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 30, 2026.

Showing 3,481–3,540 of 8,999 contractors

1. Fantastic Air Heating And Cooling

   Arleta, CA · CSLB #995058 · as of June 30, 2026
   Active · clear
2. Fassbender & Sons Heating & Air

   Tehachapi, CA · CSLB #865428 · as of June 30, 2026
   Active · clear
3. Fast Call HVAC Service

   Riverside, CA · CSLB #1032613 · as of June 30, 2026
   Active · clear
4. Fast Tech Heating & Cooling INC

   Lake Mathews, CA · CSLB #1066989 · as of June 30, 2026
   Active · clear
5. Fastway Heating & Air INC

   Newhall, CA · CSLB #968158 · as of June 30, 2026
   Active · clear
6. Fay Heating And Air Services

   Menifee, CA · CSLB #1070815 · as of June 30, 2026
   Active · clear
7. Fccs INC

   Granada Hills, CA · CSLB #1122280 · as of June 30, 2026
   Active · clear
8. F C F S Santana Air INC

   Pacoima, CA · CSLB #1031614 · as of June 30, 2026
   Active · clear
9. Fedra Heating And Air Conditioning

   Torrance, CA · CSLB #968565 · as of June 30, 2026
   Active · clear
10. Feel The Air Heating And Air Conditioning

    San Bernardino, CA · CSLB #883600 · as of June 30, 2026
    Active · clear
11. Elachkar And Son LLC DBA Fenco A Heating And Air Conditioning

    Placentia, CA · CSLB #981094 · as of June 30, 2026
    Active · clear
12. Fernando Valdez INC

    Westminster, CA · CSLB #1139629 · as of June 30, 2026
    Active · clear
13. Ferny HVAC

    Pomona, CA · CSLB #1130787 · as of June 30, 2026
    Active · clear
14. Pete Fer & Son Plumbing And Supply CO

    San Pedro, CA · CSLB #247442 · as of June 30, 2026
    Active · clear
15. Ferreira Service INC

    Acton, CA · CSLB #375085 · as of June 30, 2026
    Active · clear
16. Ferreira's Heating And Air Conditioning INC

    Concord, CA · CSLB #1031063 · as of June 30, 2026
    Active · clear
17. Ferris Heating And Air INC

    Truckee, CA · CSLB #611930 · as of June 30, 2026
    Active · clear
18. Fertado Heating & Air

    Oakley, CA · CSLB #792474 · as of June 30, 2026
    Active · clear
19. F H A Services Incorporated

    Apple Valley, CA · CSLB #703618 · as of June 30, 2026
    Active · clear
20. Fidelis Mechanical INC

    Fontana, CA · CSLB #1097935 · as of June 30, 2026
    Active · clear
21. Don Fields

    Huntington Beach, CA · CSLB #891901 · as of June 30, 2026
    Active · clear
22. Fig HVAC

    El Centro, CA · CSLB #1113174 · as of June 30, 2026
    Active · clear
23. Figueroa Heating & Air Conditioning

    Santa Ana, CA · CSLB #944975 · as of June 30, 2026
    Active · clear
24. Figueroa's Heating And Air

    Sacramento, CA · CSLB #932047 · as of June 30, 2026
    Active · clear
25. Figueroa Two Brothers Association INC

    Indio, CA · CSLB #1144147 · as of June 30, 2026
    Active · clear
26. Fil - Am Mechanical Contractor

    Sacramento, CA · CSLB #966773 · as of June 30, 2026
    Active · clear
27. Fillmore Air Conditioning And Heating INC

    Fillmore, CA · CSLB #701370 · as of June 30, 2026
    Active · clear
28. Fine Air Heating And Cooling

    Pasadena, CA · CSLB #1091770 · as of June 30, 2026
    Active · clear
29. Finest Heating & Air INC

    Pleasanton, CA · CSLB #1098613 · as of June 30, 2026
    Active · clear
30. Finishline Air

