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 1,141–1,200 of 8,999 contractors

1. A M E Heating & Air Conditioning

   Hayward, CA · CSLB #744499 · as of June 28, 2026
   Active · clear
2. Ame Mechanical INC

   Fremont, CA · CSLB #973132 · as of June 28, 2026
   Active · clear
3. Amen Air

   Cathedral City, CA · CSLB #727563 · as of June 28, 2026
   Active · clear
4. Raymond Kim DBA Amercon California

   Anaheim, CA · CSLB #933155 · as of June 28, 2026
   Active · clear
5. Ameri Air Conditioning And Heating

   San Bernardino, CA · CSLB #1011115 · as of June 28, 2026
   Active · clear
6. America Advance Tech

   Sacramento, CA · CSLB #787097 · as of June 28, 2026
   Active · clear
7. America First Mechanical

   Murrieta, CA · CSLB #1134337 · as of June 28, 2026
   Active · clear
8. America Heating And Air Conditioning

   San Diego, CA · CSLB #975037 · as of June 28, 2026
   Active · clear
9. American Ace Plumbing And Drain

   San Diego, CA · CSLB #974726 · as of June 28, 2026
   Active · clear
10. American Air Advance Management LLC

    Whittier, CA · CSLB #1156971 · as of June 28, 2026
    Active · clear
11. American Air Balance CO LLC

    Anaheim, CA · CSLB #583562 · as of June 28, 2026
    Active · clear
12. American Air Concepts INC

    Perris, CA · CSLB #1105192 · as of June 28, 2026
    Active · clear
13. American Air Conditioning And Heating

    Blythe, CA · CSLB #912920 · as of June 28, 2026
    Active · clear
14. American Air Conditioning CO

    Sacramento, CA · CSLB #973415 · as of June 28, 2026
    Active · clear
15. American Air Conditioning Company

    Pinole, CA · CSLB #877604 · as of June 28, 2026
    Active · clear
16. American Airflow Heating & Air INC

    Moreno Valley, CA · CSLB #1144383 · as of June 28, 2026
    Active · clear
17. American Air Heating & Cooling

    San Pedro, CA · CSLB #1061108 · as of June 28, 2026
    Active · clear
18. American Air INC

    French Camp, CA · CSLB #955821 · as of June 28, 2026
    Active · clear
19. American Air Plus

    Rancho Santa Margarita, CA · CSLB #482491 · as of June 28, 2026
    Active · clear
20. American Air Works

    Simi Valley, CA · CSLB #578963 · as of June 28, 2026
    Active · clear
21. American Alliance H V A C Services INC

    Irvine, CA · CSLB #988042 · as of June 28, 2026
    Active · clear
22. American All Star Heating And Air Conditioning

    Harbor City, CA · CSLB #1132463 · as of June 28, 2026
    Active · clear
23. American Best Appliance

    North Hollywood, CA · CSLB #838610 · as of June 28, 2026
    Active · clear
24. American Building Comfort Services INC

    Oxnard, CA · CSLB #888126 · as of June 28, 2026
    Active · clear
25. American Clean Air & Heating

    Burbank, CA · CSLB #951542 · as of June 28, 2026
    Active · clear
26. American Coast Heating & Cooling

    Gilroy, CA · CSLB #1090972 · as of June 28, 2026
    Active · clear
27. American Comfort Air INC

    Yorba Linda, CA · CSLB #1109499 · as of June 28, 2026
    Active · clear
28. American Comfort Heating & Air Conditioning

    Atwater, CA · CSLB #905447 · as of June 28, 2026
    Active · clear
29. American Comfort Heating & Air LLC

    Lincoln, CA · CSLB #1105497 · as of June 28, 2026
    Active · clear
30. American Cool Heat Air & Commercial Refrigeration INC

    Palm Desert, CA · CSLB #1031858 · as of June 28, 2026
    Active · clear
31. American Cooling

    Riverside, CA · CSLB #1120469 · as of June 28, 2026
    Active · clear
32. American Dream Services

    Bakersfield, CA · CSLB #962999 · as of June 28, 2026
    Active · clear
33. American Eagle Services

    Orange, CA · CSLB #754111 · as of June 28, 2026
    Active · clear
34. American Energy Home Pro's

    Loomis, CA · CSLB #1083187 · as of June 28, 2026
    Active · clear
35. American Heating & A/c Corp

    Simi Valley, CA · CSLB #1013426 · as of June 28, 2026
    Active · clear
36. American Heating & Air LLC

    Santa Rosa, CA · CSLB #1092310 · as of June 28, 2026
    Active · clear
37. American Heating And Air Conditioning

    Yorba Linda, CA · CSLB #613921 · as of June 28, 2026
    Active · clear
38. American Heating And Cooling

    Penryn, CA · CSLB #901015 · as of June 28, 2026
    Active · clear
39. American Heating & Cooling

    Camarillo, CA · CSLB #1002200 · as of June 28, 2026
    Active · clear
40. American Home Heating & Air

    Lake Forest, CA · CSLB #803837 · as of June 28, 2026
    Active · clear
41. American HVAC Design & Consulting INC

    Porter Ranch, CA · CSLB #1138773 · as of June 28, 2026
    Active · clear
42. American HVAC Technology

    San Marcos, CA · CSLB #1149594 · as of June 28, 2026
    Active · clear
43. American Mechanical

    Tujunga, CA · CSLB #726884 · as of June 28, 2026
    Active · clear
44. American Plumbing & Heating

    Riverside, CA · CSLB #461900 · as of June 28, 2026
    Active · clear
45. American Plumbing Heating & Air Conditioning

    Oceanside, CA · CSLB #869690 · as of June 28, 2026
    Active · clear
46. American Plumbing & Leak Detection INC

    Corona, CA · CSLB #1058474 · as of June 28, 2026
    Active · clear
47. American Precision Heating And Air

    Rancho Cordova, CA · CSLB #1113125 · as of June 28, 2026
    Active · clear
48. American Premier Heating & Air Conditioning

    Sylmar, CA · CSLB #971942 · as of June 28, 2026
    Active · clear
49. American Sheet Metal & Mechanical

    San Leandro, CA · CSLB #1130767 · as of June 28, 2026
    Active · clear
50. American Spring Heating & Cooling INC

    North Hollywood, CA · CSLB #959492 · as of June 28, 2026
    Active · clear
51. American Standards Heating & Air

    Sacramento, CA · CSLB #845319 · as of June 28, 2026
    Active · clear
52. American Team Services

    Northridge, CA · CSLB #779328 · as of June 28, 2026
    Active · clear
53. American Titan Heating & Air INC

    San Ysidro, CA · CSLB #1150630 · as of June 28, 2026
    Active · clear
54. America's Air Conditioning & Heating INC

    Loma Linda, CA · CSLB #1148149 · as of June 28, 2026
    Active · clear
55. Americas Air Corp

    Rosemead, CA · CSLB #1100921 · as of June 28, 2026
    Active · clear
56. America's Pride Heating And Air Conditioning

    San Pedro, CA · CSLB #1114667 · as of June 28, 2026
    Active · clear
57. Ameri-conditioning Mechanical Systems

    Boulevard, CA · CSLB #1080846 · as of June 28, 2026
    Active · clear
58. Americool Comfort

    San Jose, CA · CSLB #1149725 · as of June 28, 2026
    Active · clear
59. Ameri - Mex Plumbing INC

    Chula Vista, CA · CSLB #691102 · as of June 28, 2026
    Active · clear
60. Ameripro Air

    Rowland Heights, CA · CSLB #1135483 · 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.