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

The California Contractors State License Board (CSLB) lists 8,994 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 27, 2026.

Showing 181–240 of 8,994 contractors

1. Accountable Air Conditioning Incorporated

   Chino Hills, CA · CSLB #849366 · as of June 27, 2026
   Active · clear
2. Ac Crew Heating And Air INC

   Corona, CA · CSLB #971817 · as of June 27, 2026
   Active · clear
3. Perry E Ward DBA Accu - Air Mechanical Services

   Sunset Beach, CA · CSLB #761719 · as of June 27, 2026
   Active · clear
4. Accu Heating And Air Solutions

   Canyon Lake, CA · CSLB #963185 · as of June 27, 2026
   Active · clear
5. Accurate Air

   Tulare, CA · CSLB #870593 · as of June 27, 2026
   Active · clear
6. Accurate Air Service CO

   Placentia, CA · CSLB #772120 · as of June 27, 2026
   Active · clear
7. Accurate Air Systems

   Glendale, CA · CSLB #704353 · as of June 27, 2026
   Active · clear
8. Accurate Climate Control

   Canoga Park, CA · CSLB #778293 · as of June 27, 2026
   Active · clear
9. Accurate Comfort Air Conditioning And Heating Corp

   Brea, CA · CSLB #1069588 · as of June 27, 2026
   Active · clear
10. Accurate Heating & Air Conditioning

    Lompoc, CA · CSLB #1010505 · as of June 27, 2026
    Active · clear
11. Accurate Heating And Air Conditioning LLC

    Rancho Cucamonga, CA · CSLB #1008392 · as of June 27, 2026
    Active · clear
12. Accurate Zone Heating And Air Conditioning INC

    Reseda, CA · CSLB #965721 · as of June 27, 2026
    Active · clear
13. Accu Temp

    Hesperia, CA · CSLB #713722 · as of June 27, 2026
    Active · clear
14. Accu - Temp Heating & Air Conditioning

    El Monte, CA · CSLB #964322 · as of June 27, 2026
    Active · clear
15. Accu-temp Heating & Air Conditioning

    Reedley, CA · CSLB #1112610 · as of June 27, 2026
    Active · clear
16. Accutemp Heating And Air

    Oakdale, CA · CSLB #956000 · as of June 27, 2026
    Active · clear
17. Accu-temp INC

    Orange, CA · CSLB #819565 · as of June 27, 2026
    Active · clear
18. A C Dave Heating & Air

    Green Valley, CA · CSLB #877683 · as of June 27, 2026
    Active · clear
19. Ac/dc Heating & Air Conditioning

    Modesto, CA · CSLB #1100574 · as of June 27, 2026
    Active · clear
20. Ac Discount

    Anaheim, CA · CSLB #722347 · as of June 27, 2026
    Active · clear
21. A C Doctor

    Riverside, CA · CSLB #1026120 · as of June 27, 2026
    Active · clear
22. Ac Doctor Heating & Air Conditioning INC

    Indio, CA · CSLB #1103548 · as of June 27, 2026
    Active · clear
23. The A/c Doctor LLC DBA The Ac Doctor Heating & Air Conditioning

    San Bernardino, CA · CSLB #1124257 · as of June 27, 2026
    Active · clear
24. Ace Air Appliance

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

    Desert Hot Springs, CA · CSLB #1007489 · as of June 27, 2026
    Active · clear
26. Ace Air Conditioning

    Fullerton, CA · CSLB #718130 · as of June 27, 2026
    Active · clear
27. Ace Air Conditioning & Heating Service INC

    Chino Hills, CA · CSLB #1116818 · as of June 27, 2026
    Active · clear
28. Ace Air Conditioning INC

    Debary, CA · CSLB #1039032 · as of June 27, 2026
    Active · clear
29. Ace Air Controls INC

    Buena Park, CA · CSLB #1087303 · as of June 27, 2026
    Active · clear
30. Ace Aire Air Conditioning & Heating

    Anaheim Hills, CA · CSLB #602630 · as of June 27, 2026
    Active · clear
31. Ace Air INC

