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 3,481–3,540 of 8,936 contractors

1. Fast Call HVAC Service

   Riverside, CA · CSLB #1032613 · as of October 8, 2026
   Active · clear
2. Fast Tech Heating & Cooling INC

   Lake Mathews, CA · CSLB #1066989 · as of October 8, 2026
   Active · clear
3. Fastway Heating & Air INC

   Newhall, CA · CSLB #968158 · as of October 8, 2026
   Active · clear
4. Fay Heating And Air Services

   Menifee, CA · CSLB #1070815 · as of October 8, 2026
   Active · clear
5. Fccs INC

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

   Pacoima, CA · CSLB #1031614 · as of October 8, 2026
   Active · clear
7. Fedra Heating And Air Conditioning

   Torrance, CA · CSLB #968565 · as of October 8, 2026
   Active · clear
8. Feel The Air Heating And Air Conditioning

   San Bernardino, CA · CSLB #883600 · as of October 8, 2026
   Active · clear
9. Elachkar And Son LLC DBA Fenco A Heating And Air Conditioning

   Placentia, CA · CSLB #981094 · as of October 8, 2026
   Active · clear
10. Ferny HVAC

    Pomona, CA · CSLB #1130787 · as of October 8, 2026
    Active · clear
11. Pete Fer & Son Plumbing And Supply CO

    San Pedro, CA · CSLB #247442 · as of October 8, 2026
    Active · clear
12. Ferreira Service INC

    Acton, CA · CSLB #375085 · as of October 8, 2026
    Active · clear
13. Ferreira's Heating And Air Conditioning INC

    Concord, CA · CSLB #1031063 · as of October 8, 2026
    Active · clear
14. Ferris Heating And Air INC

    Truckee, CA · CSLB #611930 · as of October 8, 2026
    Active · clear
15. Fertado Heating & Air

    Oakley, CA · CSLB #792474 · as of October 8, 2026
    Active · clear
16. F H A Services Incorporated

    Apple Valley, CA · CSLB #703618 · as of October 8, 2026
    Active · clear
17. Fidelis Mechanical INC

    Fontana, CA · CSLB #1097935 · as of October 8, 2026
    Active · clear
18. Figueroa Heating & Air Conditioning

    Santa Ana, CA · CSLB #944975 · as of October 8, 2026
    Active · clear
19. Figueroa's Heating And Air

    Sacramento, CA · CSLB #932047 · as of October 8, 2026
    Active · clear
20. Figueroa Two Brothers Association INC

    Indio, CA · CSLB #1144147 · as of October 8, 2026
    Active · clear
21. Fil - Am Mechanical Contractor

    Sacramento, CA · CSLB #966773 · as of October 8, 2026
    Active · clear
22. Fillmore Air Conditioning And Heating INC

    Fillmore, CA · CSLB #701370 · as of October 8, 2026
    Active · clear
23. Fime HVAC

    El Monte, CA · CSLB #1160246 · as of October 8, 2026
    Active · clear
24. Fine Air Heating And Cooling

    Pasadena, CA · CSLB #1091770 · as of October 8, 2026
    Active · clear
25. Finest Heating & Air INC

    Pleasanton, CA · CSLB #1098613 · as of October 8, 2026
    Active · clear
26. Finishline Air

    Laguna Niguel, CA · CSLB #576261 · as of October 8, 2026
    Active · clear
27. Finley Systems Heating & Air

    Boulder Creek, CA · CSLB #861054 · as of October 8, 2026
    Active · clear
28. Fire Air Conditioning LLC

    Santa Clarita, CA · CSLB #1144553 · as of October 8, 2026
    Active · clear
29. Fire And Ice Heating & Air

    Colusa, CA · CSLB #883128 · as of October 8, 2026
    Active · clear
30. Fire & Ice Heating & Air Cond

