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 1,141–1,200 of 8,936 contractors

1. American Air Concepts INC

   Perris, CA · CSLB #1105192 · as of October 7, 2026
   Active · clear
2. American Air Conditioning And Heating

   Blythe, CA · CSLB #912920 · as of October 7, 2026
   Active · clear
3. American Air Conditioning CO

   Sacramento, CA · CSLB #973415 · as of October 7, 2026
   Active · clear
4. American Air Conditioning Company

   Pinole, CA · CSLB #877604 · as of October 7, 2026
   Active · clear
5. American Air Control LLC

   Corona, CA · CSLB #1158383 · as of October 7, 2026
   Active · clear
6. American Airflow Heating & Air INC

   Moreno Valley, CA · CSLB #1144383 · as of October 7, 2026
   Active · clear
7. American Air INC

   French Camp, CA · CSLB #955821 · as of October 7, 2026
   Active · clear
8. American Air Plus

   Rancho Santa Margarita, CA · CSLB #482491 · as of October 7, 2026
   Active · clear
9. American All Star Heating And Air Conditioning

   Harbor City, CA · CSLB #1132463 · as of October 7, 2026
   Active · clear
10. American Best Appliance

    North Hollywood, CA · CSLB #838610 · as of October 7, 2026
    Active · clear
11. American Building Comfort Services INC

    Oxnard, CA · CSLB #888126 · as of October 7, 2026
    Active · clear
12. American Clean Air & Heating

    Burbank, CA · CSLB #951542 · as of October 7, 2026
    Active · clear
13. American Coast Heating & Cooling

    Gilroy, CA · CSLB #1090972 · as of October 7, 2026
    Active · clear
14. American Comfort Air INC

    Yorba Linda, CA · CSLB #1109499 · as of October 7, 2026
    Active · clear
15. American Comfort Control

    Los Angeles, CA · CSLB #990958 · as of October 7, 2026
    Active · clear
16. American Comfort Heating & Air Conditioning

    Atwater, CA · CSLB #905447 · as of October 7, 2026
    Active · clear
17. American Comfort Heating & Air LLC

    Lincoln, CA · CSLB #1105497 · as of October 7, 2026
    Active · clear
18. American Comfort Services

    El Cajon, CA · CSLB #1031066 · as of October 7, 2026
    Active · open complaint
19. American Cool Heat Air & Commercial Refrigeration INC

    Palm Desert, CA · CSLB #1031858 · as of October 7, 2026
    Active · clear
20. American Cooling

    Riverside, CA · CSLB #1120469 · as of October 7, 2026
    Active · clear
21. American Crown Heating And Air LLC

    Panorama City, CA · CSLB #1160941 · as of October 7, 2026
    Active · clear
22. American Dream Services

    Bakersfield, CA · CSLB #962999 · as of October 7, 2026
    Active · clear
23. American Energy Home Pro's

    Loomis, CA · CSLB #1083187 · as of October 7, 2026
    Active · clear
24. American Heating & A/c Corp

    Simi Valley, CA · CSLB #1013426 · as of October 7, 2026
    Active · clear
25. American Heating Air

    Sacramento, CA · CSLB #1008931 · as of October 7, 2026
    Active · clear
26. American Heating & Air LLC

    Santa Rosa, CA · CSLB #1092310 · as of October 7, 2026
    Active · clear
27. American Heating And Air Conditioning

    Yorba Linda, CA · CSLB #613921 · as of October 7, 2026
    Active · clear
28. American Heating And Cooling

    Penryn, CA · CSLB #901015 · as of October 7, 2026
    Active · clear
29. American Heating & Cooling

    Mission Viejo, CA · CSLB #830243 · as of October 7, 2026
    Active · clear
30. American Heating & Cooling

    Camarillo, CA · CSLB #1002200 · as of October 7, 2026
    Active · clear
31. American Home Heating & Air

    Lake Forest, CA · CSLB #803837 · as of October 7, 2026
    Active · clear
32. American HVAC Design & Consulting INC

    Porter Ranch, CA · CSLB #1138773 · as of October 7, 2026
    Active · clear
33. American HVAC Technology

    San Marcos, CA · CSLB #1149594 · as of October 7, 2026
    Active · clear
34. American Mechanical

    Tujunga, CA · CSLB #726884 · as of October 7, 2026
    Active · clear
35. American Mechanical Systems

    Santa Clara, CA · CSLB #1157483 · as of October 7, 2026
    Active · clear
36. American Plumbing & Heating

    Riverside, CA · CSLB #461900 · as of October 7, 2026
    Active · clear
37. American Plumbing Heating & Air Conditioning

    Oceanside, CA · CSLB #869690 · as of October 7, 2026
    Active · clear
38. American Plumbing & Leak Detection INC

    Corona, CA · CSLB #1058474 · as of October 7, 2026
    Active · clear
39. American Precision Heating And Air

    Rancho Cordova, CA · CSLB #1113125 · as of October 7, 2026
    Active · clear
40. American Premier Heating & Air Conditioning

    Sylmar, CA · CSLB #971942 · as of October 7, 2026
    Active · clear
41. American Refrigeration & Air Conditioning

    Roseville, CA · CSLB #1087178 · as of October 7, 2026
    Active · clear
42. American Sheet Metal & Mechanical

    San Leandro, CA · CSLB #1130767 · as of October 7, 2026
    Active · clear
43. American Spring Heating & Cooling INC

    North Hollywood, CA · CSLB #959492 · as of October 7, 2026
    Active · clear
44. American Standards Heating & Air

    Sacramento, CA · CSLB #845319 · as of October 7, 2026
    Active · clear
45. American Team Services

    Northridge, CA · CSLB #779328 · as of October 7, 2026
    Active · clear
46. American Titan Heating & Air INC

    San Ysidro, CA · CSLB #1150630 · as of October 7, 2026
    Active · clear
47. American We Can Trust Air Conditioning And Heat

    Panorama City, CA · CSLB #1157753 · as of October 7, 2026
    Active · clear
48. America's Air Conditioning & Heating INC

    Loma Linda, CA · CSLB #1148149 · as of October 7, 2026
    Active · clear
49. Americas Air Corp

    Rosemead, CA · CSLB #1100921 · as of October 7, 2026
    Active · clear
50. America's Climate Heating & Air Conditioning INC

    Chino Hills, CA · CSLB #1160026 · as of October 7, 2026
    Active · clear
51. America's Pride Heating And Air Conditioning

    San Pedro, CA · CSLB #1114667 · as of October 7, 2026
    Active · clear
52. Ameri-conditioning Mechanical Systems

    Boulevard, CA · CSLB #1080846 · as of October 7, 2026
    Active · clear
53. Americool Comfort

    San Jose, CA · CSLB #1149725 · as of October 7, 2026
    Active · clear
54. Ameri - Mex Plumbing INC

    Chula Vista, CA · CSLB #691102 · as of October 7, 2026
    Active · clear
55. Ameripro Air

    Rowland Heights, CA · CSLB #1135483 · as of October 7, 2026
    Active · clear
56. Richard Amezcua HVAC

    Indio, CA · CSLB #488900 · as of October 7, 2026
    Active · clear
57. A & M Heating & Air Conditioning

    Monrovia, CA · CSLB #742975 · as of October 7, 2026
    Active · clear
58. Am Heating & Air INC

    Carlsbad, CA · CSLB #1077225 · as of October 7, 2026
    Active · clear
59. Amigo Air INC

    Santa Maria, CA · CSLB #1116878 · as of October 7, 2026
    Active · clear
60. Amigo Mechanical INC

    Winchester, CA · CSLB #1137584 · 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.