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 6,841–6,900 of 8,930 contractors

Right Tech Heating & Air INC
Glendale, CA · CSLB #1041777 · as of July 3, 2026
Active · clear
Right Temp HVAC INC
Palmdale, CA · CSLB #1074502 · as of July 3, 2026
Active · clear
The Right Temp
Perris, CA · CSLB #1001511 · as of July 3, 2026
Active · clear
Right Way Air & Heating
San Diego, CA · CSLB #1147624 · as of July 3, 2026
Active · clear
R & I Heating And Cooling INC
Los Angeles, CA · CSLB #1103918 · as of July 3, 2026
Active · clear
Riley Plumbing & Heating
South Lake Tahoe, CA · CSLB #774078 · as of July 3, 2026
Active · clear
Rio Vista Air
Rio Vista, CA · CSLB #1144529 · as of July 3, 2026
Active · clear
Rise Mechanical INC
Long Beach, CA · CSLB #939606 · as of July 3, 2026
Active · clear
Rise Up Mechanical
Bakersfield, CA · CSLB #1130963 · as of July 3, 2026
Active · clear
Rittinger Heating & Air LLC
San Jose, CA · CSLB #1146584 · as of July 3, 2026
Active · clear
Rivco Mechanical Services INC
Indio, CA · CSLB #979446 · as of July 3, 2026
Active · clear
Rivera Heating & Air Conditioning
Redwood City, CA · CSLB #638764 · as of July 3, 2026
Active · clear
Rivera Heating And Cooling
Yuba City, CA · CSLB #1059365 · as of July 3, 2026
Active · clear
Jason Rivera
Thermal, CA · CSLB #1078296 · as of July 3, 2026
Active · clear
Rivera's Air Heating & Cooling Service INC
Hanford, CA · CSLB #838658 · as of July 3, 2026
Active · clear
Rivera's Heating & Air Conditioning
San Leandro, CA · CSLB #783459 · as of July 3, 2026
Active · clear
River City Controls INC
El Dorado Hills, CA · CSLB #783455 · as of July 3, 2026
Active · clear
River City Heating And Air
Rancho Cordova, CA · CSLB #1112314 · as of July 3, 2026
Active · clear
River City Heating And Cooling LLC
Mather, CA · CSLB #1152078 · as of July 3, 2026
Active · clear
River City Mechanical INC
Olivehurst, CA · CSLB #1041448 · as of July 3, 2026
Active · clear
Riverdale True Value Hardware And Appliance
Riverdale, CA · CSLB #854414 · as of July 3, 2026
Active · clear
Rivers HVAC Solutions
Santa Rosa, CA · CSLB #1091081 · as of July 3, 2026
Active · clear
Riverside Air
San Bernardino, CA · CSLB #1041502 · as of July 3, 2026
Active · clear
Riverside Heating And Air Conditioning
Riverside, CA · CSLB #648196 · as of July 3, 2026
Active · clear
Riverside Plumbing Company
Corona, CA · CSLB #1082213 · as of July 3, 2026
Active · clear
River Valley Air Conditioning INC
Ft Mohave, CA · CSLB #241747 · as of July 3, 2026
Active · clear
River Valley Mechanical
Marysville, CA · CSLB #1041474 · as of July 3, 2026
Active · clear
River Valley Mechanical INC
Yuba City, CA · CSLB #1090747 · as of July 3, 2026
Active · clear
David Rizo Mechanical
Lakewood, CA · CSLB #987752 · as of July 3, 2026
Active · clear
Rizzo HVAC INC
Menifee, CA · CSLB #349958 · as of July 3, 2026
Active · clear
R J A Heating & Air INC
Sacramento, CA · CSLB #834800 · as of July 3, 2026
Active · clear
RJ Air Conditioning Services INC
Anaheim, CA · CSLB #997356 · as of July 3, 2026
Active · clear
R & J Climate Services INC
Richmond, CA · CSLB #1140094 · as of July 3, 2026
Active · clear
RJ Mechanical HVAC
Victorville, CA · CSLB #967715 · as of July 3, 2026
Active · clear
R J Mechanical INC
Cotati, CA · CSLB #856063 · as of July 3, 2026
Active · clear
R Johnson Modular Air
Browns Valley, CA · CSLB #786451 · as of July 3, 2026
Active · clear
Rj's Heating & Air Conditioning INC
Sherman Oaks, CA · CSLB #584152 · as of July 3, 2026
Active · clear
RK Air INC
Anaheim, CA · CSLB #1006246 · as of July 3, 2026
Active · clear
R K Heating & A/c
Glendale, CA · CSLB #772854 · as of July 3, 2026
Active · clear
R K Heating And Air
Redondo Beach, CA · CSLB #938603 · as of July 3, 2026
Active · clear
R K Mechanical
Simi Valley, CA · CSLB #916208 · as of July 3, 2026
Active · clear
RK Mechanical Air Services INC
Antelope, CA · CSLB #1064548 · as of July 3, 2026
Active · clear
RKM Heating And Air Conditioning
Riverside, CA · CSLB #936726 · as of July 3, 2026
Active · clear
RK Plumbing Heating Air Conditioning
Garden Grove, CA · CSLB #1002474 · as of July 3, 2026
Active · clear
Rla Comfortmaker INC
Tarzana, CA · CSLB #1101898 · as of July 3, 2026
Active · clear
RL HVAC
Chino Hills, CA · CSLB #1076904 · as of July 3, 2026
Active · clear
R & L Mechanical INC
San Lorenzo, CA · CSLB #1114298 · as of July 3, 2026
Active · clear
R L P Mechanical H V A C
Sacramento, CA · CSLB #925601 · as of July 3, 2026
Active · clear
RM Air INC
Corona, CA · CSLB #1136932 · as of July 3, 2026
Active · clear
R M C Mechanical Systems INC
Escondido, CA · CSLB #948877 · as of July 3, 2026
Active · clear
RMC Refrigeration & Air Conditioning INC
Redding, CA · CSLB #492792 · as of July 3, 2026
Active · clear
RM Heating & Air Conditioning
Stockton, CA · CSLB #1088775 · as of July 3, 2026
Active · clear
RM Heating And Air
Vista, CA · CSLB #1145479 · as of July 3, 2026
Active · clear
RM Heating & Cooling Solutions LLC
San Francisco, CA · CSLB #1137812 · as of July 3, 2026
Active · clear
RML Heating And Air Conditioning
Gilroy, CA · CSLB #1046486 · as of July 3, 2026
Active · clear
R Monteverde & Son Heating & Air Conditioning
Torrance, CA · CSLB #984223 · as of July 3, 2026
Active · clear
R & M Refrigeration
Roseville, CA · CSLB #784569 · as of July 3, 2026
Active · clear
RMS Heating And Air
Elk Grove, CA · CSLB #1036295 · as of July 3, 2026
Active · clear
RNC Heating & A/c
Palmdale, CA · CSLB #1011435 · as of July 3, 2026
Active · clear
RNS Heating & Air Conditioning INC
Tujunga, CA · CSLB #1065109 · 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.