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 3,781–3,840 of 8,936 contractors

1. Glendora Hills Ac And Heat

   Glendora, CA · CSLB #1123854 · as of October 8, 2026
   Active · clear
2. Glendora Plumbing & Heating INC

   Glendora, CA · CSLB #388123 · as of October 8, 2026
   Active · clear
3. GL Heating And Air Conditioning

   Moreno Valley, CA · CSLB #1090911 · as of October 8, 2026
   Active · clear
4. Gal Melili DBA G L M Heating And Air Conditioning

   Tarzana, CA · CSLB #845440 · as of October 8, 2026
   Active · clear
5. G L M Heating And Air Conditioning INC

   Reseda, CA · CSLB #1003103 · as of October 8, 2026
   Active · clear
6. Global Comfort Heating & Air

   Concord, CA · CSLB #410905 · as of October 8, 2026
   Active · clear
7. Global Heating And Cooling Services INC

   Milpitas, CA · CSLB #1025424 · as of October 8, 2026
   Active · open complaint
8. Global HVAC Services

   Venice, CA · CSLB #1130707 · as of October 8, 2026
   Active · clear
9. Global Mechanical Systems INC

   Agoura Hills, CA · CSLB #875990 · as of October 8, 2026
   Active · clear
10. Global Seasons HVAC

    Los Angeles, CA · CSLB #1044538 · as of October 8, 2026
    Active · clear
11. Globaltech INC

    Chino Hills, CA · CSLB #1069742 · as of October 8, 2026
    Active · clear
12. Glossinger Mechanical Systems INC

    Carlsbad, CA · CSLB #1131154 · as of October 8, 2026
    Active · clear
13. Glover & Son Heating & Air Conditioning INC

    Newark, CA · CSLB #758274 · as of October 8, 2026
    Active · clear
14. G M Air-air Conditioning & Heating INC

    Rancho Mirage, CA · CSLB #424487 · as of October 8, 2026
    Active · clear
15. G M C Heating & Cooling INC

    Upland, CA · CSLB #1054347 · as of October 8, 2026
    Active · clear
16. Gmi Mechanical

    Chula Vista, CA · CSLB #1004988 · as of October 8, 2026
    Active · clear
17. Gmsphere Air

    Morgan Hill, CA · CSLB #936594 · as of October 8, 2026
    Active · clear
18. Go Air INC

    North Hollywood, CA · CSLB #811347 · as of October 8, 2026
    Active · clear
19. Gochez Plumbing & HVAC INC

    Torrance, CA · CSLB #1023448 · as of October 8, 2026
    Active · clear
20. Godoy A/c & Heating

    La Puente, CA · CSLB #974094 · as of October 8, 2026
    Active · clear
21. Go Green HVAC INC

    Woodland Hills, CA · CSLB #1006991 · as of October 8, 2026
    Active · clear
22. Goldbaums Air Conditioning And Heating

    Upland, CA · CSLB #832367 · as of October 8, 2026
    Active · clear
23. Gold Coast Climate Control

    Los Angeles, CA · CSLB #1158629 · as of October 8, 2026
    Active · clear
24. Gold Coast Heating & Air

    Lakeside, CA · CSLB #1131517 · as of October 8, 2026
    Active · clear
25. Gold Coast Temp Control

    Camarillo, CA · CSLB #936392 · as of October 8, 2026
    Active · clear
26. Golden Ac INC

    Reseda, CA · CSLB #1122935 · as of October 8, 2026
    Active · clear
27. Golden Air

    San Jose, CA · CSLB #1092022 · as of October 8, 2026
    Active · clear
28. Golden Air

    Stanton, CA · CSLB #885751 · as of October 8, 2026
    Active · clear
29. Golden Air Heating & Cooling INC

    Valley Center, CA · CSLB #1092484 · as of October 8, 2026
    Active · clear
30. Golden Air Systems INC