    Simi Valley, CA · CSLB #672716 · as of October 8, 2026
    Active · clear
31. Fire & Ice Heating & Air Conditioning INC

    Lakeside, CA · CSLB #679038 · as of October 8, 2026
    Active · clear
32. Fire & Ice HVAC INC

    Vacaville, CA · CSLB #1078316 · as of October 8, 2026
    Active · clear
33. Fire & Ice INC

    Monterey, CA · CSLB #1017412 · as of October 8, 2026
    Active · clear
34. Fire-n-ice

    Corona, CA · CSLB #832106 · as of October 8, 2026
    Active · clear
35. First Aid HVAC Eng Corp

    West Hollywood, CA · CSLB #1157314 · as of October 8, 2026
    Active · clear
36. First Air Heating And A/c Service

    San Jose, CA · CSLB #766283 · as of October 8, 2026
    Active · clear
37. First And Last Heating & Air

    Stockton, CA · CSLB #1079765 · as of October 8, 2026
    Active · clear
38. First Appliance Service INC

    Woodland Hills, CA · CSLB #938447 · as of October 8, 2026
    Active · clear
39. First Call Heating & Air Conditioning INC

    Patterson, CA · CSLB #1113649 · as of October 8, 2026
    Active · clear
40. First Choice A / C & Heating INC

    Palm Desert, CA · CSLB #968138 · as of October 8, 2026
    Active · clear
41. First Choice Heating & Air Conditioning

    Benicia, CA · CSLB #1057544 · as of October 8, 2026
    Active · clear
42. First Class Climate

    El Cajon, CA · CSLB #1160008 · as of October 8, 2026
    Active · clear
43. First Class Comfort HVAC LLC

    Fullerton, CA · CSLB #1141174 · as of October 8, 2026
    Active · clear
44. First Class Heating & Air Conditioning INC

    Redlands, CA · CSLB #860692 · as of October 8, 2026
    Active · clear
45. First Class Plumbing & Rooter Services INC

    Riverside, CA · CSLB #1076022 · as of October 8, 2026
    Active · clear
46. First Gen Air INC

    Perris, CA · CSLB #1091015 · as of October 8, 2026
    Active · clear
47. First Response Air Conditioning & Heating INC

    Yorba Linda, CA · CSLB #1038351 · as of October 8, 2026
    Active · clear
48. First Response Services

    Jamul, CA · CSLB #836723 · as of October 8, 2026
    Active · clear
49. First Service Air Conditioning & Heating

    Bonsall, CA · CSLB #1117199 · as of October 8, 2026
    Active · clear
50. Fisher Air Heating & Air Conditioning Services

    Brea, CA · CSLB #519630 · as of October 8, 2026
    Active · clear
51. Fisher HVAC Mechanical

    Bellflower, CA · CSLB #1026522 · as of October 8, 2026
    Active · clear
52. Fisher Mechanical INC

    Lancaster, CA · CSLB #1049242 · as of October 8, 2026
    Active · clear
53. Fitting Mechanical

    Grass Valley, CA · CSLB #844553 · as of October 8, 2026
    Active · clear
54. Fitzgerald Plumbing Service Company

    Anaheim, CA · CSLB #1129622 · as of October 8, 2026
    Active · clear
55. Fitzpatrick's Heating INC

    Fairfax, CA · CSLB #371959 · as of October 8, 2026
    Active · clear
56. A Five Star Heating & Cooling

    Sacramento, CA · CSLB #565558 · as of October 8, 2026
    Active · clear
57. Five Star HVAC Service

    Concord, CA · CSLB #1145024 · as of October 8, 2026
    Active · clear
58. Five Star HVAC SVC CO

    Ramona, CA · CSLB #1041120 · as of October 8, 2026
    Active · clear
59. Fix Air

    Riverside, CA · CSLB #797428 · as of October 8, 2026
    Active · clear
60. Fixair Comfort INC

    Northridge, CA · CSLB #1142606 · 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.