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

The California Contractors State License Board (CSLB) lists 39 Heating & Air Conditioning (C-20) contractors in Fullerton, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

39 contractors

1. 1-800-coolness

   Fullerton, CA · CSLB #871741 · as of October 6, 2026
   Active · clear
2. 57 Heating And Air Conditioning

   Fullerton, CA · CSLB #1130374 · as of October 6, 2026
   Active · clear
3. Ace Air Conditioning

   Fullerton, CA · CSLB #718130 · as of October 6, 2026
   Active · clear
4. Advanced Climate Technologies

   Fullerton, CA · CSLB #1039852 · as of October 6, 2026
   Active · clear
5. Air Revolution Heating And Cooling INC

   Fullerton, CA · CSLB #1042990 · as of October 6, 2026
   Active · clear
6. Angel HVAC

   Fullerton, CA · CSLB #1094626 · as of October 6, 2026
   Active · clear
7. Anthony's Reliable Heating & Air Conditioning

   Fullerton, CA · CSLB #943119 · as of October 6, 2026
   Active · clear
8. Applied Air Conditioning INC

   Fullerton, CA · CSLB #910358 · as of October 6, 2026
   Active · clear
9. Comfort Control HVAC

   Fullerton, CA · CSLB #1137585 · as of October 6, 2026
   Active · clear
10. Comfort Solutions Heating And Cooling

    Fullerton, CA · CSLB #1113536 · as of October 6, 2026
    Active · clear
11. Cooling & Heating Repair INC

    Fullerton, CA · CSLB #1093030 · as of October 6, 2026
    Active · clear
12. Dan Paredes INC

    Fullerton, CA · CSLB #1158996 · as of October 6, 2026
    Active · clear
13. Evolution Heating And Air Conditioning

    Fullerton, CA · CSLB #1049849 · as of October 6, 2026
    Active · clear
14. Evolution Heating And Air Conditioning INC

    Fullerton, CA · CSLB #1082536 · as of October 6, 2026
    Active · clear
15. First Class Comfort HVAC LLC

    Fullerton, CA · CSLB #1141174 · as of October 6, 2026
    Active · clear
16. Hawaiian Air

    Fullerton, CA · CSLB #299279 · as of October 6, 2026
    Active · clear
17. Ki Hong Airconditioning

    Fullerton, CA · CSLB #984268 · as of October 6, 2026
    Active · clear
18. Horton's Heating & Air Conditioning

    Fullerton, CA · CSLB #587686 · as of October 6, 2026
    Active · clear
19. Icy Ac & Cleaning INC

    Fullerton, CA · CSLB #1104972 · as of October 6, 2026
    Active · clear
20. Jamison Heating & Cooling Services INC

    Fullerton, CA · CSLB #1072598 · as of October 6, 2026
    Active · clear
21. King's Air

    Fullerton, CA · CSLB #1120216 · as of October 6, 2026
    Active · clear
22. K N C Air Control INC

    Fullerton, CA · CSLB #790011 · as of October 6, 2026
    Active · clear
23. One Hour Heating And Air Conditioning

    Fullerton, CA · CSLB #1136570 · as of October 6, 2026
    Active · clear
24. Orgio Air Services

    Fullerton, CA · CSLB #1153303 · as of October 6, 2026
    Active · clear
25. Pacific HVAC LLC

    Fullerton, CA · CSLB #1151166 · as of October 6, 2026
    Active · clear
26. Chris Palmer Heating & Air Conditioning

    Fullerton, CA · CSLB #1076327 · as of October 6, 2026
    Active · clear
27. Precision Air Controls

    Fullerton, CA · CSLB #1137223 · as of October 6, 2026
    Active · clear
28. Ricardo Domingo DBA Pro Aire Heating And Cooling CO

    Fullerton, CA · CSLB #1074299 · as of October 6, 2026
    Active · clear
29. Radiant Air HVAC INC

    Fullerton, CA · CSLB #1073408 · as of October 6, 2026
    Active · clear
30. Raymond Sok

    Fullerton, CA · CSLB #832377 · as of October 6, 2026
    Active · clear
31. Refrigeration Unlimited INC

    Fullerton, CA · CSLB #764462 · as of October 6, 2026
    Active · clear
32. Gard INC DBA Reliable Sheet Metal Works

    Fullerton, CA · CSLB #272202 · as of October 6, 2026
    Active · clear
33. S C Air Tech

    Fullerton, CA · CSLB #1005297 · as of October 6, 2026
    Active · clear
34. Service Solutions

    Fullerton, CA · CSLB #793095 · as of October 6, 2026
    Active · clear
35. Synergy Industrial Refrigeration INC

    Fullerton, CA · CSLB #943905 · as of October 6, 2026
    Active · clear
36. Tri - Pacific Heating & Air Conditioning LP An Ams Company

    Fullerton, CA · CSLB #894392 · as of October 6, 2026
    Active · clear
37. Willy Air Control INC

    Fullerton, CA · CSLB #1118824 · as of October 6, 2026
    Active · clear
38. Woori Cool HVAC INC

    Fullerton, CA · CSLB #1083086 · as of October 6, 2026
    Active · clear
39. J M Professional Plumbing

    Fullerton, CA · CSLB #828995 · as of October 6, 2026
    Suspended · bond

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.