    Sylmar, CA · CSLB #1144952 · as of October 8, 2026
    Active · clear
31. Golden Bay Heating & Air INC

    Salinas, CA · CSLB #1088600 · as of October 8, 2026
    Active · clear
32. Golden Bear Heating & Air

    Gilroy, CA · CSLB #1035565 · as of October 8, 2026
    Active · clear
33. Golden Comfort Mechanical

    Lakeside, CA · CSLB #1086954 · as of October 8, 2026
    Active · clear
34. Golden East

    Canoga Park, CA · CSLB #578367 · as of October 8, 2026
    Active · clear
35. Golden Gate Technical HVAC

    Vallejo, CA · CSLB #1078021 · as of October 8, 2026
    Active · clear
36. Golden Hills Heating And Air

    Vacaville, CA · CSLB #943851 · as of October 8, 2026
    Active · clear
37. Golden HVAC Design INC

    Los Angeles, CA · CSLB #1077801 · as of October 8, 2026
    Active · clear
38. Golden Star Heating And Cooling INC

    El Cajon, CA · CSLB #1116058 · as of October 8, 2026
    Active · clear
39. Golden State Aire

    Fresno, CA · CSLB #323092 · as of October 8, 2026
    Active · clear
40. Golden State Air Solution

    Laguna Niguel, CA · CSLB #1141726 · as of October 8, 2026
    Active · clear
41. Golden State Comfort

    Redding, CA · CSLB #875779 · as of October 8, 2026
    Active · clear
42. Golden State Comfort Systems INC

    Fairfield, CA · CSLB #1017220 · as of October 8, 2026
    Active · clear
43. Golden State Heating & Air Conditioning

    Patterson, CA · CSLB #1112383 · as of October 8, 2026
    Active · clear
44. Golden State Heating And Air INC

    Chula Vista, CA · CSLB #1119797 · as of October 8, 2026
    Active · clear
45. Golden State HVAC

    Sun Valley, CA · CSLB #1139479 · as of October 8, 2026
    Active · clear
46. Golden State H V A C

    Sylmar, CA · CSLB #958096 · as of October 8, 2026
    Active · clear
47. Golden State HVAC Mechanical INC

    La Verne, CA · CSLB #1115026 · as of October 8, 2026
    Active · clear
48. Golden State Mechanical Air Conditioning & Heating Company

    Selma, CA · CSLB #929887 · as of October 8, 2026
    Active · clear
49. Golden State Plumbing And Heating

    Torrance, CA · CSLB #1062723 · as of October 8, 2026
    Active · clear
50. Golden State Sheet Metal

    Forestville, CA · CSLB #679382 · as of October 8, 2026
    Active · clear
51. Golden Valley Heating & Air

    Chowchilla, CA · CSLB #1136196 · as of October 8, 2026
    Active · clear
52. Golden West Mechanical

    Temecula, CA · CSLB #559403 · as of October 8, 2026
    Active · clear
53. Gold River Mechanical INC

    Loomis, CA · CSLB #612405 · as of October 8, 2026
    Active · clear
54. Goldsmith Mechanical INC

    Paso Robles, CA · CSLB #786338 · as of October 8, 2026
    Active · clear
55. Goldsmith's Air

    Bakersfield, CA · CSLB #886953 · as of October 8, 2026
    Active · clear
56. Gold Standard Heating & Air INC

    Sacramento, CA · CSLB #1089456 · as of October 8, 2026
    Active · clear
57. Gold Standard Heating And Cooling

    Riverside, CA · CSLB #1084565 · as of October 8, 2026
    Active · clear
58. Gold Valley Heating & Air Conditioning

    Placerville, CA · CSLB #460678 · as of October 8, 2026
    Active · clear
59. Go Mechanical

    Fairfield, CA · CSLB #1142449 · as of October 8, 2026
    Active · clear
60. Gomez Air Conditioning LLC

    Rancho Cucamonga, CA · CSLB #1021629 · 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.