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 7, 2026.

Showing 1,081–1,140 of 8,936 contractors

1. Alpine Heating & Air Conditioning

   Seal Beach, CA · CSLB #719734 · as of October 7, 2026
   Active · clear
2. Alpine Heating And Air

   Pittsburg, CA · CSLB #1157947 · as of October 7, 2026
   Active · clear
3. Alpine Heating And Air Conditioning INC

   Shingle Springs, CA · CSLB #851552 · as of October 7, 2026
   Active · clear
4. Alpine Heating And Cooling INC

   Irvine, CA · CSLB #1129457 · as of October 7, 2026
   Active · clear
5. Alpine Mechanical Service Company INC

   Livermore, CA · CSLB #553780 · as of October 7, 2026
   Active · clear
6. Alpine MFG Group Incorporated

   Montebello, CA · CSLB #1008567 · as of October 7, 2026
   Active · clear
7. Alpine Plumbing And Rooter INC

   La Verne, CA · CSLB #1041244 · as of October 7, 2026
   Active · clear
8. Alpine Ref INC

   Cypress, CA · CSLB #1077305 · as of October 7, 2026
   Active · clear
9. Alpine Refrigeration

   Simi Valley, CA · CSLB #470041 · as of October 7, 2026
   Active · clear
10. Alpine Refrigeration Heating & Cooling

    Nipomo, CA · CSLB #860043 · as of October 7, 2026
    Active · clear
11. Alps Air Conditioning & Heating INC

    Anaheim, CA · CSLB #667953 · as of October 7, 2026
    Active · clear
12. Al's Mechanical INC

    Corona, CA · CSLB #1043988 · as of October 7, 2026
    Active · clear
13. Alt Ac

    Sacramento, CA · CSLB #1117946 · as of October 7, 2026
    Active · clear
14. Alta California H V A C

    Patterson, CA · CSLB #1023855 · as of October 7, 2026
    Active · clear
15. Alta Rancho Air - Conditioning & Heating CO

    Rancho Cucamonga, CA · CSLB #842084 · as of October 7, 2026
    Active · clear
16. Altered Air

    San Marcos, CA · CSLB #531080 · as of October 7, 2026
    Active · clear
17. Alternative Heating & Air

    Chico, CA · CSLB #947007 · as of October 7, 2026
    Active · clear
18. Alternative Heating And Air Conditioning Solutions INC

    San Carlos, CA · CSLB #967878 · as of October 7, 2026
    Active · clear
19. Alton Air Conditioning

    Dana Point, CA · CSLB #825144 · as of October 7, 2026
    Active · clear
20. Alturas Heating Ventilation & Air Conditioning

    Montebello, CA · CSLB #1022352 · as of October 7, 2026
    Active · clear
21. Alvakun Appliances

    North Hills, CA · CSLB #898108 · as of October 7, 2026
    Active · clear
22. Alvarado Heating And Air Conditioning

    Porterville, CA · CSLB #972946 · as of October 7, 2026
    Active · clear
23. Pedro Mejia Alvarez

    Moreno Valley, CA · CSLB #715544 · as of October 7, 2026
    Active · clear
24. Alve Mechanical

    San Marcos, CA · CSLB #935043 · as of October 7, 2026
    Active · clear
25. Alvis Heating & Air Conditioning INC

    Oroville, CA · CSLB #779257 · as of October 7, 2026
    Active · clear
26. Alvo Heating And Cooling

    West Sacramento, CA · CSLB #1031079 · as of October 7, 2026
    Active · clear
27. Always Affordable Plumbing & HVAC

    Sacramento, CA · CSLB #1003782 · as of October 7, 2026
    Active · clear
28. Always On-point Heating & Air Conditioning

    Perris, CA · CSLB #1129680 · as of October 7, 2026
    Active · clear
29. Amac HVAC INC

    Roseville, CA · CSLB #1046727 · as of October 7, 2026
    Active · clear
30. Raymond Amaro