    Laguna Niguel, CA · CSLB #576261 · as of June 30, 2026
    Active · clear
31. Finley Systems Heating & Air

    Boulder Creek, CA · CSLB #861054 · as of June 30, 2026
    Active · clear
32. Fire Air Conditioning LLC

    Santa Clarita, CA · CSLB #1144553 · as of June 30, 2026
    Active · clear
33. Fire And Ice Heating & Air

    Colusa, CA · CSLB #883128 · as of June 30, 2026
    Active · clear
34. Fire & Ice Heating & Air Cond

    Simi Valley, CA · CSLB #672716 · as of June 30, 2026
    Active · clear
35. Fire & Ice Heating & Air Conditioning INC

    Lakeside, CA · CSLB #679038 · as of June 30, 2026
    Active · clear
36. Fire & Ice HVAC

    San Jose, CA · CSLB #1081332 · as of June 30, 2026
    Active · clear
37. Fire & Ice HVAC INC

    Vacaville, CA · CSLB #1078316 · as of June 30, 2026
    Active · clear
38. Fire & Ice INC

    Monterey, CA · CSLB #1017412 · as of June 30, 2026
    Active · clear
39. First Aid Appliance & HVAC Pro

    Valley Village, CA · CSLB #1008905 · as of June 30, 2026
    Active · clear
40. First Aid HVAC Eng Corp

    West Hollywood, CA · CSLB #1157314 · as of June 30, 2026
    Active · clear
41. First Air Heating And A/c Service

    San Jose, CA · CSLB #766283 · as of June 30, 2026
    Active · clear
42. First And Last Heating & Air

    Stockton, CA · CSLB #1079765 · as of June 30, 2026
    Active · clear
43. First Appliance Service INC

    Woodland Hills, CA · CSLB #938447 · as of June 30, 2026
    Active · clear
44. First Call Heating & Air Conditioning INC

    Patterson, CA · CSLB #1113649 · as of June 30, 2026
    Active · clear
45. First Choice A / C & Heating INC

    Palm Desert, CA · CSLB #968138 · as of June 30, 2026
    Active · clear
46. First Choice Heating & Air Conditioning

    Benicia, CA · CSLB #1057544 · as of June 30, 2026
    Active · clear
47. First Class Comfort HVAC LLC

    Fullerton, CA · CSLB #1141174 · as of June 30, 2026
    Active · clear
48. First Class Heating & Air Conditioning INC

    Redlands, CA · CSLB #860692 · as of June 30, 2026
    Active · clear
49. First Class Plumbing & Rooter Services INC

    Riverside, CA · CSLB #1076022 · as of June 30, 2026
    Active · clear
50. First Class Water Heaters INC

    Pittsburg, CA · CSLB #1024238 · as of June 30, 2026
    Active · clear
51. First Gen Air INC

    Perris, CA · CSLB #1091015 · as of June 30, 2026
    Active · clear
52. First Responder HVAC

    Yucaipa, CA · CSLB #1141634 · as of June 30, 2026
    Active · clear
53. First Response Air Conditioning & Heating INC

    Yorba Linda, CA · CSLB #1038351 · as of June 30, 2026
    Active · clear
54. First Response Services

    Jamul, CA · CSLB #836723 · as of June 30, 2026
    Active · clear
55. First Service Air Conditioning & Heating

    Bonsall, CA · CSLB #1117199 · as of June 30, 2026
    Active · clear
56. Fischer's Plumbing

    Martinez, CA · CSLB #909743 · as of June 30, 2026
    Active · clear
57. Fisher Air Heating & Air Conditioning Services

    Brea, CA · CSLB #519630 · as of June 30, 2026
    Active · clear
58. Fisher HVAC Mechanical

    Bellflower, CA · CSLB #1026522 · as of June 30, 2026
    Active · clear
59. Fisher Mechanical INC

    Lancaster, CA · CSLB #1049242 · as of June 30, 2026
    Active · clear
60. Steven E Fiske

    Los Angeles, CA · CSLB #919191 · as of June 30, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 30, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.