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 1,741–1,800 of 8,936 contractors

1. Blue Mechanical Heating & Air Conditioning Corp

   Mission Viejo, CA · CSLB #1119853 · as of October 7, 2026
   Active · clear
2. Blue Nile Air Condition INC

   Palos Verdes Peninsula, CA · CSLB #767415 · as of October 7, 2026
   Active · clear
3. Blue Oak Heating & Cooling INC

   Santa Rosa, CA · CSLB #1090301 · as of October 7, 2026
   Active · clear
4. Blue Pacific Heating & Air

   Vacaville, CA · CSLB #911388 · as of October 7, 2026
   Active · clear
5. Blue Rhino Air INC

   Culver City, CA · CSLB #1160748 · as of October 7, 2026
   Active · clear
6. Blue Skies Heating And Air Conditioning

   Alpine, CA · CSLB #815195 · as of October 7, 2026
   Active · clear
7. Bluesky Heating And Air

   Fairfield, CA · CSLB #1158490 · as of October 7, 2026
   Active · clear
8. Blue SKY Heating And Cooling Solutions

   Lancaster, CA · CSLB #1161193 · as of October 7, 2026
   Active · clear
9. Blue SKY Mechanical Heating & Air Conditioning

   Fresno, CA · CSLB #1105539 · as of October 7, 2026
   Active · clear
10. Bluesky Mechanical Heating & Air Conditioning

    Rancho Cucamonga, CA · CSLB #1141587 · as of October 7, 2026
    Active · clear
11. Blue Star Heating & Air Conditioning INC

    Antioch, CA · CSLB #880647 · as of October 7, 2026
    Active · clear
12. Blue Tiger Heating & Ac

    Lake Elsinore, CA · CSLB #1016793 · as of October 7, 2026
    Active · clear
13. Blue Whale Heating & Air

    Bakersfield, CA · CSLB #1127441 · as of October 7, 2026
    Active · clear
14. Blu Heating And Air

    National City, CA · CSLB #1000747 · as of October 7, 2026
    Active · clear
15. B.m.a HVAC INC

    Littlerock, CA · CSLB #1114804 · as of October 7, 2026
    Active · clear
16. B & M Air And Heating INC

    Los Angeles, CA · CSLB #1002632 · as of October 7, 2026
    Active · clear
17. B & M Air Conditioning

    Palm Springs, CA · CSLB #685811 · as of October 7, 2026
    Active · clear
18. B M D Technologies

    Encino, CA · CSLB #611852 · as of October 7, 2026
    Active · clear
19. BMD Technologies INC

    Encino, CA · CSLB #740872 · as of October 7, 2026
    Active · clear
20. BMS Mechanical

    Thermal, CA · CSLB #1154185 · as of October 7, 2026
    Active · clear
21. BNH HVAC & Refrigeration Corp

    Elk Grove, CA · CSLB #1155124 · as of October 7, 2026
    Active · clear
22. BNH Mechanical LLC

    Modesto, CA · CSLB #1069992 · as of October 7, 2026
    Active · clear
23. Boa Mechanical Services

    San Jose, CA · CSLB #982928 · as of October 7, 2026
    Active · clear
24. Boardwalk Heating And Air INC

    Mission Viejo, CA · CSLB #1029478 · as of October 7, 2026
    Active · clear
25. Bob Jenson Air Conditioning INC

    San Diego, CA · CSLB #340838 · as of October 7, 2026
    Active · clear
26. Bob & Marc Plumbing CO

    Torrance, CA · CSLB #689679 · as of October 7, 2026
    Active · clear
27. Bob's Air Repair

    Chico, CA · CSLB #834289 · as of October 7, 2026
    Active · clear
28. Bob's Cooling And Heating

    Barstow, CA · CSLB #994151 · as of October 7, 2026
    Active · clear
29. Bob's Heating

    South Lake Tahoe, CA · CSLB #657794 · as of October 7, 2026
    Active · clear
30. Bob's Heating And Air Solutions INC

