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 6, 2026.

Showing 181–240 of 8,936 contractors

1. A C Cool INC

   Orange, CA · CSLB #804056 · as of October 6, 2026
   Active · clear
2. Accord Air INC

   Escondido, CA · CSLB #1152919 · as of October 6, 2026
   Active · clear
3. Accord Mechanical

   Citrus Heights, CA · CSLB #985757 · as of October 6, 2026
   Active · clear
4. Accountable Air Conditioning Incorporated

   Chino Hills, CA · CSLB #849366 · as of October 6, 2026
   Active · clear
5. Ac Crew Heating And Air INC

   Corona, CA · CSLB #971817 · as of October 6, 2026
   Active · clear
6. Perry E Ward DBA Accu - Air Mechanical Services

   Sunset Beach, CA · CSLB #761719 · as of October 6, 2026
   Active · clear
7. Accufix Temp Control

   Riverside, CA · CSLB #1142193 · as of October 6, 2026
   Active · clear
8. Accu Heating And Air Solutions

   Canyon Lake, CA · CSLB #963185 · as of October 6, 2026
   Active · clear
9. Accurate Air

   Tulare, CA · CSLB #870593 · as of October 6, 2026
   Active · clear
10. Accurate Air Service CO

    Placentia, CA · CSLB #772120 · as of October 6, 2026
    Active · clear
11. Accurate Air Systems

    Glendale, CA · CSLB #704353 · as of October 6, 2026
    Active · clear
12. Accurate Climate Control

    Canoga Park, CA · CSLB #778293 · as of October 6, 2026
    Active · clear
13. Accurate Comfort Air Conditioning And Heating Corp

    Brea, CA · CSLB #1069588 · as of October 6, 2026
    Active · clear
14. Accurate Heating & Air Conditioning

    Lompoc, CA · CSLB #1010505 · as of October 6, 2026
    Active · clear
15. Accurate Heating And Air Conditioning LLC

    Rancho Cucamonga, CA · CSLB #1008392 · as of October 6, 2026
    Active · clear
16. Accurate Zone Heating And Air Conditioning INC

    Northridge, CA · CSLB #965721 · as of October 6, 2026
    Active · clear
17. Accu Temp

    Hesperia, CA · CSLB #713722 · as of October 6, 2026
    Active · clear
18. Accu-temp Heating & Air Conditioning

    Reedley, CA · CSLB #1112610 · as of October 6, 2026
    Active · clear
19. Accu-temp INC

    Orange, CA · CSLB #819565 · as of October 6, 2026
    Active · clear
20. A C Dave Heating & Air

    Green Valley, CA · CSLB #877683 · as of October 6, 2026
    Active · clear
21. Ac/dc Heating & Air Conditioning

    Modesto, CA · CSLB #1100574 · as of October 6, 2026
    Active · clear
22. Ac Discount

    Anaheim, CA · CSLB #722347 · as of October 6, 2026
    Active · clear
23. A C Doctor

    Riverside, CA · CSLB #1026120 · as of October 6, 2026
    Active · clear
24. Ac Doctor Heating & Air Conditioning INC

    Indio, CA · CSLB #1103548 · as of October 6, 2026
    Active · clear
25. The A/c Doctor LLC DBA The Ac Doctor Heating & Air Conditioning

    San Bernardino, CA · CSLB #1124257 · as of October 6, 2026
    Active · clear
26. Ace Air Appliance

    San Clemente, CA · CSLB #953347 · as of October 6, 2026
    Active · clear
27. Ace Air Conditioning

    Fullerton, CA · CSLB #718130 · as of October 6, 2026
    Active · clear
28. Ace Air Conditioning

    Desert Hot Springs, CA · CSLB #1007489 · as of October 6, 2026
    Active · clear
29. Ace Air Conditioning & Heating Service INC

    Chino Hills, CA · CSLB #1116818 · as of October 6, 2026
    Active · clear
30. Ace Air Conditioning INC

    Debary, CA · CSLB #1039032 · as of October 6, 2026
    Active · clear
31. Ace Air Controls INC