    North Highlands, CA · CSLB #1085253 · as of October 7, 2026
    Active · clear
31. Amazing Air Comfort Solutions

    Ione, CA · CSLB #1142273 · as of October 7, 2026
    Active · clear
32. Amber Air Conditioning Company

    Lake Elsinore, CA · CSLB #319072 · as of October 7, 2026
    Active · clear
33. Amber Air Conditioning INC

    Lake Elsinore, CA · CSLB #621742 · as of October 7, 2026
    Active · clear
34. Ambient A/c & Heat

    Commerce, CA · CSLB #1016166 · as of October 7, 2026
    Active · clear
35. Ambient Air Conditioning & Heating

    El Centro, CA · CSLB #722071 · as of October 7, 2026
    Active · clear
36. Ambient Air Control Systems

    Alpine, CA · CSLB #840355 · as of October 7, 2026
    Active · clear
37. Ambient Air INC

    Discovery Bay, CA · CSLB #789422 · as of October 7, 2026
    Active · clear
38. Ambient Air LLC

    Hawthorne, CA · CSLB #951041 · as of October 7, 2026
    Active · clear
39. Ambient Air Solutions INC

    Sacramento, CA · CSLB #1116178 · as of October 7, 2026
    Active · clear
40. Ambient Cooling Services INC

    La Puente, CA · CSLB #1041110 · as of October 7, 2026
    Active · clear
41. International Energy Resources LLC DBA Ambient Experts HVAC

    Oakland, CA · CSLB #1049324 · as of October 7, 2026
    Active · clear
42. Ambient Heating & Air Conditioning

    San Diego, CA · CSLB #856050 · as of October 7, 2026
    Active · clear
43. Ambient Heating And Air

    Livermore, CA · CSLB #837170 · as of October 7, 2026
    Active · clear
44. Ambient Heating And Air Conditioning

    Oceanside, CA · CSLB #1073232 · as of October 7, 2026
    Active · clear
45. Ambition Air Conditioning

    Tempe, CA · CSLB #1162116 · as of October 7, 2026
    Active · clear
46. Amc Heating & Air Conditioning/construction

    Cameron Park, CA · CSLB #1153186 · as of October 7, 2026
    Active · clear
47. A & M Cooling And Heating INC

    Pioneer, CA · CSLB #945587 · as of October 7, 2026
    Active · clear
48. A Mechanical Heating & Air INC

    Buena Park, CA · CSLB #1034818 · as of October 7, 2026
    Active · clear
49. Ameduri Heating & Air Conditioning INC

    Glendora, CA · CSLB #1032139 · as of October 7, 2026
    Active · clear
50. A M E Heating & Air Conditioning

    Hayward, CA · CSLB #744499 · as of October 7, 2026
    Active · clear
51. Ame Mechanical INC

    Fremont, CA · CSLB #973132 · as of October 7, 2026
    Active · clear
52. Amen Air

    Cathedral City, CA · CSLB #727563 · as of October 7, 2026
    Active · clear
53. Raymond Kim DBA Amercon California

    Anaheim, CA · CSLB #933155 · as of October 7, 2026
    Active · clear
54. Ameri Air Conditioning And Heating

    San Bernardino, CA · CSLB #1011115 · as of October 7, 2026
    Active · clear
55. America Advance Tech

    Sacramento, CA · CSLB #787097 · as of October 7, 2026
    Active · clear
56. America Heating And Air Conditioning

    San Diego, CA · CSLB #975037 · as of October 7, 2026
    Active · clear
57. American Ace Plumbing And Drain

    San Diego, CA · CSLB #974726 · as of October 7, 2026
    Active · clear
58. American Air Advance INC

    Whittier, CA · CSLB #1161531 · as of October 7, 2026
    Active · clear
59. American Air Advance Management LLC

    Whittier, CA · CSLB #1156971 · as of October 7, 2026
    Active · clear
60. American Air Balance CO LLC

    Anaheim, CA · CSLB #583562 · as of October 7, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.