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

The California Contractors State License Board (CSLB) lists 8,936 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 October 8, 2026.

Showing 3,841–3,900 of 8,936 contractors

1. Eleodoro Gomez Arenas

   Fresno, CA · CSLB #1024188 · as of October 8, 2026
   Active · clear
2. Gomez Heating Ventilation & Air Conditioning

   Los Angeles, CA · CSLB #1142844 · as of October 8, 2026
   Active · clear
3. Gomez Mechanical

   Camarillo, CA · CSLB #1134097 · as of October 8, 2026
   Active · clear
4. Oscar Gomez Heating & Air

   Chula Vista, CA · CSLB #1037933 · as of October 8, 2026
   Active · clear
5. Viktor Goncharov

   Santa Clarita, CA · CSLB #1038040 · as of October 8, 2026
   Active · clear
6. Gonzalez Air Conditioning And Heating

   South Gate, CA · CSLB #508986 · as of October 8, 2026
   Active · clear
7. Gonzalez Cooling INC

   City Of Industry, CA · CSLB #1085858 · as of October 8, 2026
   Active · clear
8. Gonzalez Heating & Ac

   Antioch, CA · CSLB #1094775 · as of October 8, 2026
   Active · clear
9. Gonzalez Heating & Air INC

   San Jose, CA · CSLB #1095786 · as of October 8, 2026
   Active · clear
10. Gonzalez HVAC INC

    Palmdale, CA · CSLB #1111466 · as of October 8, 2026
    Active · clear
11. Good Air Ac & Heat

    Riverside, CA · CSLB #1086190 · as of October 8, 2026
    Active · clear
12. Goodare

    Fontana, CA · CSLB #877901 · as of October 8, 2026
    Active · clear
13. Good Faith Heating And Cooling LLC

    Menifee, CA · CSLB #1153246 · as of October 8, 2026
    Active · clear
14. Goodfor LLC DBA The Goodfor Company Plumbing & Water Filtration

    Carlsbad, CA · CSLB #1102129 · as of October 8, 2026
    Active · clear
15. Good Guy Heat & Air

    Corcoran, CA · CSLB #1117815 · as of October 8, 2026
    Active · clear
16. Good Guys Heating & Cooling

    Shingle Springs, CA · CSLB #1057618 · as of October 8, 2026
    Active · clear
17. Good Guys Plumbing Heating & Air INC

    Winchester, CA · CSLB #1155580 · as of October 8, 2026
    Active · clear
18. Good Hope Air Conditioning Heating

    Hemet, CA · CSLB #1127578 · as of October 8, 2026
    Active · clear
19. Barry Ben Yacov DBA Goodman Air Conditioning And Heating

    Beverly Hills, CA · CSLB #832605 · as of October 8, 2026
    Active · clear
20. G O Plumbing & Mechanical CO

    Santa Maria, CA · CSLB #946156 · as of October 8, 2026
    Active · clear
21. Gordon's Air Conditioning And Heating

    Buena Park, CA · CSLB #840574 · as of October 8, 2026
    Active · clear
22. Gorgis Air Conditioning And Heating INC

    El Cajon, CA · CSLB #1152761 · as of October 8, 2026
    Active · clear
23. Gorton Air Systems

    Orange, CA · CSLB #1054799 · as of October 8, 2026
    Active · clear
24. Gorton's Heating & Air Conditioning

    Beaumont, CA · CSLB #1132215 · as of October 8, 2026
    Active · open complaint
25. Gosal Heating And Air Conditioning

    Union City, CA · CSLB #992494 · as of October 8, 2026
    Active · clear
26. Gotcha Covered Heating And Air INC

    Coachella, CA · CSLB #1095060 · as of October 8, 2026
    Active · clear
27. Gotech Air Conditioning & Heating

    Laguna Niguel, CA · CSLB #1120123 · as of October 8, 2026
    Active · clear
28. Goucher Mechanical

    Atwater, CA · CSLB #1104037 · as of October 8, 2026
    Active · clear
29. G P A Mechanical Services INC