    Eureka, CA · CSLB #1013094 · as of October 7, 2026
    Active · clear
31. Boden Plumbing INC

    Sonoma, CA · CSLB #659920 · as of October 7, 2026
    Active · clear
32. Bodnar Heating & Air Conditioning INC

    Redwood City, CA · CSLB #444468 · as of October 7, 2026
    Active · clear
33. Richard Boessler

    San Juan Capistrano, CA · CSLB #751994 · as of October 7, 2026
    Active · clear
34. Bogner HVAC

    Freedom, CA · CSLB #511651 · as of October 7, 2026
    Active · clear
35. Bogners All Air Corp

    Scotts Valley, CA · CSLB #988233 · as of October 7, 2026
    Active · clear
36. Bolanos Heating And Air Conditioning

    San Jose, CA · CSLB #1124531 · as of October 7, 2026
    Active · clear
37. Boles Heating & Air Conditioning Sheet Metal

    Hopland, CA · CSLB #835036 · as of October 7, 2026
    Active · clear
38. Bolt Mechanical

    Colfax, CA · CSLB #562241 · as of October 7, 2026
    Active · clear
39. Bolton Air Conditioning And Heating

    Lake Elsinore, CA · CSLB #813650 · as of October 7, 2026
    Active · clear
40. Bolton Mechanical

    Moreno Valley, CA · CSLB #558650 · as of October 7, 2026
    Active · clear
41. Boming Air INC

    Norco, CA · CSLB #1088287 · as of October 7, 2026
    Active · clear
42. Boming Li

    Norco, CA · CSLB #1084064 · as of October 7, 2026
    Active · clear
43. Bonafide Mechanical INC

    La Habra Heights, CA · CSLB #1035480 · as of October 7, 2026
    Active · clear
44. Bon Air Services

    San Francisco, CA · CSLB #821851 · as of October 7, 2026
    Active · clear
45. Bonanza Heating & Air Conditioning

    Santa Clara, CA · CSLB #647616 · as of October 7, 2026
    Active · clear
46. Bonded Filter CO LLC

    Nashville, CA · CSLB #985551 · as of October 7, 2026
    Active · clear
47. Bon Heating & Cooling

    Rancho Cordova, CA · CSLB #1023188 · as of October 7, 2026
    Active · clear
48. Bonillas Mechanical

    Covina, CA · CSLB #787387 · as of October 7, 2026
    Active · clear
49. Bonus Heating And Air

    West Hollywood, CA · CSLB #1003959 · as of October 7, 2026
    Active · clear
50. Bonus HVAC LLC

    West Hollywood, CA · CSLB #1091761 · as of October 7, 2026
    Active · clear
51. Boon's Heating & Air

    Stockton, CA · CSLB #1030561 · as of October 7, 2026
    Active · clear
52. Boosted HVAC Solutions

    Bonita, CA · CSLB #1158432 · as of October 7, 2026
    Active · clear
53. Boost Services Heating And Cooling

    Reseda, CA · CSLB #1119892 · as of October 7, 2026
    Active · clear
54. Borrego Ac & Heating

    Indio, CA · CSLB #1042724 · as of October 7, 2026
    Active · clear
55. Bos Sheet Metal INC

    Sacramento, CA · CSLB #254689 · as of October 7, 2026
    Active · clear
56. Boss Mechanical

    Richmond, CA · CSLB #802730 · as of October 7, 2026
    Active · clear
57. Botellos Boys Heating And Air LLC

    Los Angeles, CA · CSLB #1058060 · as of October 7, 2026
    Active · clear
58. Bouchey's Heat & Air Cond

    Escondido, CA · CSLB #723013 · as of October 7, 2026
    Active · clear
59. John A Boudreau Plumbing And Heating INC

    Redwood City, CA · CSLB #182224 · as of October 7, 2026
    Active · clear
60. Bouma Air Conditioning & Heating INC

    Chino, CA · CSLB #750146 · 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.