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 3,601–3,660 of 8,936 contractors

1. Franco's Mechanical

   Windsor, CA · CSLB #962011 · as of October 8, 2026
   Active · clear
2. Franco's Plumbing Heating & A/c

   Fresno, CA · CSLB #1007876 · as of October 8, 2026
   Active · clear
3. Allan Frank Plumbing Heating Cooling

   Long Beach, CA · CSLB #765467 · as of October 8, 2026
   Active · clear
4. Franklin Air Conditioning & Heating CO INC

   Garden Grove, CA · CSLB #453606 · as of October 8, 2026
   Active · clear
5. Franklin Heating And Air Conditioning

   San Dimas, CA · CSLB #1046848 · as of October 8, 2026
   Active · clear
6. Franklin Mechanical Systems INC

   Beaumont, CA · CSLB #761887 · as of October 8, 2026
   Active · clear
7. Franklin & Vizzo Plumbing INC

   Ventura, CA · CSLB #389926 · as of October 8, 2026
   Active · clear
8. Frank's Fuel Oils & Heating

   Dunsmuir, CA · CSLB #664160 · as of October 8, 2026
   Active · clear
9. Frank's Heating And Refrigeration

   Brookings, CA · CSLB #881176 · as of October 8, 2026
   Active · clear
10. Frank's Quality Air INC

    Stockton, CA · CSLB #1029159 · as of October 8, 2026
    Active · clear
11. Thomas Frank

    Fresno, CA · CSLB #838511 · as of October 8, 2026
    Active · clear
12. Frausty Air Conditioning & Heating INC

    Lakewood, CA · CSLB #1102577 · as of October 8, 2026
    Active · clear
13. Fred Cold INC

    Burbank, CA · CSLB #1008646 · as of October 8, 2026
    Active · clear
14. Freds Heating & Air Conditioning INC

    Sylmar, CA · CSLB #1032258 · as of October 8, 2026
    Active · clear
15. Free Air Mechanical INC

    Escondido, CA · CSLB #1010747 · as of October 8, 2026
    Active · clear
16. Freedom Heating And Air Conditioning

    Lake Elsinore, CA · CSLB #1056708 · as of October 8, 2026
    Active · clear
17. Freedom Heating And Air Conditioning

    Martinez, CA · CSLB #674517 · as of October 8, 2026
    Active · clear
18. Freedom Heating And Cooling

    Jamul, CA · CSLB #1052619 · as of October 8, 2026
    Active · clear
19. Freedom Heating INC

    Freedom, CA · CSLB #784864 · as of October 8, 2026
    Active · clear
20. Freedom Mechanical Solutions INC

    Morongo Valley, CA · CSLB #1098840 · as of October 8, 2026
    Active · clear
21. Freelance HVAC INC

    Sacramento, CA · CSLB #1103129 · as of October 8, 2026
    Active · clear
22. Freeman Heating And Air Conditioning

    Chico, CA · CSLB #695302 · as of October 8, 2026
    Active · clear
23. Freese Heating And Air

    Hayward, CA · CSLB #1000627 · as of October 8, 2026
    Active · clear
24. James French Mechanical

    Wildomar, CA · CSLB #1023141 · as of October 8, 2026
    Active · clear
25. Freon And Fire

    Fresno, CA · CSLB #1136562 · as of October 8, 2026
    Active · clear
26. Freonx

    Burbank, CA · CSLB #1073468 · as of October 8, 2026
    Active · clear
27. Fresco HVAC Solutions

    Visalia, CA · CSLB #1141014 · as of October 8, 2026
    Active · clear
28. Fresh Air A/c & Heating

    Whittier, CA · CSLB #1050380 · as of October 8, 2026
    Active · clear
29. Fresh Air Conditioning & Heating INC

    Sylmar, CA · CSLB #1052230 · as of October 8, 2026
    Active · clear
30. Fresh Air & Heating

    Huntington Beach, CA · CSLB #793932 · as of October 8, 2026
    Active · clear
31. Fresh Air Mechanical

