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 28, 2026.

Showing 1,081–1,140 of 8,999 contractors

1. Alpha Heating & Air Conditioning INC

   Playa Vista, CA · CSLB #711227 · as of June 28, 2026
   Active · clear
2. Alpha Heating & Cooling INC

   Madera, CA · CSLB #1130148 · as of June 28, 2026
   Active · clear
3. Alpha Repair INC DBA Alpha HVAC Repair And Installation

   Mission Viejo, CA · CSLB #1106714 · as of June 28, 2026
   Active · clear
4. Alpha Mechanical

   Fair Oaks, CA · CSLB #967727 · as of June 28, 2026
   Active · clear
5. Alpha Mechanical HVAC

   San Jose, CA · CSLB #914944 · as of June 28, 2026
   Active · clear
6. Alpha Plus Appliances Heating & Air Conditioning Services

   South San Francisco, CA · CSLB #998479 · as of June 28, 2026
   Active · clear
7. Alpha Refrigeration & A/c CO

   Cypress, CA · CSLB #524342 · as of June 28, 2026
   Active · clear
8. Alpine Air CO

   Granite Bay, CA · CSLB #778471 · as of June 28, 2026
   Active · clear
9. Alpine Air Conditioning And Heating

   Pioneer, CA · CSLB #714582 · as of June 28, 2026
   Active · clear
10. Alpine Heating & Air Conditioning

    Seal Beach, CA · CSLB #719734 · as of June 28, 2026
    Active · clear
11. Alpine Heating & Air Conditioning

    Plumas Lake, CA · CSLB #664609 · as of June 28, 2026
    Active · clear
12. Alpine Heating And Air Conditioning INC

    Shingle Springs, CA · CSLB #851552 · as of June 28, 2026
    Active · clear
13. Alpine Heating And Cooling INC

    Irvine, CA · CSLB #1129457 · as of June 28, 2026
    Active · clear
14. Alpine Mechanical Service Company INC

    Livermore, CA · CSLB #553780 · as of June 28, 2026
    Active · clear
15. Alpine MFG Group Incorporated

    Montebello, CA · CSLB #1008567 · as of June 28, 2026
    Active · clear
16. Alpine Plumbing And Rooter INC

    La Verne, CA · CSLB #1041244 · as of June 28, 2026
    Active · clear
17. Alpine Ref INC

    Cypress, CA · CSLB #1077305 · as of June 28, 2026
    Active · clear
18. Alpine Refrigeration

    Simi Valley, CA · CSLB #470041 · as of June 28, 2026
    Active · clear
19. Alpine Refrigeration Heating & Cooling

    Nipomo, CA · CSLB #860043 · as of June 28, 2026
    Active · clear
20. Alps Air Conditioning & Heating INC

    Anaheim, CA · CSLB #667953 · as of June 28, 2026
    Active · clear
21. Al's Mechanical INC

    Corona, CA · CSLB #1043988 · as of June 28, 2026
    Active · clear
22. Alt Ac

    Sacramento, CA · CSLB #1117946 · as of June 28, 2026
    Active · clear
23. Alta California H V A C

    Patterson, CA · CSLB #1023855 · as of June 28, 2026
    Active · clear
24. Alta Rancho Air - Conditioning & Heating CO

    Rancho Cucamonga, CA · CSLB #842084 · as of June 28, 2026
    Active · clear
25. Altered Air

    San Marcos, CA · CSLB #531080 · as of June 28, 2026
    Active · clear
26. Alternative Heating & Air

    Chico, CA · CSLB #947007 · as of June 28, 2026
    Active · clear
27. Alternative Heating And Air Conditioning Solutions INC

    San Carlos, CA · CSLB #967878 · as of June 28, 2026
    Active · clear
28. Alton Air Conditioning

    Dana Point, CA · CSLB #825144 · as of June 28, 2026
    Active · clear
29. Alton Air Conditioning & Heating INC

    Fremont, CA · CSLB #511296 · as of June 28, 2026
    Active · clear
30. Alturas Heating Ventilation & Air Conditioning

