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

The California Contractors State License Board (CSLB) lists 8,999 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 June 30, 2026.

Showing 3,781–3,840 of 8,999 contractors

1. GK Lux Group HVAC INC

   Glendale, CA · CSLB #1072851 · as of June 30, 2026
   Active · clear
2. G/K Plumbing & Heating INC

   San Diego, CA · CSLB #404093 · as of June 30, 2026
   Active · clear
3. Glacial HVAC Pro INC

   Los Angeles, CA · CSLB #1048108 · as of June 30, 2026
   Active · clear
4. Glacier Air

   Van Nuys, CA · CSLB #964943 · as of June 30, 2026
   Active · clear
5. Glacier Refrigeration & Air INC

   Selma, CA · CSLB #672042 · as of June 30, 2026
   Active · clear
6. Gladstone Heating & Air Conditioning LLC

   Lakeside, CA · CSLB #931949 · as of June 30, 2026
   Active · clear
7. Walt Glazener Heating & Air Conditioning

   Agoura, CA · CSLB #474084 · as of June 30, 2026
   Active · clear
8. Glendora Hills Ac And Heat

   Glendora, CA · CSLB #1123854 · as of June 30, 2026
   Active · clear
9. Glendora Plumbing & Heating INC

   Glendora, CA · CSLB #388123 · as of June 30, 2026
   Active · clear
10. GL Heating And Air Conditioning

    Moreno Valley, CA · CSLB #1090911 · as of June 30, 2026
    Active · clear
11. Gal Melili DBA G L M Heating And Air Conditioning

    Tarzana, CA · CSLB #845440 · as of June 30, 2026
    Active · clear
12. G L M Heating And Air Conditioning INC

    Reseda, CA · CSLB #1003103 · as of June 30, 2026
    Active · clear
13. Global Comfort Heating & Air

    Concord, CA · CSLB #410905 · as of June 30, 2026
    Active · clear
14. Global Heating And Cooling Services INC

    Milpitas, CA · CSLB #1025424 · as of June 30, 2026
    Active · clear
15. Global HVAC Services

    Venice, CA · CSLB #1130707 · as of June 30, 2026
    Active · clear
16. Global Mechanical Systems INC

    Agoura Hills, CA · CSLB #875990 · as of June 30, 2026
    Active · clear
17. Global Seasons HVAC

    Los Angeles, CA · CSLB #1044538 · as of June 30, 2026
    Active · clear
18. Globaltech INC

    Chino Hills, CA · CSLB #1069742 · as of June 30, 2026
    Active · clear
19. Glossinger Mechanical Systems INC

    Carlsbad, CA · CSLB #1131154 · as of June 30, 2026
    Active · clear
20. Glover & Son Heating & Air Conditioning INC

    Newark, CA · CSLB #758274 · as of June 30, 2026
    Active · clear
21. G M Air-air Conditioning & Heating INC

    Rancho Mirage, CA · CSLB #424487 · as of June 30, 2026
    Active · clear
22. G M C Heating & Cooling INC

    Upland, CA · CSLB #1054347 · as of June 30, 2026
    Active · clear
23. Gmi Mechanical

    Chula Vista, CA · CSLB #1004988 · as of June 30, 2026
    Active · clear
24. Gmsphere Air

    Morgan Hill, CA · CSLB #936594 · as of June 30, 2026
    Active · clear
25. G N F Services INC

    San Diego, CA · CSLB #900616 · as of June 30, 2026
    Active · clear
26. Go Air INC

    North Hollywood, CA · CSLB #811347 · as of June 30, 2026
    Active · clear
27. Gochez Plumbing & HVAC INC

    Torrance, CA · CSLB #1023448 · as of June 30, 2026
    Active · clear
28. Godoy A/c & Heating

    La Puente, CA · CSLB #974094 · as of June 30, 2026
    Active · clear
29. James T Goff Heating & Cooling

    Santa Rosa, CA · CSLB #890573 · as of June 30, 2026
    Active · clear
30. Go Green HVAC INC

