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 1,861–1,920 of 8,936 contractors

1. Brock Heating & Air INC

   Rosamond, CA · CSLB #1043688 · as of October 7, 2026
   Active · clear
2. Brockman Air & Services

   Palm Desert, CA · CSLB #1102970 · as of October 7, 2026
   Active · clear
3. Brody Pennell Heating & Air Conditioning

   Los Angeles, CA · CSLB #256821 · as of October 7, 2026
   Active · clear
4. Bronco Heating & Air

   Torrance, CA · CSLB #886627 · as of October 7, 2026
   Active · clear
5. Bronco Plumbing Heating And Air

   Roseville, CA · CSLB #900045 · as of October 7, 2026
   Active · clear
6. Bronson Heating And Air LLC

   Spring Valley, CA · CSLB #1132530 · as of October 7, 2026
   Active · clear
7. Brontide Heating And Cooling

   Perris, CA · CSLB #1106536 · as of October 7, 2026
   Active · clear
8. Brooks And Done Mechanical LLC

   Ione, CA · CSLB #1097739 · as of October 7, 2026
   Active · clear
9. Brooksher Industries INC

   Hesperia, CA · CSLB #1014259 · as of October 7, 2026
   Active · clear
10. Brother's Heating & Air INC

    Birds Landing, CA · CSLB #1159066 · as of October 7, 2026
    Active · clear
11. Brothers HVAC Corp

    City Of Industry, CA · CSLB #1093112 · as of October 7, 2026
    Active · clear
12. Brothers Of Thunder INC

    Norwalk, CA · CSLB #1070326 · as of October 7, 2026
    Active · clear
13. G E Brown Service INC

    Jamul, CA · CSLB #762239 · as of October 7, 2026
    Active · clear
14. Brown Heating & Air Conditioning

    Mound House, CA · CSLB #923330 · as of October 7, 2026
    Active · clear
15. John Brown Heating & Air

    Twin Peaks, CA · CSLB #659960 · as of October 7, 2026
    Active · clear
16. Brown Mechanical

    Meadow Vista, CA · CSLB #897850 · as of October 7, 2026
    Active · clear
17. Brown Mechanical Services

    Lake Forest, CA · CSLB #1097001 · as of October 7, 2026
    Active · clear
18. Brown's Heating And Air INC

    Sacramento, CA · CSLB #909425 · as of October 7, 2026
    Active · clear
19. Brrr Air Conditioning-heating

    Tustin, CA · CSLB #876408 · as of October 7, 2026
    Active · clear
20. Bruce Mechanical INC

    Santa Cruz, CA · CSLB #779291 · as of October 7, 2026
    Active · clear
21. Joe Brunclik INC

    Lomita, CA · CSLB #530022 · as of October 7, 2026
    Active · clear
22. Bryan Heating & Air Conditioning

    Corona, CA · CSLB #850434 · as of October 7, 2026
    Active · clear
23. Bryan Martinez

    Reseda, CA · CSLB #1160763 · as of October 7, 2026
    Active · clear
24. Bryan Refrigeration And Air Conditioning LLC

    Huntington Beach, CA · CSLB #645686 · as of October 7, 2026
    Active · clear
25. Bryan's Heating & Air Conditioning

    Nevada City, CA · CSLB #893283 · as of October 7, 2026
    Active · clear
26. Bryant Heating & Air Conditioning

    Monrovia, CA · CSLB #948151 · as of October 7, 2026
    Active · clear
27. Brymax Mechanical

    Huntington Beach, CA · CSLB #1030208 · as of October 7, 2026
    Active · clear
28. B Squared Heating And Air

    Ramona, CA · CSLB #1125510 · as of October 7, 2026
    Active · clear
29. B S R

    Gardnerville, CA · CSLB #621362 · as of October 7, 2026
    Active · clear
30. BTC Air Conditioning & Heating INC

    Pico Rivera, CA · CSLB #624122 · as of October 7, 2026
    Active · clear
31. B T Heating And Air

