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 8, 2026.

Showing 4,501–4,560 of 8,936 contractors

1. Integrity Heating And Air INC

   Camarillo, CA · CSLB #1101279 · as of October 8, 2026
   Active · clear
2. Integrity Heating And Air LLC

   Chilcoot, CA · CSLB #1030532 · as of October 8, 2026
   Active · clear
3. Integrity Heating And Air Solutions

   Temecula, CA · CSLB #1157212 · as of October 8, 2026
   Active · clear
4. Integrity HVAC And Plumbing INC DBA Integrity HVAC

   Desert Hot Springs, CA · CSLB #1032397 · as of October 8, 2026
   Active · clear
5. Integrity H V A C CO

   Simi Valley, CA · CSLB #1050280 · as of October 8, 2026
   Active · clear
6. Integrity HVAC Services

   Orange, CA · CSLB #1106543 · as of October 8, 2026
   Active · clear
7. Integrity Mechanical

   San Diego, CA · CSLB #1054954 · as of October 8, 2026
   Active · clear
8. Integrity Mechanical Corporation

   Chino Hills, CA · CSLB #874247 · as of October 8, 2026
   Active · clear
9. Integrity Sheet Metal

   Napa, CA · CSLB #769852 · as of October 8, 2026
   Active · clear
10. Interior Comfort HVAC

    Morgan Hill, CA · CSLB #1108262 · as of October 8, 2026
    Active · clear
11. Interior Professional Heating And Air

    Murrieta, CA · CSLB #1035128 · as of October 8, 2026
    Active · clear
12. International Chemtex Norcal

    Lakeville, CA · CSLB #642354 · as of October 8, 2026
    Active · clear
13. Interstate Air Quality INC

    Riverside, CA · CSLB #711274 · as of October 8, 2026
    Active · clear
14. Intric Mechanical Systems

    Elk Grove, CA · CSLB #1125624 · as of October 8, 2026
    Active · clear
15. Intuit Mechanical Solutions INC

    Covina, CA · CSLB #1138206 · as of October 8, 2026
    Active · clear
16. George Ioannidis Heating And Air Conditioning

    Hesperia, CA · CSLB #650374 · as of October 8, 2026
    Active · clear
17. Iron Horse Heating & Air INC

    Redding, CA · CSLB #1148747 · as of October 8, 2026
    Active · clear
18. Iron Horse Heating And Cooling

    Livermore, CA · CSLB #1083103 · as of October 8, 2026
    Active · clear
19. Iron Horse Mechanical INC

    Gilbert, CA · CSLB #1145123 · as of October 8, 2026
    Active · clear
20. Irvin Air

    Paso Robles, CA · CSLB #1001316 · as of October 8, 2026
    Active · clear
21. Irvine Air

    Irvine, CA · CSLB #1070322 · as of October 8, 2026
    Active · clear
22. Irvine Air Conditioning & Refrigeration INC

    Irvine, CA · CSLB #1055309 · as of October 8, 2026
    Active · clear
23. Iskades Heating And Air

    Big Bear City, CA · CSLB #1072377 · as of October 8, 2026
    Active · clear
24. Island Air Service

    West Sacramento, CA · CSLB #1101357 · as of October 8, 2026
    Active · clear
25. Island Heating & Air Conditioning

    San Jose, CA · CSLB #820798 · as of October 8, 2026
    Active · clear
26. Island Style Heating And Air

    San Clemente, CA · CSLB #818984 · as of October 8, 2026
    Active · clear
27. Islas Heating & Cooling

    Menifee, CA · CSLB #1150164 · as of October 8, 2026
    Active · clear
28. Istructura LLC

    Long Beach, CA · CSLB #1157679 · as of October 8, 2026
    Active · clear
29. I - Tech Mechancial Contractor INC

    Los Angeles, CA · CSLB #965751 · as of October 8, 2026
    Active · clear
30. Itemp INC

    Van Nuys, CA · CSLB #1004150 · as of October 8, 2026
    Active · clear
31. Its Fixd Plumbing Heating & Air Services

