Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,995 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 July 1, 2026.

Showing 4,501–4,560 of 8,995 contractors

1. In N Out Air INC

   Glendale, CA · CSLB #981096 · as of July 1, 2026
   Active · clear
2. Innovation Heating & Air INC

   San Jose, CA · CSLB #1087301 · as of July 1, 2026
   Active · clear
3. Innovative Air Solutions INC

   Rialto, CA · CSLB #944389 · as of July 1, 2026
   Active · clear
4. Innovative Heating & Air Conditioning

   Santee, CA · CSLB #835368 · as of July 1, 2026
   Active · clear
5. Innovative Heating And Air LLC

   Oroville, CA · CSLB #1083180 · as of July 1, 2026
   Active · clear
6. Innovative Mechanical INC

   Belmont, CA · CSLB #468809 · as of July 1, 2026
   Active · clear
7. Innovative Mechanical Solutions INC

   Costa Mesa, CA · CSLB #1151422 · as of July 1, 2026
   Active · clear
8. Inrush Air

   Visalia, CA · CSLB #1144880 · as of July 1, 2026
   Active · clear
9. Instant Air Solutions INC

   Glendale, CA · CSLB #1116331 · as of July 1, 2026
   Active · clear
10. Instate P & E LLC

    San Diego, CA · CSLB #1151808 · as of July 1, 2026
    Active · clear
11. Integrated Air Solutions HVAC

    Lake Elsinore, CA · CSLB #1154939 · as of July 1, 2026
    Active · clear
12. Integrity Air Conditioning And Heating

    Antioch, CA · CSLB #700564 · as of July 1, 2026
    Active · clear
13. Integrity Air Conditioning And Heating INC

    Oakdale, CA · CSLB #982190 · as of July 1, 2026
    Active · clear
14. Integrity Airflow Solutions

    Lake Elsinore, CA · CSLB #1124006 · as of July 1, 2026
    Active · clear
15. Ia Team INC DBA Integrity Air Heating And Cooling Specialist

    Murrieta, CA · CSLB #1039609 · as of July 1, 2026
    Active · clear
16. Integrity Air INC

    Los Angeles, CA · CSLB #1148708 · as of July 1, 2026
    Active · clear
17. Integrity Comfort Systems

    Simi Valley, CA · CSLB #1014584 · as of July 1, 2026
    Active · clear
18. Integrity Heat And Air Conditioning

    Merced, CA · CSLB #1096511 · as of July 1, 2026
    Active · clear
19. Integrity Heating & Air Conditioning

    Yuba City, CA · CSLB #1105763 · as of July 1, 2026
    Active · clear
20. Integrity Heating, Air & Solar

    Anderson, CA · CSLB #750325 · as of July 1, 2026
    Active · clear
21. Integrity Heating And Air

    Palmdale, CA · CSLB #980700 · as of July 1, 2026
    Active · clear
22. Integrity Heating And Air Conditioning

    South Pasadena, CA · CSLB #566470 · as of July 1, 2026
    Active · clear
23. Integrity Heating And Air INC

    Camarillo, CA · CSLB #1101279 · as of July 1, 2026
    Active · clear
24. Integrity Heating And Air LLC

    Chilcoot, CA · CSLB #1030532 · as of July 1, 2026
    Active · clear
25. Integrity Heating And Air Solutions

    Temecula, CA · CSLB #1157212 · as of July 1, 2026
    Active · clear
26. Integrity HVAC And Plumbing INC DBA Integrity HVAC

    Desert Hot Springs, CA · CSLB #1032397 · as of July 1, 2026
    Active · clear
27. Integrity HVAC Services

    Orange, CA · CSLB #1106543 · as of July 1, 2026
    Active · clear
28. Integrity Mechanical

    San Diego, CA · CSLB #1054954 · as of July 1, 2026
    Active · clear
29. Integrity Mechanical Corporation

    Chino Hills, CA · CSLB #874247 · as of July 1, 2026
    Active · clear
30. Integrity Sheet Metal

