Licensed Heating & Air Conditioning (C-20) contractors in Walnut, CA

The California Contractors State License Board (CSLB) lists 18 Heating & Air Conditioning (C-20) contractors in Walnut, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

18 contractors

1. Ac Hero

   Walnut, CA · CSLB #1099761 · as of October 6, 2026
   Active · clear
2. Air Caresaver Corp

   Walnut, CA · CSLB #1054832 · as of October 6, 2026
   Active · clear
3. Air Temperature Control

   Walnut, CA · CSLB #449261 · as of October 6, 2026
   Active · clear
4. Allstar Heating & Air Conditioning INC

   Walnut, CA · CSLB #969939 · as of October 6, 2026
   Active · clear
5. Aolus HVAC

   Walnut, CA · CSLB #1159822 · as of October 6, 2026
   Active · clear
6. David's Repair Center

   Walnut, CA · CSLB #750042 · as of October 6, 2026
   Active · clear
7. DL HVAC

   Walnut, CA · CSLB #1120809 · as of October 6, 2026
   Active · clear
8. HY HVAC Service

   Walnut, CA · CSLB #1145147 · as of October 6, 2026
   Active · clear
9. I Go Heating & Air Conditioning

   Walnut, CA · CSLB #998354 · as of October 6, 2026
   Active · clear
10. I Go Heating & Air Conditioning INC

    Walnut, CA · CSLB #1049231 · as of October 6, 2026
    Active · clear
11. Jay's Services

    Walnut, CA · CSLB #732053 · as of October 6, 2026
    Active · clear
12. J C Air Conditioning INC

    Walnut, CA · CSLB #1009208 · as of October 6, 2026
    Active · clear
13. JD Air

    Walnut, CA · CSLB #1091749 · as of October 6, 2026
    Active · clear
14. Pomona Valley Plumbing Heating Air Conditioning CO INC

    Walnut, CA · CSLB #1019549 · as of October 6, 2026
    Active · clear
15. Quinto Heating And Air

    Walnut, CA · CSLB #1082953 · as of October 6, 2026
    Active · clear
16. Steve's Heating & Air Conditioning

    Walnut, CA · CSLB #1029672 · as of October 6, 2026
    Active · clear
17. S T W HVAC

    Walnut, CA · CSLB #968650 · as of October 6, 2026
    Active · clear
18. Weatherite Corporation

    Walnut, CA · CSLB #451778 · as of October 6, 2026
    Active · clear

See all Heating & Air Conditioning (C-20) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.