CSLB #852950 · as of July 2, 2026
Active · clear
MQC Heating And Cooling Mechanical INC
Long Beach, CA · CSLB #1105074 · as of July 2, 2026
Active · clear
MR A/c
Diamond Bar, CA · CSLB #864636 · as of July 2, 2026
Active · clear
MR Air INC
Santa Maria, CA · CSLB #1116941 · as of July 2, 2026
Active · clear
MR Cool Ac INC
Rosemead, CA · CSLB #1112536 · as of July 2, 2026
Active · clear
M.r. Cool Air Conditioning Heating And Plumbing
Desert Hot Springs, CA · CSLB #778466 · as of July 2, 2026
Active · clear
Mrcooler HVAC Service
Rohnert Park, CA · CSLB #1145795 · as of July 2, 2026
Active · clear
MR Cool Heating & Cooling INC
Oak View, CA · CSLB #1129881 · as of July 2, 2026
Active · clear
MR Cool HVAC
Carlsbad, CA · CSLB #1130503 · as of July 2, 2026
Active · clear
Mri Heating And Air Conditioning
Napa, CA · CSLB #1110749 · as of July 2, 2026
Active · clear
MR Mcduct's Heating & Air
Sacramento, CA · CSLB #1043325 · as of July 2, 2026
Active · clear
MR Mikes Home Heating And Air Conditioning
Hemet, CA · CSLB #782570 · as of July 2, 2026
Active · clear
MR. Perry's Heating & Air LLC
Atascadero, CA · CSLB #1113743 · as of July 2, 2026
Active · clear
MR Reliable Plumbing & Heating
San Jose, CA · CSLB #1011988 · as of July 2, 2026
Active · clear
MR Stone Air Conditioning
Indio, CA · CSLB #1110542 · as of July 2, 2026
Active · clear
M R V Air
Palmdale, CA · CSLB #880279 · as of July 2, 2026
Active · clear
MRV Service Air INC
Delano, CA · CSLB #870278 · as of July 2, 2026
Active · clear
Msbi Fire N Ice HVAC
Graton, CA · CSLB #1136756 · as of July 2, 2026
Active · clear
M & S Hvacr Contractors INC
Concord, CA · CSLB #956647 · as of July 2, 2026
Active · clear
M S I
Carmichael, CA · CSLB #792414 · as of July 2, 2026
Active · clear
MS Mechanical Service INC
Montebello, CA · CSLB #899875 · as of July 2, 2026
Active · clear
Msmm INC
San Luis Obispo, CA · CSLB #999900 · as of July 2, 2026
Active · clear
Mso Enterprises INC
Granada Hills, CA · CSLB #977044 · as of July 2, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 2, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.