    Oceanside, CA · CSLB #870474 · as of October 8, 2026
    Active · clear
32. It's No Sweat Heat & Air

    Moreno Valley, CA · CSLB #1058772 · as of October 8, 2026
    Active · clear
33. Iv Delta Tech LLC

    Holtville, CA · CSLB #1145236 · as of October 8, 2026
    Active · clear
34. Ivy Heating And Air INC

    Sacramento, CA · CSLB #1083618 · as of October 8, 2026
    Active · clear
35. Iwai Cooling And Heating

    Monrovia, CA · CSLB #778839 · as of October 8, 2026
    Active · clear
36. Izmirian Roofing & Sheet Metal

    San Mateo, CA · CSLB #277624 · as of October 8, 2026
    Active · clear
37. Jorge Ariel Acosta DBA Jaa 4 Mechanical

    Los Angeles, CA · CSLB #1056940 · as of October 8, 2026
    Active · clear
38. J & A Air Conditioning

    Los Angeles, CA · CSLB #809406 · as of October 8, 2026
    Active · clear
39. J A C

    Chino Hills, CA · CSLB #765922 · as of October 8, 2026
    Active · clear
40. Jac Heating And Air Conditioning

    Lompoc, CA · CSLB #1161121 · as of October 8, 2026
    Active · clear
41. Jack Frost Heating And Cooling INC

    Lake Elsinore, CA · CSLB #1036624 · as of October 8, 2026
    Active · clear
42. Jack's Butane Service INC

    Biola, CA · CSLB #405460 · as of October 8, 2026
    Active · clear
43. David Jackson

    Riverside, CA · CSLB #1045271 · as of October 8, 2026
    Active · clear
44. Dan Foster INC DBA Jackson & Foster Heating & A/c & Plumbing

    La Mesa, CA · CSLB #788983 · as of October 8, 2026
    Active · clear
45. Jackson Mechanical LLC

    Bonita, CA · CSLB #959061 · as of October 8, 2026
    Active · clear
46. Jackson's Heating & A/c

    Lakewood, CA · CSLB #1003464 · as of October 8, 2026
    Active · clear
47. Jacob's Air Conditioning

    Imperial, CA · CSLB #1061947 · as of October 8, 2026
    Active · clear
48. Jacobsen Heating And Air Conditioning

    La Mirada, CA · CSLB #982888 · as of October 8, 2026
    Active · clear
49. Jacob's Plumbing And Heating

    Orcutt, CA · CSLB #920686 · as of October 8, 2026
    Active · clear
50. Jaco Heating Air Conditioning & Refrigeration

    Lakeport, CA · CSLB #865698 · as of October 8, 2026
    Active · clear
51. J.adams Air Conditioning Heating And Plumbing Corp

    Riverside, CA · CSLB #1117777 · as of October 8, 2026
    Active · clear
52. Jaecin Heating And Cooling INC

    Sacramento, CA · CSLB #1057791 · as of October 8, 2026
    Active · clear
53. Jaguar Heating & Air INC

    Sacramento, CA · CSLB #989872 · as of October 8, 2026
    Active · clear
54. Ja HVAC

    Santa Barbara, CA · CSLB #1161460 · as of October 8, 2026
    Active · clear
55. J & A H V A C INC

    Burbank, CA · CSLB #1003423 · as of October 8, 2026
    Active · clear
56. Jaimes Heating And Air

    Stockton, CA · CSLB #1023282 · as of October 8, 2026
    Active · clear
57. Fernando Jaimes V

    Stockton, CA · CSLB #987986 · as of October 8, 2026
    Active · clear
58. Jake's Heating & Air

    Moreno Valley, CA · CSLB #1039786 · as of October 8, 2026
    Active · clear
59. Jaks HVAC Services

    Granada Hills, CA · CSLB #1160777 · as of October 8, 2026
    Active · clear
60. J A Mechanical

    San Jose, CA · CSLB #801947 · as of October 8, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.