    Browns Valley, CA · CSLB #1097843 · as of October 7, 2026
    Active · clear
32. B T U Heating & Air Conditioning

    Upland, CA · CSLB #522680 · as of October 7, 2026
    Active · clear
33. Buchanan's Service INC

    Nuevo, CA · CSLB #524882 · as of October 7, 2026
    Active · clear
34. Buckland Refrigeration INC

    San Diego, CA · CSLB #1020209 · as of October 7, 2026
    Active · clear
35. Buckley Air Conditioning & Heating

    Clovis, CA · CSLB #848526 · as of October 7, 2026
    Active · clear
36. Buckley Heat & Air, Solar

    Citrus Heights, CA · CSLB #558980 · as of October 7, 2026
    Active · clear
37. Buckley Heating & Air Conditioning INC

    Cotati, CA · CSLB #628812 · as of October 7, 2026
    Active · clear
38. Richard R Buck

    Clovis, CA · CSLB #988846 · as of October 7, 2026
    Active · clear
39. Budget Air Conditioning & Heating

    Grand Terrace, CA · CSLB #966033 · as of October 7, 2026
    Active · clear
40. Budget-air INC

    Bakersfield, CA · CSLB #1078196 · as of October 7, 2026
    Active · clear
41. Budget Refrigeration & Air Conditioning

    Rancho Cordova, CA · CSLB #1117954 · as of October 7, 2026
    Active · clear
42. Buds Heating & Air

    Sonora, CA · CSLB #1050993 · as of October 7, 2026
    Active · clear
43. Bud's Plumbing And Heating LLC

    Rancho Cordova, CA · CSLB #1124020 · as of October 7, 2026
    Active · clear
44. Builder's Tech Heating & Air Conditioning

    Chula Vista, CA · CSLB #881981 · as of October 7, 2026
    Active · clear
45. Building Aire INC

    Huntington Beach, CA · CSLB #987514 · as of October 7, 2026
    Active · clear
46. Building Automation Solutions

    Santa Clara, CA · CSLB #827523 · as of October 7, 2026
    Active · clear
47. Building Automation Systems Incorporated

    Costa Mesa, CA · CSLB #807246 · as of October 7, 2026
    Active · clear
48. Building Automation Technologies INC

    Lake Elsinore, CA · CSLB #765894 · as of October 7, 2026
    Active · clear
49. Building Mechanical & Controls Service INC

    Tracy, CA · CSLB #1008746 · as of October 7, 2026
    Active · clear
50. Built HVAC INC

    Shingle Springs, CA · CSLB #1135009 · as of October 7, 2026
    Active · clear
51. Bullseye Mechanical INC

    Citrus Heights, CA · CSLB #991522 · as of October 7, 2026
    Active · clear
52. Bun's HVAC Services INC

    Modesto, CA · CSLB #1121613 · as of October 7, 2026
    Active · clear
53. Burbank HVAC

    Sun Valley, CA · CSLB #985443 · as of October 7, 2026
    Active · clear
54. Burchett's Heating & Cooling

    Cloverdale, CA · CSLB #902117 · as of October 7, 2026
    Active · clear
55. Burgess Heating And Air INC

    Lancaster, CA · CSLB #1071398 · as of October 7, 2026
    Active · clear
56. Burgos Air Conditioning & Heating INC

    Hanford, CA · CSLB #897721 · as of October 7, 2026
    Active · clear
57. Burkell Plumbing INC

    Sausalito, CA · CSLB #417360 · as of October 7, 2026
    Active · clear
58. Burlingame Heating And Ventilation INC

    Hayward, CA · CSLB #414631 · as of October 7, 2026
    Active · clear
59. Burridge Air

    Huntington Beach, CA · CSLB #930700 · as of October 7, 2026
    Active · clear
60. Burton Heating And Air

    Santa Rosa, CA · CSLB #987575 · 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.