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 3,601–3,660 of 8,999 contractors

1. Four Seasons Service CO

   Sherman Oaks, CA · CSLB #734435 · as of June 30, 2026
   Active · clear
2. Foust Heat & Air

   Columbia, CA · CSLB #841677 · as of June 30, 2026
   Active · clear
3. Fox Family Heating And Air Conditioning

   Sacramento, CA · CSLB #1106657 · as of June 30, 2026
   Active · clear
4. F/R Aire Mechanical Heating & Air Conditioning INC

   Calexico, CA · CSLB #1001259 · as of June 30, 2026
   Active · clear
5. Francisco Figueroa Ochoa

   El Monte, CA · CSLB #1123194 · as of June 30, 2026
   Active · clear
6. Franciscos A / C And Heating Service

   Granada Hills, CA · CSLB #852350 · as of June 30, 2026
   Active · clear
7. Franco Heating & Cooling Air

   Los Angeles, CA · CSLB #960537 · as of June 30, 2026
   Active · clear
8. Francos Heating And Air

   San Diego, CA · CSLB #1131460 · as of June 30, 2026
   Active · clear
9. Franco's Mechanical

   Windsor, CA · CSLB #962011 · as of June 30, 2026
   Active · clear
10. Franco's Plumbing Heating & A/c

    Fresno, CA · CSLB #1007876 · as of June 30, 2026
    Active · clear
11. Franklin Air Conditioning & Heating CO INC

    Garden Grove, CA · CSLB #453606 · as of June 30, 2026
    Active · clear
12. Franklin Heating And Air Conditioning

    San Dimas, CA · CSLB #1046848 · as of June 30, 2026
    Active · clear
13. Franklin Mechanical Systems INC

    Beaumont, CA · CSLB #761887 · as of June 30, 2026
    Active · clear
14. Franklin & Vizzo Plumbing INC

    Ventura, CA · CSLB #389926 · as of June 30, 2026
    Active · clear
15. Frank's Fuel Oils & Heating

    Dunsmuir, CA · CSLB #664160 · as of June 30, 2026
    Active · clear
16. Frank's Heating And Refrigeration

    Brookings, CA · CSLB #881176 · as of June 30, 2026
    Active · clear
17. Frank's Quality Air INC

    Stockton, CA · CSLB #1029159 · as of June 30, 2026
    Active · clear
18. Thomas Frank

    Fresno, CA · CSLB #838511 · as of June 30, 2026
    Active · clear
19. Fransystems HVAC

    Canoga Park, CA · CSLB #1108774 · as of June 30, 2026
    Active · clear
20. Frausty Air Conditioning & Heating INC

    Lakewood, CA · CSLB #1102577 · as of June 30, 2026
    Active · clear
21. Fred Cold INC

    Burbank, CA · CSLB #1008646 · as of June 30, 2026
    Active · clear
22. Freds Heating & Air Conditioning INC

    Sylmar, CA · CSLB #1032258 · as of June 30, 2026
    Active · clear
23. Free Air Mechanical INC

    Escondido, CA · CSLB #1010747 · as of June 30, 2026
    Active · clear
24. Freedom Heating And Air Conditioning

    Lake Elsinore, CA · CSLB #1056708 · as of June 30, 2026
    Active · clear
25. Freedom Heating And Air Conditioning

    Sutter, CA · CSLB #1066361 · as of June 30, 2026
    Active · clear
26. Freedom Heating And Cooling

    Jamul, CA · CSLB #1052619 · as of June 30, 2026
    Active · clear
27. Freedom Heating INC

    Freedom, CA · CSLB #784864 · as of June 30, 2026
    Active · clear
28. Freedom Mechanical Solutions INC

    Morongo Valley, CA · CSLB #1098840 · as of June 30, 2026
    Active · clear
29. Freelance HVAC INC

    Sacramento, CA · CSLB #1103129 · as of June 30, 2026
    Active · clear
30. Freeman Heating And Air Conditioning