    Napa, CA · CSLB #769852 · as of July 1, 2026
    Active · clear
31. Interior Comfort HVAC

    Morgan Hill, CA · CSLB #1108262 · as of July 1, 2026
    Active · clear
32. Interior Professional Heating And Air

    Murrieta, CA · CSLB #1035128 · as of July 1, 2026
    Active · clear
33. International Air

    Fresno, CA · CSLB #846926 · as of July 1, 2026
    Active · clear
34. International Chemtex Norcal

    Lakeville, CA · CSLB #642354 · as of July 1, 2026
    Active · clear
35. Interstate Air Quality INC

    Riverside, CA · CSLB #711274 · as of July 1, 2026
    Active · clear
36. Intric Mechanical Systems

    Elk Grove, CA · CSLB #1125624 · as of July 1, 2026
    Active · clear
37. Intuit Mechanical Solutions INC

    Covina, CA · CSLB #1138206 · as of July 1, 2026
    Active · clear
38. George Ioannidis Heating And Air Conditioning

    Hesperia, CA · CSLB #650374 · as of July 1, 2026
    Active · clear
39. I-on Mechanical INC

    Gilroy, CA · CSLB #976992 · as of July 1, 2026
    Active · clear
40. Iqair Clean Air Team Corporation

    La Mirada, CA · CSLB #923823 · as of July 1, 2026
    Active · clear
41. Iqair North America INC

    La Mirada, CA · CSLB #1156230 · as of July 1, 2026
    Active · clear
42. Iron Horse Heating & Air INC

    Redding, CA · CSLB #1148747 · as of July 1, 2026
    Active · clear
43. Iron Horse Heating And Cooling

    Livermore, CA · CSLB #1083103 · as of July 1, 2026
    Active · clear
44. Iron Horse Mechanical INC

    Gilbert, CA · CSLB #1145123 · as of July 1, 2026
    Active · clear
45. Irvin Air

    Paso Robles, CA · CSLB #1001316 · as of July 1, 2026
    Active · clear
46. Irvine Air

    Irvine, CA · CSLB #1070322 · as of July 1, 2026
    Active · clear
47. Irvine Air Conditioning & Refrigeration INC

    Irvine, CA · CSLB #1055309 · as of July 1, 2026
    Active · clear
48. Iskades Heating And Air

    Big Bear City, CA · CSLB #1072377 · as of July 1, 2026
    Active · clear
49. Island Air Service

    West Sacramento, CA · CSLB #1101357 · as of July 1, 2026
    Active · clear
50. Island Heating & Air Conditioning

    San Jose, CA · CSLB #820798 · as of July 1, 2026
    Active · clear
51. Island Style Heating And Air

    San Clemente, CA · CSLB #818984 · as of July 1, 2026
    Active · clear
52. Islas Heating & Cooling

    Menifee, CA · CSLB #1150164 · as of July 1, 2026
    Active · clear
53. I - Tech Mechancial Contractor INC

    Los Angeles, CA · CSLB #965751 · as of July 1, 2026
    Active · clear
54. Itemp INC

    Van Nuys, CA · CSLB #1004150 · as of July 1, 2026
    Active · clear
55. Its Fixd Plumbing Heating & Air Services

    Oceanside, CA · CSLB #870474 · as of July 1, 2026
    Active · clear
56. It's No Sweat Heat & Air

    Moreno Valley, CA · CSLB #1058772 · as of July 1, 2026
    Active · clear
57. Iv Delta Tech LLC

    Holtville, CA · CSLB #1145236 · as of July 1, 2026
    Active · clear
58. Iv Seasons HVAC

    La Verne, CA · CSLB #393678 · as of July 1, 2026
    Active · clear
59. Ivy Heating And Air INC

    Sacramento, CA · CSLB #1083618 · as of July 1, 2026
    Active · clear
60. Iwai Cooling And Heating

    Monrovia, CA · CSLB #778839 · as of July 1, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 1, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.