    Montebello, CA · CSLB #1022352 · as of June 28, 2026
    Active · clear
31. Alvakun Appliances

    North Hills, CA · CSLB #898108 · as of June 28, 2026
    Active · clear
32. Alvarado Heating And Air Conditioning

    Porterville, CA · CSLB #972946 · as of June 28, 2026
    Active · clear
33. Alvarez Air Conditioning & Heating

    Farmersville, CA · CSLB #614901 · as of June 28, 2026
    Active · clear
34. Pedro Mejia Alvarez

    Moreno Valley, CA · CSLB #715544 · as of June 28, 2026
    Active · clear
35. Alve Mechanical

    San Marcos, CA · CSLB #935043 · as of June 28, 2026
    Active · clear
36. Alvis Heating & Air Conditioning INC

    Oroville, CA · CSLB #779257 · as of June 28, 2026
    Active · clear
37. Alvo Heating And Cooling

    West Sacramento, CA · CSLB #1031079 · as of June 28, 2026
    Active · clear
38. Always Affordable Plumbing & HVAC

    Sacramento, CA · CSLB #1003782 · as of June 28, 2026
    Active · clear
39. Always Koolin

    Riverside, CA · CSLB #1142779 · as of June 28, 2026
    Active · clear
40. Amac HVAC INC

    Roseville, CA · CSLB #1046727 · as of June 28, 2026
    Active · clear
41. Raymond Amaro

    North Highlands, CA · CSLB #1085253 · as of June 28, 2026
    Active · clear
42. Amazing Air Comfort Solutions

    Ione, CA · CSLB #1142273 · as of June 28, 2026
    Active · clear
43. Amber Air Conditioning Company

    Lake Elsinore, CA · CSLB #319072 · as of June 28, 2026
    Active · clear
44. Amber Air Conditioning INC

    Lake Elsinore, CA · CSLB #621742 · as of June 28, 2026
    Active · clear
45. Ambient A/c & Heat

    Commerce, CA · CSLB #1016166 · as of June 28, 2026
    Active · clear
46. Ambient Air Conditioning & Heating

    El Centro, CA · CSLB #722071 · as of June 28, 2026
    Active · clear
47. Ambient Air Control Systems

    Alpine, CA · CSLB #840355 · as of June 28, 2026
    Active · clear
48. Ambient Air INC

    Discovery Bay, CA · CSLB #789422 · as of June 28, 2026
    Active · clear
49. Ambient Air LLC

    Hawthorne, CA · CSLB #951041 · as of June 28, 2026
    Active · clear
50. Ambient Air Solutions INC

    Sacramento, CA · CSLB #1116178 · as of June 28, 2026
    Active · clear
51. Ambient Cooling Services INC

    La Puente, CA · CSLB #1041110 · as of June 28, 2026
    Active · clear
52. Ambient Defiant Air Conditioning & Heating

    Bakersfield, CA · CSLB #1002369 · as of June 28, 2026
    Active · clear
53. International Energy Resources LLC DBA Ambient Experts HVAC

    Oakland, CA · CSLB #1049324 · as of June 28, 2026
    Active · clear
54. Ambient Heating & Air Conditioning

    San Diego, CA · CSLB #856050 · as of June 28, 2026
    Active · clear
55. Ambient Heating And Air

    Livermore, CA · CSLB #837170 · as of June 28, 2026
    Active · clear
56. Ambient Heating And Air Conditioning

    Oceanside, CA · CSLB #1073232 · as of June 28, 2026
    Active · clear
57. Amc Heating & Air Conditioning/construction

    Cameron Park, CA · CSLB #1153186 · as of June 28, 2026
    Active · clear
58. A & M Cooling And Heating INC

    Pioneer, CA · CSLB #945587 · as of June 28, 2026
    Active · clear
59. A Mechanical Heating & Air INC

    Buena Park, CA · CSLB #1034818 · as of June 28, 2026
    Active · clear
60. Ameduri Heating & Air Conditioning INC

    Glendora, CA · CSLB #1032139 · as of June 28, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 28, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.