    Chico, CA · CSLB #695302 · as of June 30, 2026
    Active · clear
31. Freese Heating And Air

    Hayward, CA · CSLB #1000627 · as of June 30, 2026
    Active · clear
32. James French Mechanical

    Wildomar, CA · CSLB #1023141 · as of June 30, 2026
    Active · clear
33. Freon And Fire

    Fresno, CA · CSLB #1136562 · as of June 30, 2026
    Active · clear
34. Freonx

    Burbank, CA · CSLB #1073468 · as of June 30, 2026
    Active · clear
35. Fresco HVAC Solutions

    Visalia, CA · CSLB #1141014 · as of June 30, 2026
    Active · clear
36. Fresh Air

    Elk Grove, CA · CSLB #945361 · as of June 30, 2026
    Active · clear
37. Fresh Air A/c & Heating

    Whittier, CA · CSLB #1050380 · as of June 30, 2026
    Active · clear
38. Fresh Air Conditioning & Heating INC

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

    Huntington Beach, CA · CSLB #793932 · as of June 30, 2026
    Active · clear
40. Fresh Air Mechanical

    Santee, CA · CSLB #1104661 · as of June 30, 2026
    Active · clear
41. Fresh Air Services LLC

    Davis, CA · CSLB #1152402 · as of June 30, 2026
    Active · clear
42. Fresh Air Solutions

    Woodland Hills, CA · CSLB #1042079 · as of June 30, 2026
    Active · clear
43. Fresh Air Ua

    Encino, CA · CSLB #1109368 · as of June 30, 2026
    Active · clear
44. Fresh Coast Heating & Air Conditioning

    Santee, CA · CSLB #1118837 · as of June 30, 2026
    Active · clear
45. Fresh Connection HVAC

    Sylmar, CA · CSLB #1030099 · as of June 30, 2026
    Active · clear
46. Fresh Connection INC

    Sylmar, CA · CSLB #1119269 · as of June 30, 2026
    Active · clear
47. Fresh Flow HVAC

    Sylmar, CA · CSLB #1073848 · as of June 30, 2026
    Active · clear
48. Fresh Ventilate Heating & Air Conditioning

    Van Nuys, CA · CSLB #1154918 · as of June 30, 2026
    Active · clear
49. Fresh Ventilate Heating & Air Conditioning LLC

    Van Nuys, CA · CSLB #1108093 · as of June 30, 2026
    Active · clear
50. Fresh Wave HVAC

    Upland, CA · CSLB #1136898 · as of June 30, 2026
    Active · clear
51. Fresno Heating And Cooling

    Fresno, CA · CSLB #1078849 · as of June 30, 2026
    Active · clear
52. Fresno Mechanical And Services INC DBA Fresno Mechanical Services

    Fresno, CA · CSLB #1118884 · as of June 30, 2026
    Active · clear
53. Friars Heating And Air Conditioning INC

    San Diego, CA · CSLB #1054435 · as of June 30, 2026
    Active · clear
54. Friends & Family HVAC INC

    Canyon Lake, CA · CSLB #1062577 · as of June 30, 2026
    Active · clear
55. Frigid Air INC

    Woodland Hills, CA · CSLB #688306 · as of June 30, 2026
    Active · clear
56. Frigid Works

    Victorville, CA · CSLB #1089325 · as of June 30, 2026
    Active · clear
57. Frigus Mechanical LLC

    Los Angeles, CA · CSLB #1157043 · as of June 30, 2026
    Active · clear
58. Frik's Heating & Air

    Turlock, CA · CSLB #1085691 · as of June 30, 2026
    Active · clear
59. Frinj Energy - Heating & Air Conditioning INC

    Corona, CA · CSLB #1098992 · as of June 30, 2026
    Active · clear
60. Frontier Heating & Air Conditioning

    Aliso Viejo, CA · CSLB #1123276 · 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.