    Merced, CA · CSLB #630937 · as of June 27, 2026
    Active · clear
32. Ace Air Man INC

    Orangevale, CA · CSLB #622803 · as of June 27, 2026
    Active · clear
33. Ace Appliance Heating And Cooling

    Woodland Hills, CA · CSLB #959246 · as of June 27, 2026
    Active · clear
34. Ace Contractors

    San Diego, CA · CSLB #1031362 · as of June 27, 2026
    Active · clear
35. Aced It! Cooling & Heating

    Corona, CA · CSLB #1104648 · as of June 27, 2026
    Active · clear
36. Ace Furnace Company INC

    South San Francisco, CA · CSLB #235989 · as of June 27, 2026
    Active · clear
37. Ace Heating & Air Conditioning

    Porterville, CA · CSLB #1143320 · as of June 27, 2026
    Active · clear
38. Ace Heating & Air Conditioning

    Porterville, CA · CSLB #899816 · as of June 27, 2026
    Active · clear
39. Ace Heating & Air Conditioning INC

    San Mateo, CA · CSLB #794984 · as of June 27, 2026
    Active · clear
40. Ace Heating Air & Fireplaces LLC

    Orcutt, CA · CSLB #1083687 · as of June 27, 2026
    Active · clear
41. Ace Heating And Air

    Simi Valley, CA · CSLB #1107989 · as of June 27, 2026
    Active · clear
42. Ace Heating And Cooling

    Lancaster, CA · CSLB #1115254 · as of June 27, 2026
    Active · clear
43. John Walker Heating And Cooling INC DBA Ace Heating And Cooling

    Rocklin, CA · CSLB #482998 · as of June 27, 2026
    Active · clear
44. Ace - High Heating & Air Conditioning

    Los Angeles, CA · CSLB #954966 · as of June 27, 2026
    Active · clear
45. Ace Home Heating & Air Conditioning LLC

    Riverside, CA · CSLB #1039986 · as of June 27, 2026
    Active · clear
46. Ace Mechanical

    Ukiah, CA · CSLB #1098297 · as of June 27, 2026
    Active · clear
47. Ace Mechanical

    Gilroy, CA · CSLB #1046409 · as of June 27, 2026
    Active · clear
48. The Ace Mechanical Company

    Corona, CA · CSLB #1108183 · as of June 27, 2026
    Active · clear
49. The HVAC Specialists INC DBA Ace Mechanical Heating And Air

    Gardena, CA · CSLB #802982 · as of June 27, 2026
    Active · clear
50. A C Energy Systems INC

    Cardiff, CA · CSLB #737680 · as of June 27, 2026
    Active · clear
51. J & D Greenberg Enterprises INC DBA Ace Plumbing Heating & Air

    Sacramento, CA · CSLB #313506 · as of June 27, 2026
    Active · clear
52. Acer Mechanical INC

    Yorba Linda, CA · CSLB #1044877 · as of June 27, 2026
    Active · clear
53. Ace Rodil Heating And Air Conditioning

    Diamond Bar, CA · CSLB #631042 · as of June 27, 2026
    Active · clear
54. Aces Air

    San Jose, CA · CSLB #1048860 · as of June 27, 2026
    Active · clear
55. A/c Fast Solutions INC

    Fresno, CA · CSLB #1060980 · as of June 27, 2026
    Active · clear
56. Ac Flo HVAC LLC

    Riverside, CA · CSLB #1137951 · as of June 27, 2026
    Active · clear
57. A/c Geeks Heating & Cooling INC

    Los Angeles, CA · CSLB #1030399 · as of June 27, 2026
    Active · clear
58. Ac Geeks HVAC INC

    Calabasas, CA · CSLB #1114946 · as of June 27, 2026
    Active · clear
59. Ac Genius INC

    Tarzana, CA · CSLB #1002286 · as of June 27, 2026
    Active · clear
60. Ac Girl Heating & Air

    Folsom, CA · CSLB #900270 · as of June 27, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.