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 3,541–3,600 of 8,936 contractors

1. Fix It Air

   Whittier, CA · CSLB #856507 · as of October 8, 2026
   Active · clear
2. Fix It Fast Plumbing And Rooter INC

   Moorpark, CA · CSLB #938705 · as of October 8, 2026
   Active · clear
3. Fix-it Rite

   Wilton, CA · CSLB #669845 · as of October 8, 2026
   Active · clear
4. Fix MY A C Incorporated

   Chino Hills, CA · CSLB #855348 · as of October 8, 2026
   Active · clear
5. FJ Heating And Air

   Pearblossom, CA · CSLB #1089806 · as of October 8, 2026
   Active · clear
6. F J Heating And Air

   Pearblossom, CA · CSLB #777491 · as of October 8, 2026
   Active · clear
7. Flanagan's Heating And Air

   Palm Springs, CA · CSLB #1138928 · as of October 8, 2026
   Active · clear
8. Fleet Heating & Air Incorporated

   Sparks, CA · CSLB #906032 · as of October 8, 2026
   Active · clear
9. Flemings Air

   Long Beach, CA · CSLB #938410 · as of October 8, 2026
   Active · clear
10. Flex Mechanical

    Tustin, CA · CSLB #1126251 · as of October 8, 2026
    Active · clear
11. Flip Mechanical

    El Cajon, CA · CSLB #1048923 · as of October 8, 2026
    Active · clear
12. Flite Mechanical

    Spring Valley, CA · CSLB #1071284 · as of October 8, 2026
    Active · clear
13. Flo Heating & Air INC

    Los Angeles, CA · CSLB #1135987 · as of October 8, 2026
    Active · clear
14. Florea Plumbing

    West Hills, CA · CSLB #941972 · as of October 8, 2026
    Active · clear
15. A H Flores INC

    North Hollywood, CA · CSLB #347804 · as of October 8, 2026
    Active · clear
16. Fausto Flores JR Heating/air Conditioning

    Placentia, CA · CSLB #926020 · as of October 8, 2026
    Active · clear
17. Flores Mechanical Services

    Fairfield, CA · CSLB #876638 · as of October 8, 2026
    Active · clear
18. Flow Mechanical

    San Diego, CA · CSLB #1035134 · as of October 8, 2026
    Active · clear
19. Flowpro Heating & Air

    Corona, CA · CSLB #1142668 · as of October 8, 2026
    Active · clear
20. F L P Heating & Air Conditioning

    Sacramento, CA · CSLB #1064354 · as of October 8, 2026
    Active · clear
21. FLY Aire Heating & Air Conditioning

    San Bernardino, CA · CSLB #1053656 · as of October 8, 2026
    Active · clear
22. Flynn Air

    Huntington Beach, CA · CSLB #749287 · as of October 8, 2026
    Active · clear
23. Flynn's Heating & Air

    Buellton, CA · CSLB #985649 · as of October 8, 2026
    Active · clear
24. F M A Heating & Air

    Modesto, CA · CSLB #1095983 · as of October 8, 2026
    Active · clear
25. FMG HVAC INC

    Los Angeles, CA · CSLB #1065017 · as of October 8, 2026
    Active · clear
26. FM Heating & Air Conditioning INC

    South Gate, CA · CSLB #1017794 · as of October 8, 2026
    Active · clear
27. Brian S Fogg

    Cathedral City, CA · CSLB #768077 · as of October 8, 2026
    Active · clear
28. Folger Mechanical LLC

    Norco, CA · CSLB #1018531 · as of October 8, 2026
    Active · clear
29. Folsom Lake Heating & Air LLC

    Granite Bay, CA · CSLB #1128724 · as of October 8, 2026
    Active · clear
30. Fonnair INC

    Apple Valley, CA · CSLB #1125409 · as of October 8, 2026
    Active · clear
31. Food Equipment Repair Service INC

    Santa Rosa, CA · CSLB #952668 · as of October 8, 2026
    Active · clear
32. Foothill Air Systems

    Grass Valley, CA · CSLB #837200 · as of October 8, 2026
    Active · clear
33. Foothill Heating & Air Conditioning

    Ontario, CA · CSLB #979917 · as of October 8, 2026
    Active · clear
34. Foothills Air Conditioning INC

    Foresthill, CA · CSLB #1160851 · as of October 8, 2026
    Active · clear
35. Forced Air

    Ojai, CA · CSLB #868060 · as of October 8, 2026
    Active · clear
36. Forced Air Mechanical INC

    Jurupa Valley, CA · CSLB #1084614 · as of October 8, 2026
    Active · clear
37. Forced Air Systems INC

    San Carlos, CA · CSLB #866393 · as of October 8, 2026
    Active · clear
38. Forever Cool Refrigeration INC

    Los Angeles, CA · CSLB #961452 · as of October 8, 2026
    Active · clear
39. Forster Heating Air Conditioning & Sheet Metal

    Auburn, CA · CSLB #501585 · as of October 8, 2026
    Active · clear
40. Fortt Mechanical INC

    Mission Viejo, CA · CSLB #646285 · as of October 8, 2026
    Active · clear
41. Fortuny-air

    Victorville, CA · CSLB #1099140 · as of October 8, 2026
    Active · clear
42. Fosselman Mechanical Service

    Plains, CA · CSLB #1086074 · as of October 8, 2026
    Active · clear
43. Four Brothers Heating & Air Conditioning LLC

    Glendale, CA · CSLB #1153097 · as of October 8, 2026
    Active · clear
44. Four-l Heating And Air

    Sacramento, CA · CSLB #598708 · as of October 8, 2026
    Active · clear
45. Four Roots Air Solutions LLC

    Loomis, CA · CSLB #1147036 · as of October 8, 2026
    Active · clear
46. Four Seasons Air Conditioning And Heating

    Diamond Bar, CA · CSLB #966880 · as of October 8, 2026
    Active · clear
47. Four Seasons Air INC

    Stanton, CA · CSLB #777059 · as of October 8, 2026
    Active · clear
48. Four Seasons Heating & Air Conditioning

    La Mesa, CA · CSLB #1125120 · as of October 8, 2026
    Active · clear
49. Four Seasons Heating And Air Conditioning

    Stockton, CA · CSLB #1160307 · as of October 8, 2026
    Active · clear
50. Four Seasons Heating And Air LLC

    Anaheim, CA · CSLB #1136229 · as of October 8, 2026
    Active · clear
51. Four Seasons Heating & Cooling INC

    Ventura, CA · CSLB #734547 · as of October 8, 2026
    Active · clear
52. Four Seasons Service CO

    Sherman Oaks, CA · CSLB #734435 · as of October 8, 2026
    Active · clear
53. Foust Heat & Air

    Columbia, CA · CSLB #841677 · as of October 8, 2026
    Active · clear
54. Fox Family Heating And Air Conditioning

    Sacramento, CA · CSLB #1106657 · as of October 8, 2026
    Active · clear
55. Fox-heating Air Conditioning And Refrigeration

    Napa, CA · CSLB #1159425 · as of October 8, 2026
    Active · clear
56. F/R Aire Mechanical Heating & Air Conditioning INC

    Calexico, CA · CSLB #1001259 · as of October 8, 2026
    Active · clear
57. Francisco Figueroa Ochoa

    El Monte, CA · CSLB #1123194 · as of October 8, 2026
    Active · clear
58. Franciscos A / C And Heating Service

    Granada Hills, CA · CSLB #852350 · as of October 8, 2026
    Active · clear
59. Franco Heating & Cooling Air

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

    San Diego, CA · CSLB #1131460 · 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.