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

The California Contractors State License Board (CSLB) lists 17 Heating & Air Conditioning (C-20) contractors in San Dimas, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

17 contractors

1. Advanced Plumbing Heating And Air Conditioning INC

   San Dimas, CA · CSLB #1054566 · as of October 6, 2026
   Active · clear
2. Arsenal HVAC INC

   San Dimas, CA · CSLB #1107476 · as of October 6, 2026
   Active · clear
3. DMS Air INC

   San Dimas, CA · CSLB #1086341 · as of October 6, 2026
   Active · clear
4. Easy Breezy Air INC

   San Dimas, CA · CSLB #1116043 · as of October 6, 2026
   Active · clear
5. Equal Air Balance

   San Dimas, CA · CSLB #1006492 · as of October 6, 2026
   Active · clear
6. Franklin Heating And Air Conditioning

   San Dimas, CA · CSLB #1046848 · as of October 6, 2026
   Active · clear
7. Martinez Climate Control

   San Dimas, CA · CSLB #922415 · as of October 6, 2026
   Active · clear
8. Daniel Montes & Son Air Conditioning And Heating

   San Dimas, CA · CSLB #647493 · as of October 6, 2026
   Active · clear
9. Dan Muller Heating And Air Conditioning

   San Dimas, CA · CSLB #943592 · as of October 6, 2026
   Active · clear
10. Premier Air Conditioning INC

    San Dimas, CA · CSLB #1015193 · as of October 6, 2026
    Active · clear
11. Rain Bow Heating & Air INC

    San Dimas, CA · CSLB #613976 · as of October 6, 2026
    Active · clear
12. R C S

    San Dimas, CA · CSLB #919205 · as of October 6, 2026
    Active · clear
13. Edwin Urbina

    San Dimas, CA · CSLB #912215 · as of October 6, 2026
    Active · clear
14. Martin E Wade

    San Dimas, CA · CSLB #411004 · as of October 6, 2026
    Active · clear
15. Ward's Heating & Air Conditioning

    San Dimas, CA · CSLB #254919 · as of October 6, 2026
    Active · clear
16. Western Air Mechanical

    San Dimas, CA · CSLB #1007340 · as of October 6, 2026
    Active · clear
17. Cool Time Air Conditioning And Heating

    San Dimas, CA · CSLB #592062 · as of October 6, 2026
    Suspended · workers' comp

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.