    Santee, CA · CSLB #1104661 · as of October 8, 2026
    Active · clear
32. Fresh Air Repairs

    Fresno, CA · CSLB #1159119 · as of October 8, 2026
    Active · clear
33. Fresh Air Services LLC

    Davis, CA · CSLB #1152402 · as of October 8, 2026
    Active · clear
34. Fresh Air Solutions

    Woodland Hills, CA · CSLB #1042079 · as of October 8, 2026
    Active · clear
35. Fresh Air Ua

    Encino, CA · CSLB #1109368 · as of October 8, 2026
    Active · clear
36. Fresh Coast Heating & Air Conditioning

    Santee, CA · CSLB #1118837 · as of October 8, 2026
    Active · clear
37. Fresh Connection HVAC

    Sylmar, CA · CSLB #1030099 · as of October 8, 2026
    Active · clear
38. Fresh Connection INC

    Sylmar, CA · CSLB #1119269 · as of October 8, 2026
    Active · clear
39. Fresh Flow HVAC

    Sylmar, CA · CSLB #1073848 · as of October 8, 2026
    Active · clear
40. Fresh Ventilate Heating & Air Conditioning

    Van Nuys, CA · CSLB #1154918 · as of October 8, 2026
    Active · clear
41. Fresh Wave HVAC

    Upland, CA · CSLB #1136898 · as of October 8, 2026
    Active · clear
42. Fresno Heating And Cooling

    Fresno, CA · CSLB #1078849 · as of October 8, 2026
    Active · clear
43. Fresno Mechanical And Services INC DBA Fresno Mechanical Services

    Fresno, CA · CSLB #1118884 · as of October 8, 2026
    Active · clear
44. Friars Heating And Air Conditioning INC

    San Diego, CA · CSLB #1054435 · as of October 8, 2026
    Active · open complaint
45. Friends & Family HVAC INC

    Canyon Lake, CA · CSLB #1062577 · as of October 8, 2026
    Active · clear
46. Frigid Air INC

    Woodland Hills, CA · CSLB #688306 · as of October 8, 2026
    Active · clear
47. Frigid Works

    Victorville, CA · CSLB #1089325 · as of October 8, 2026
    Active · clear
48. Frigus Mechanical LLC

    Los Angeles, CA · CSLB #1157043 · as of October 8, 2026
    Active · clear
49. Frik's Heating & Air

    Turlock, CA · CSLB #1085691 · as of October 8, 2026
    Active · clear
50. Frinj Energy - Heating & Air Conditioning INC

    Corona, CA · CSLB #1098992 · as of October 8, 2026
    Active · clear
51. Frontier Heating & Air Conditioning

    Aliso Viejo, CA · CSLB #1123276 · as of October 8, 2026
    Active · clear
52. Douglas Frost

    Poway, CA · CSLB #1024586 · as of October 8, 2026
    Active · clear
53. Frost Fox HVAC LLC

    Irvine, CA · CSLB #1144891 · as of October 8, 2026
    Active · clear
54. Frosty & Friends HVAC INC

    Apple Valley, CA · CSLB #1141815 · as of October 8, 2026
    Active · clear
55. Frosty's Air Conditioning & Refrigeration INC

    Coachella, CA · CSLB #910261 · as of October 8, 2026
    Active · clear
56. Frosty's Heating And Air Conditioning

    Lake Elsinore, CA · CSLB #1092395 · as of October 8, 2026
    Active · clear
57. Frye Mechanical INC

    Ramona, CA · CSLB #926427 · as of October 8, 2026
    Active · clear
58. FSC LLC

    Escondido, CA · CSLB #1119104 · as of October 8, 2026
    Active · clear
59. FTP Mechanical INC

    Roseville, CA · CSLB #1058872 · as of October 8, 2026
    Active · clear
60. Fuesz Mechanical Heating And Cooling LLC

    Sheridan, CA · CSLB #1127632 · 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.