    Woodland Hills, CA · CSLB #1006991 · as of June 30, 2026
    Active · clear
31. Goldbaums Air Conditioning And Heating

    Upland, CA · CSLB #832367 · as of June 30, 2026
    Active · clear
32. Gold Coast Heating & Air

    Lakeside, CA · CSLB #1131517 · as of June 30, 2026
    Active · clear
33. Gold Coast Temp Control

    Camarillo, CA · CSLB #936392 · as of June 30, 2026
    Active · clear
34. Golden Ac INC

    Reseda, CA · CSLB #1122935 · as of June 30, 2026
    Active · clear
35. Golden Air

    San Jose, CA · CSLB #1092022 · as of June 30, 2026
    Active · clear
36. Golden Air

    Stanton, CA · CSLB #885751 · as of June 30, 2026
    Active · clear
37. Golden Air Heating & Cooling INC

    Valley Center, CA · CSLB #1092484 · as of June 30, 2026
    Active · clear
38. Golden Air Systems INC

    Sylmar, CA · CSLB #1144952 · as of June 30, 2026
    Active · clear
39. Golden Bay Heating & Air INC

    Salinas, CA · CSLB #1088600 · as of June 30, 2026
    Active · clear
40. Golden Bear Heating & Air

    Gilroy, CA · CSLB #1035565 · as of June 30, 2026
    Active · clear
41. Golden Breeze Heating & Air

    Lynwood, CA · CSLB #1059520 · as of June 30, 2026
    Active · clear
42. Golden Comfort Mechanical

    Lakeside, CA · CSLB #1086954 · as of June 30, 2026
    Active · clear
43. Golden East

    Canoga Park, CA · CSLB #578367 · as of June 30, 2026
    Active · clear
44. Golden Gate Technical HVAC

    Vallejo, CA · CSLB #1078021 · as of June 30, 2026
    Active · clear
45. Golden Hills Heating And Air

    Vacaville, CA · CSLB #943851 · as of June 30, 2026
    Active · clear
46. Golden HVAC Design INC

    Los Angeles, CA · CSLB #1077801 · as of June 30, 2026
    Active · clear
47. Golden Star Heating And Cooling INC

    El Cajon, CA · CSLB #1116058 · as of June 30, 2026
    Active · clear
48. Golden State Aire

    Fresno, CA · CSLB #323092 · as of June 30, 2026
    Active · clear
49. Golden State Air Solution

    Laguna Niguel, CA · CSLB #1141726 · as of June 30, 2026
    Active · clear
50. Golden State Comfort

    Redding, CA · CSLB #875779 · as of June 30, 2026
    Active · clear
51. Golden State Comfort Systems INC

    Fairfield, CA · CSLB #1017220 · as of June 30, 2026
    Active · clear
52. Golden State Heating & Air Conditioning

    Patterson, CA · CSLB #1112383 · as of June 30, 2026
    Active · clear
53. Golden State Heating And Air INC

    Chula Vista, CA · CSLB #1119797 · as of June 30, 2026
    Active · clear
54. Golden State HVAC

    Sun Valley, CA · CSLB #1139479 · as of June 30, 2026
    Active · clear
55. Golden State H V A C

    Sylmar, CA · CSLB #958096 · as of June 30, 2026
    Active · clear
56. Golden State HVAC Mechanical INC

    La Verne, CA · CSLB #1115026 · as of June 30, 2026
    Active · clear
57. Golden State Mechanical Air Conditioning & Heating Company

    Selma, CA · CSLB #929887 · as of June 30, 2026
    Active · clear
58. Golden State Plumbing And Heating

    Torrance, CA · CSLB #1062723 · as of June 30, 2026
    Active · clear
59. Golden State Sheet Metal

    Forestville, CA · CSLB #679382 · as of June 30, 2026
    Active · clear
60. Golden Valley Heating & Air

    Chowchilla, CA · CSLB #1136196 · as of June 30, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 30, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.