    Hayward, CA · CSLB #926525 · as of October 8, 2026
    Active · clear
30. G P Heating & Cooling

    Yorba Linda, CA · CSLB #648720 · as of October 8, 2026
    Active · clear
31. GP Mechanical INC

    El Dorado, CA · CSLB #802244 · as of October 8, 2026
    Active · clear
32. Grace Heating And Air INC

    Walnut Creek, CA · CSLB #705148 · as of October 8, 2026
    Active · clear
33. Juan Graciliano

    Shafter, CA · CSLB #959013 · as of October 8, 2026
    Active · clear
34. Graemar Heating & Air Conditioning

    Canyon Country, CA · CSLB #588148 · as of October 8, 2026
    Active · clear
35. G & R Air Conditioning & Heating Corp

    Santa Clarita, CA · CSLB #1024492 · as of October 8, 2026
    Active · clear
36. Grand Heating And Air Conditioning

    Los Angeles, CA · CSLB #329489 · as of October 8, 2026
    Active · clear
37. Grand HVAC INC

    Santa Clarita, CA · CSLB #1114563 · as of October 8, 2026
    Active · clear
38. David Granillo

    Duarte, CA · CSLB #841662 · as of October 8, 2026
    Active · clear
39. Granite Bay Heating & Air LLC

    Granite Bay, CA · CSLB #1119727 · as of October 8, 2026
    Active · clear
40. Grant Air Conditioning

    Palm Desert, CA · CSLB #1030567 · as of October 8, 2026
    Active · clear
41. Grant Air Conditioning & Heating

    Orange, CA · CSLB #1013739 · as of October 8, 2026
    Active · clear
42. Grant's Air Conditioning And Heating INC

    Visalia, CA · CSLB #622839 · as of October 8, 2026
    Active · clear
43. Graphic Air

    Chino, CA · CSLB #824334 · as of October 8, 2026
    Active · clear
44. Grass Roots Heating And Air LLC

    Grass Valley, CA · CSLB #1129586 · as of October 8, 2026
    Active · clear
45. Graul Mechanical INC

    Oceanside, CA · CSLB #1138793 · as of October 8, 2026
    Active · clear
46. M H Graves INC

    Bell Gardens, CA · CSLB #241731 · as of October 8, 2026
    Active · clear
47. Richard E Graves

    Yorba Linda, CA · CSLB #508341 · as of October 8, 2026
    Active · clear
48. Grayarea HVAC LLC

    Butte Valley, CA · CSLB #1084528 · as of October 8, 2026
    Active · clear
49. Greater San Diego Air Conditioning CO INC

    San Diego, CA · CSLB #437153 · as of October 8, 2026
    Active · clear
50. Great Western Aire

    Fresno, CA · CSLB #475491 · as of October 8, 2026
    Active · clear
51. Greco Mechanical

    Lotus, CA · CSLB #931227 · as of October 8, 2026
    Active · clear
52. Green Air

    Palm Desert, CA · CSLB #958083 · as of October 8, 2026
    Active · clear
53. Green Air

    Burbank, CA · CSLB #997340 · as of October 8, 2026
    Active · clear
54. Green Air Engineering

    Laguna Hills, CA · CSLB #826022 · as of October 8, 2026
    Active · clear
55. Green Air HVAC INC

    Los Angeles, CA · CSLB #1027452 · as of October 8, 2026
    Active · clear
56. Green Air Mechanical INC

    San Francisco, CA · CSLB #1047690 · as of October 8, 2026
    Active · clear
57. Green Air & Refrigeration

    Diamond Bar, CA · CSLB #839148 · as of October 8, 2026
    Active · clear
58. Green Building Test & Balance CO

    San Marcos, CA · CSLB #805186 · as of October 8, 2026
    Active · clear
59. Green Comfort Phac INC

    Upland, CA · CSLB #1160800 · as of October 8, 2026
    Active · clear
60. Green Core Heating & Air INC

    Petaluma, CA · CSLB #1131183 · as of October 8, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.