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 1,621–1,680 of 8,936 contractors

1. Bennett And Sons Heating And Air INC

   Paso Robles, CA · CSLB #946267 · as of October 7, 2026
   Active · clear
2. Benrich HVAC Services INC

   Costa Mesa, CA · CSLB #1098042 · as of October 7, 2026
   Active · clear
3. Ben ' S Air Conditioning

   Lancaster, CA · CSLB #939806 · as of October 7, 2026
   Active · clear
4. Ben's Heating & Air Conditioning

   Fresno, CA · CSLB #1145140 · as of October 7, 2026
   Active · clear
5. The Furnace Man INC DBA Berardi Mechanical

   Novato, CA · CSLB #1033310 · as of October 7, 2026
   Active · clear
6. Jules J Berck

   Hemet, CA · CSLB #996092 · as of October 7, 2026
   Active · clear
7. Berg Mechanical Partners

   Trabuco Canyon, CA · CSLB #982843 · as of October 7, 2026
   Active · clear
8. Berg's Heating And Service CO

   Pacifica, CA · CSLB #579582 · as of October 7, 2026
   Active · clear
9. Berkeley Heating And Air

   Westminster, CA · CSLB #1022630 · as of October 7, 2026
   Active · clear
10. Bernal Mechanical Services INC

    El Cajon, CA · CSLB #1107537 · as of October 7, 2026
    Active · clear
11. Bernard Air Mechanical

    Fresno, CA · CSLB #1140340 · as of October 7, 2026
    Active · clear
12. Bernardino's A/c & HTG

    Northridge, CA · CSLB #578422 · as of October 7, 2026
    Active · clear
13. Bernier Refrigeration Generations INC

    South El Monte, CA · CSLB #361835 · as of October 7, 2026
    Active · clear
14. John R Bertalot

    Vista, CA · CSLB #845112 · as of October 7, 2026
    Active · clear
15. Bertons Air Conditioning And Heating

    Orange, CA · CSLB #952751 · as of October 7, 2026
    Active · clear
16. Best Air Conditioning

    Bakersfield, CA · CSLB #1088507 · as of October 7, 2026
    Active · clear
17. Best Air Conditioning & Heating INC

    Orange, CA · CSLB #419737 · as of October 7, 2026
    Active · clear
18. Best Air Conditioning & Heating Systems INC

    San Pedro, CA · CSLB #1095453 · as of October 7, 2026
    Active · clear
19. Best Chance Heating And Cooling

    Santa Rosa, CA · CSLB #1107468 · as of October 7, 2026
    Active · clear
20. Best Choice Heating & Air INC

    Livingston, CA · CSLB #942614 · as of October 7, 2026
    Active · clear
21. Best Choice HVAC INC

    Sunland, CA · CSLB #976146 · as of October 7, 2026
    Active · clear
22. Best Coast HVAC

    Upland, CA · CSLB #1140079 · as of October 7, 2026
    Active · clear
23. Best Comfort Systems

    Northridge, CA · CSLB #958205 · as of October 7, 2026
    Active · clear
24. Best HVAC La INC

    Van Nuys, CA · CSLB #1130197 · as of October 7, 2026
    Active · clear
25. Best Mechanical INC

    Lancaster, CA · CSLB #1150037 · as of October 7, 2026
    Active · clear
26. Best Mechanical Solutions INC

    West Hills, CA · CSLB #1043065 · as of October 7, 2026
    Active · clear
27. Best Pro Air Conditioning & Heating

    Los Angeles, CA · CSLB #1132624 · as of October 7, 2026
    Active · clear
28. Best Quality Heating & Air INC

    Buena Park, CA · CSLB #949468 · as of October 7, 2026
    Active · clear
29. Best Results Heating & Air

    Merced, CA · CSLB #1136522 · as of October 7, 2026
    Active · clear
30. Best Tech Heating & Cooling

    Beaumont, CA · CSLB #1128225 · as of October 7, 2026
    Active · clear
31. Best Value Air Conditioning And Heating

