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 1,741–1,800 of 8,999 contractors

1. Blueair Services

   Elk Grove, CA · CSLB #1107839 · as of June 28, 2026
   Active · clear
2. Blue Angel Mechanical Heating And Air Conditioning

   Stockton, CA · CSLB #874618 · as of June 28, 2026
   Active · clear
3. Bluebay Mechanical

   San Diego, CA · CSLB #1148556 · as of June 28, 2026
   Active · clear
4. Blueberry Air

   North Hollywood, CA · CSLB #1110024 · as of June 28, 2026
   Active · clear
5. Blue Bird Climate Solutions INC

   Murrieta, CA · CSLB #1145985 · as of June 28, 2026
   Active · clear
6. Bluebird Plumbing And Hydronics INC

   South Lake Tahoe, CA · CSLB #872859 · as of June 28, 2026
   Active · clear
7. Blue Coast Heating And Air Conditioning

   Gilroy, CA · CSLB #1039824 · as of June 28, 2026
   Active · clear
8. Blue Collar Comfort INC

   Santa Rosa, CA · CSLB #1156259 · as of June 28, 2026
   Active · clear
9. Blue Collar Heating And Air

   Lathrop, CA · CSLB #1051497 · as of June 28, 2026
   Active · clear
10. Blue Collar HVAC Mechanical INC

    Imperial Beach, CA · CSLB #1085024 · as of June 28, 2026
    Active · clear
11. Blue Diamond Heating And Air

    El Cajon, CA · CSLB #1060725 · as of June 28, 2026
    Active · clear
12. Blue Flame Heating And Air-conditioning

    El Cajon, CA · CSLB #1073975 · as of June 28, 2026
    Active · clear
13. Blue Flame HVAC

    Costa Mesa, CA · CSLB #1096440 · as of June 28, 2026
    Active · clear
14. Blue Forge Climate Solutions INC

    Sacramento, CA · CSLB #1146138 · as of June 28, 2026
    Active · clear
15. Blue Grip Squad INC

    Pomona, CA · CSLB #978154 · as of June 28, 2026
    Active · clear
16. Blue Line Heating And Air

    Citrus Heights, CA · CSLB #1064564 · as of June 28, 2026
    Active · clear
17. Blue Line HVAC

    Thousand Palms, CA · CSLB #1083557 · as of June 28, 2026
    Active · clear
18. Blueman Air INC

    Sacramento, CA · CSLB #1151126 · as of June 28, 2026
    Active · clear
19. Blue Mechanical Heating & Air Conditioning Corp

    Mission Viejo, CA · CSLB #1119853 · as of June 28, 2026
    Active · clear
20. Blue Oak Heating & Cooling INC

    Santa Rosa, CA · CSLB #1090301 · as of June 28, 2026
    Active · clear
21. Blue Pacific Heating & Air

    Vacaville, CA · CSLB #911388 · as of June 28, 2026
    Active · clear
22. Blue Skies Heating And Air Conditioning

    Alpine, CA · CSLB #815195 · as of June 28, 2026
    Active · clear
23. Bluesky Mechanical Heating & Air Conditioning

    Rancho Cucamonga, CA · CSLB #1141587 · as of June 28, 2026
    Active · clear
24. Blue Star Heating & Air Conditioning INC

    Antioch, CA · CSLB #880647 · as of June 28, 2026
    Active · clear
25. Blue Tiger Heating & Ac

    Lake Elsinore, CA · CSLB #1016793 · as of June 28, 2026
    Active · clear
26. Blue Whale Heating & Air

    Bakersfield, CA · CSLB #1127441 · as of June 28, 2026
    Active · clear
27. Blu Heating And Air

    National City, CA · CSLB #1000747 · as of June 28, 2026
    Active · clear
28. B.m.a HVAC INC

    Littlerock, CA · CSLB #1114804 · as of June 28, 2026
    Active · clear
29. B & M Air And Heating INC

