Licensed Heating & Air Conditioning (C-20) contractors in Fontana, CA

The California Contractors State License Board (CSLB) lists 39 Heating & Air Conditioning (C-20) contractors in Fontana, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

39 contractors

1. Aaa Arroyo Air Comfort

   Fontana, CA · CSLB #1158397 · as of October 6, 2026
   Active · clear
2. A Avco Plumbing - Heating - A/c

   Fontana, CA · CSLB #640316 · as of October 6, 2026
   Active · clear
3. A/c & Heat Services INC

   Fontana, CA · CSLB #1051572 · as of October 6, 2026
   Active · clear
4. Active Temp INC

   Fontana, CA · CSLB #1028474 · as of October 6, 2026
   Active · clear
5. Affordable Comfort

   Fontana, CA · CSLB #982404 · as of October 6, 2026
   Active · clear
6. A & G Air Conditioning Services

   Fontana, CA · CSLB #807202 · as of October 6, 2026
   Active · clear
7. Air Masters Systems INC

   Fontana, CA · CSLB #555300 · as of October 6, 2026
   Active · clear
8. Albert's Heating Ventilating And Air Conditioning

   Fontana, CA · CSLB #756760 · as of October 6, 2026
   Active · clear
9. All Fast Air Conditioning & Heating

   Fontana, CA · CSLB #826079 · as of October 6, 2026
   Active · clear
10. Angels Air

    Fontana, CA · CSLB #976406 · as of October 6, 2026
    Active · clear
11. Angel's Air INC

    Fontana, CA · CSLB #1001168 · as of October 6, 2026
    Active · clear
12. Carroll's Air Services Heating And Ac

    Fontana, CA · CSLB #1157099 · as of October 6, 2026
    Active · clear
13. Roy Castillo

    Fontana, CA · CSLB #1070792 · as of October 6, 2026
    Active · clear
14. Chill's Heating & Air INC

    Fontana, CA · CSLB #1127299 · as of October 6, 2026
    Active · clear
15. Citywide Heating & Cooling LLC

    Fontana, CA · CSLB #1093551 · as of October 6, 2026
    Active · clear
16. Code Green Energy Management

    Fontana, CA · CSLB #927769 · as of October 6, 2026
    Active · clear
17. D & D HVAC INC

    Fontana, CA · CSLB #1117423 · as of October 6, 2026
    Active · clear
18. Dream Air Corp

    Fontana, CA · CSLB #1146079 · as of October 6, 2026
    Active · clear
19. Dynamic HVAC Mechanical Corp

    Fontana, CA · CSLB #1123390 · as of October 6, 2026
    Active · clear
20. Essential Comfort A C

    Fontana, CA · CSLB #1021287 · as of October 6, 2026
    Active · clear
21. Eubanks Air INC

    Fontana, CA · CSLB #1001508 · as of October 6, 2026
    Active · clear
22. Express 1 A/c INC

    Fontana, CA · CSLB #1116223 · as of October 6, 2026
    Active · clear
23. Fidelis Mechanical INC

    Fontana, CA · CSLB #1097935 · as of October 6, 2026
    Active · clear
24. Garcia's Air Conditioning

    Fontana, CA · CSLB #983073 · as of October 6, 2026
    Active · clear
25. Goodare

    Fontana, CA · CSLB #877901 · as of October 6, 2026
    Active · clear
26. JWB Home Services INC DBA HVAC Home Services

    Fontana, CA · CSLB #1097024 · as of October 6, 2026
    Active · clear
27. JT Mechanical

    Fontana, CA · CSLB #1152662 · as of October 6, 2026
    Active · clear
28. Macawsome LLC

    Fontana, CA · CSLB #988339 · as of October 6, 2026
    Active · clear
29. Manzo Heating And Air

    Fontana, CA · CSLB #859825 · as of October 6, 2026
    Active · clear
30. Mariohvac LLC

    Fontana, CA · CSLB #1118363 · as of October 6, 2026
    Active · clear
31. Mcmillan Water Treatment INC

    Fontana, CA · CSLB #844792 · as of October 6, 2026
    Active · clear
32. Mtek Air Conditioning & Heating Control

    Fontana, CA · CSLB #1149130 · as of October 6, 2026
    Active · clear
33. Pon Air And Heating INC

    Fontana, CA · CSLB #1018429 · as of October 6, 2026
    Active · clear
34. Ranger Thermal Solutions

    Fontana, CA · CSLB #1161883 · as of October 6, 2026
    Active · clear
35. Temperature Concepts HVAC Services

    Fontana, CA · CSLB #1126070 · as of October 6, 2026
    Active · clear
36. Trifecta Heating And Air Conditioning

    Fontana, CA · CSLB #1075838 · as of October 6, 2026
    Active · clear
37. Mammoth Cooling

    Fontana, CA · CSLB #1144822 · as of October 6, 2026
    Suspended · bond
38. Rodriguez HVAC Mechanical

    Fontana, CA · CSLB #1039013 · as of October 6, 2026
    Suspended · bond
39. Supply & Return HVAC

    Fontana, CA · CSLB #1135523 · as of October 6, 2026
    Suspended · workers' comp

See all Heating & Air Conditioning (C-20) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.