    Temecula, CA · CSLB #876722 · as of October 7, 2026
    Active · clear
32. Better Air Solutions

    Lancaster, CA · CSLB #1145650 · as of October 7, 2026
    Active · clear
33. Better Air Systems

    San Marcos, CA · CSLB #977738 · as of October 7, 2026
    Active · clear
34. Better Choice Heating And Air

    Topock, CA · CSLB #580701 · as of October 7, 2026
    Active · clear
35. Better Living Heating And Air Conditioning

    Murrieta, CA · CSLB #1116130 · as of October 7, 2026
    Active · clear
36. Betzler Heating & Air Conditioning

    Tuolumne, CA · CSLB #815862 · as of October 7, 2026
    Active · clear
37. Beutler Air Conditioning & Plumbing

    Memphis, CA · CSLB #795540 · as of October 7, 2026
    Active · clear
38. Bevaire Mechanical INC

    La Verne, CA · CSLB #764799 · as of October 7, 2026
    Active · clear
39. Bevilles Air Conditioning And Heating Corporation

    Moreno Valley, CA · CSLB #967465 · as of October 7, 2026
    Active · clear
40. Beyond Comfort Solutions Heating & Air

    Manteca, CA · CSLB #1151411 · as of October 7, 2026
    Active · clear
41. Beyond Heating And Air INC

    Santa Barbara, CA · CSLB #999345 · as of October 7, 2026
    Active · clear
42. BG And Son HVAC INC

    Whittier, CA · CSLB #1160441 · as of October 7, 2026
    Active · clear
43. BG HVAC Service

    Woodland Hills, CA · CSLB #1137431 · as of October 7, 2026
    Active · clear
44. B Green Air

    Buena Park, CA · CSLB #1076217 · as of October 7, 2026
    Active · clear
45. B G'S Plumbing And Rooter

    San Bernardino, CA · CSLB #1044057 · as of October 7, 2026
    Active · clear
46. BH A/c & Mechanical

    Chino, CA · CSLB #1122092 · as of October 7, 2026
    Active · clear
47. B H Ac & Mechanical Corp

    Chino, CA · CSLB #1157567 · as of October 7, 2026
    Active · clear
48. BH Mechanical Heating And Air Conditioning

    Playa Del Rey, CA · CSLB #1159600 · as of October 7, 2026
    Active · clear
49. B & H Refrigeration Company

    Yuma, CA · CSLB #292776 · as of October 7, 2026
    Active · clear
50. Biagio's Air Conditioning / Heating

    Huntington Beach, CA · CSLB #762684 · as of October 7, 2026
    Active · clear
51. Bianchi Mechanical

    Santa Rosa, CA · CSLB #1070781 · as of October 7, 2026
    Active · clear
52. Biard & Crockett Plumbing,heating And Air Conditioning INC

    Orange, CA · CSLB #1077112 · as of October 7, 2026
    Active · clear
53. Big Air Heating And Air Conditioning

    Upland, CA · CSLB #1106129 · as of October 7, 2026
    Active · clear
54. Big Air Plumbing Heating & Cooling

    Rancho Cordova, CA · CSLB #1079790 · as of October 7, 2026
    Active · clear
55. Big Al's Heating & Air LLC

    Santa Rosa Valley, CA · CSLB #1150444 · as of October 7, 2026
    Active · clear
56. Big Bear Sheet Metal

    Big Bear Lake, CA · CSLB #704953 · as of October 7, 2026
    Active · clear
57. Big Ben's Heating & Air Conditioning

    San Jose, CA · CSLB #1048208 · as of October 7, 2026
    Active · clear
58. Big Cities Mechanical

    San Leandro, CA · CSLB #1055776 · as of October 7, 2026
    Active · clear
59. Big E Heating And Air INC

    Ventura, CA · CSLB #1155391 · as of October 7, 2026
    Active · clear
60. Big Heating & Air

    North Hollywood, CA · CSLB #1137826 · 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.