    Los Angeles, CA · CSLB #1002632 · as of June 28, 2026
    Active · clear
30. B & M Air Conditioning

    Palm Springs, CA · CSLB #685811 · as of June 28, 2026
    Active · clear
31. B M D Technologies

    Encino, CA · CSLB #611852 · as of June 28, 2026
    Active · clear
32. BMD Technologies INC

    Encino, CA · CSLB #740872 · as of June 28, 2026
    Active · clear
33. BMS Mechanical

    Thermal, CA · CSLB #1154185 · as of June 28, 2026
    Active · clear
34. BNH HVAC & Refrigeration Corp

    Elk Grove, CA · CSLB #1155124 · as of June 28, 2026
    Active · clear
35. BNH Mechanical LLC

    Modesto, CA · CSLB #1069992 · as of June 28, 2026
    Active · clear
36. Boa Mechanical Services

    San Jose, CA · CSLB #982928 · as of June 28, 2026
    Active · clear
37. Boardwalk Heating And Air INC

    Mission Viejo, CA · CSLB #1029478 · as of June 28, 2026
    Active · clear
38. Bob Jenson Air Conditioning INC

    San Diego, CA · CSLB #340838 · as of June 28, 2026
    Active · clear
39. Bob & Marc Plumbing CO

    Torrance, CA · CSLB #689679 · as of June 28, 2026
    Active · clear
40. Bob's Air Repair

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

    Barstow, CA · CSLB #994151 · as of June 28, 2026
    Active · clear
42. Bob's Heating

    South Lake Tahoe, CA · CSLB #657794 · as of June 28, 2026
    Active · clear
43. Bob's Heating And Air Solutions INC

    Eureka, CA · CSLB #1013094 · as of June 28, 2026
    Active · clear
44. Boden Plumbing INC

    Sonoma, CA · CSLB #659920 · as of June 28, 2026
    Active · clear
45. Bodnar Heating & Air Conditioning INC

    Redwood City, CA · CSLB #444468 · as of June 28, 2026
    Active · clear
46. Richard Boessler

    San Juan Capistrano, CA · CSLB #751994 · as of June 28, 2026
    Active · clear
47. Bogner HVAC

    Freedom, CA · CSLB #511651 · as of June 28, 2026
    Active · clear
48. Bogners All Air Corp

    Scotts Valley, CA · CSLB #988233 · as of June 28, 2026
    Active · clear
49. Bolanos Heating And Air Conditioning

    San Jose, CA · CSLB #1124531 · as of June 28, 2026
    Active · clear
50. Boles Heating & Air Conditioning Sheet Metal

    Hopland, CA · CSLB #835036 · as of June 28, 2026
    Active · clear
51. Bolt Mechanical

    Colfax, CA · CSLB #562241 · as of June 28, 2026
    Active · clear
52. Bolton Air Conditioning And Heating

    Lake Elsinore, CA · CSLB #813650 · as of June 28, 2026
    Active · clear
53. Bolton Mechanical

    Moreno Valley, CA · CSLB #558650 · as of June 28, 2026
    Active · clear
54. Boming Air INC

    Norco, CA · CSLB #1088287 · as of June 28, 2026
    Active · clear
55. Boming Li

    Norco, CA · CSLB #1084064 · as of June 28, 2026
    Active · clear
56. Bonafide Mechanical INC

    La Habra Heights, CA · CSLB #1035480 · as of June 28, 2026
    Active · clear
57. Bon Air Services

    San Francisco, CA · CSLB #821851 · as of June 28, 2026
    Active · clear
58. Bonanza Heating & Air Conditioning

    Santa Clara, CA · CSLB #647616 · as of June 28, 2026
    Active · clear
59. Bonded Filter CO LLC

    Nashville, CA · CSLB #985551 · as of June 28, 2026
    Active · clear
60. Bon Heating & Cooling

    Rancho Cordova, CA · CSLB #1023188 · 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.