    Buena Park, CA · CSLB #1087303 · as of October 6, 2026
    Active · clear
32. Ace Aire Air Conditioning & Heating

    Anaheim Hills, CA · CSLB #602630 · as of October 6, 2026
    Active · clear
33. Ace Air INC

    Merced, CA · CSLB #630937 · as of October 6, 2026
    Active · clear
34. Ace Air Man INC

    Orangevale, CA · CSLB #622803 · as of October 6, 2026
    Active · clear
35. Ace Appliance Heating And Cooling

    Woodland Hills, CA · CSLB #959246 · as of October 6, 2026
    Active · clear
36. Ace Contractors

    San Diego, CA · CSLB #1031362 · as of October 6, 2026
    Active · clear
37. Aced It! Cooling & Heating

    Corona, CA · CSLB #1104648 · as of October 6, 2026
    Active · clear
38. Ace Furnace Company INC

    South San Francisco, CA · CSLB #235989 · as of October 6, 2026
    Active · clear
39. Ace Heating & Air Conditioning INC

    San Mateo, CA · CSLB #794984 · as of October 6, 2026
    Active · clear
40. Ace Heating Air & Fireplaces LLC

    Orcutt, CA · CSLB #1083687 · as of October 6, 2026
    Active · clear
41. Ace Heating And Air

    Simi Valley, CA · CSLB #1107989 · as of October 6, 2026
    Active · clear
42. Ace Heating And Cooling

    Lancaster, CA · CSLB #1115254 · as of October 6, 2026
    Active · clear
43. John Walker Heating And Cooling INC DBA Ace Heating And Cooling

    Rocklin, CA · CSLB #482998 · as of October 6, 2026
    Active · clear
44. Ace - High Heating & Air Conditioning

    Los Angeles, CA · CSLB #954966 · as of October 6, 2026
    Active · clear
45. Ace Home Heating & Air Conditioning LLC

    Riverside, CA · CSLB #1039986 · as of October 6, 2026
    Active · clear
46. Ace Mechanical

    Gilroy, CA · CSLB #1046409 · as of October 6, 2026
    Active · clear
47. Ace Mechanical

    Ukiah, CA · CSLB #1098297 · as of October 6, 2026
    Active · clear
48. The Ace Mechanical Company

    Corona, CA · CSLB #1108183 · as of October 6, 2026
    Active · clear
49. The HVAC Specialists INC DBA Ace Mechanical Heating And Air

    Gardena, CA · CSLB #802982 · as of October 6, 2026
    Active · clear
50. A C Energy Systems INC

    Cardiff, CA · CSLB #737680 · as of October 6, 2026
    Active · clear
51. J & D Greenberg Enterprises INC DBA Ace Plumbing Heating & Air

    Sacramento, CA · CSLB #313506 · as of October 6, 2026
    Active · clear
52. Acer Mechanical INC

    Yorba Linda, CA · CSLB #1044877 · as of October 6, 2026
    Active · clear
53. Ace Rodil Heating And Air Conditioning

    Diamond Bar, CA · CSLB #631042 · as of October 6, 2026
    Active · clear
54. Aces Air

    San Jose, CA · CSLB #1048860 · as of October 6, 2026
    Active · clear
55. Ac Flo HVAC LLC

    Riverside, CA · CSLB #1137951 · as of October 6, 2026
    Active · clear
56. A/c Geeks Heating & Cooling INC

    Los Angeles, CA · CSLB #1030399 · as of October 6, 2026
    Active · clear
57. Ac Geeks HVAC INC

    Calabasas, CA · CSLB #1114946 · as of October 6, 2026
    Active · clear
58. Ac Genius INC

    Tarzana, CA · CSLB #1002286 · as of October 6, 2026
    Active · clear
59. A/c Go Mini Split Installs

    Paramount, CA · CSLB #1144923 · as of October 6, 2026
    Active · clear
60. Ac Group - Air Duct & Dryer Vent Incorporated

    Roseville, CA · CSLB #1160332 · as of October 6, 2026
    Active · clear

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.