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

The California Contractors State License Board (CSLB) lists 27 Heating & Air Conditioning (C-20) contractors in Fairfield, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

27 contractors

1. A-1 Comfort Heating & Air

   Fairfield, CA · CSLB #1160544 · as of October 6, 2026
   Active · clear
2. All Star A/c & Heating Ngov

   Fairfield, CA · CSLB #1094269 · as of October 6, 2026
   Active · clear
3. Amigos Heating And Air

   Fairfield, CA · CSLB #957980 · as of October 6, 2026
   Active · clear
4. Bluesky Heating And Air

   Fairfield, CA · CSLB #1158490 · as of October 6, 2026
   Active · clear
5. Brambila Heating & Air Conditioning

   Fairfield, CA · CSLB #1158867 · as of October 6, 2026
   Active · clear
6. Clean Breeze Air

   Fairfield, CA · CSLB #1074492 · as of October 6, 2026
   Active · clear
7. Discount HVAC & Appliance Repair

   Fairfield, CA · CSLB #1127109 · as of October 6, 2026
   Active · clear
8. Fairfield Heating And Air Conditioning

   Fairfield, CA · CSLB #749563 · as of October 6, 2026
   Active · clear
9. Flores Mechanical Services

   Fairfield, CA · CSLB #876638 · as of October 6, 2026
   Active · clear
10. Golden State Comfort Systems INC

    Fairfield, CA · CSLB #1017220 · as of October 6, 2026
    Active · clear
11. Go Mechanical

    Fairfield, CA · CSLB #1142449 · as of October 6, 2026
    Active · clear
12. Indoor Air Technologies

    Fairfield, CA · CSLB #1060955 · as of October 6, 2026
    Active · clear
13. Graydon Kouri Plumbing Heating Air Conditioning

    Fairfield, CA · CSLB #638681 · as of October 6, 2026
    Active · clear
14. Leon Air Systems

    Fairfield, CA · CSLB #875230 · as of October 6, 2026
    Active · clear
15. Lissick's Heating And Air Conditioning

    Fairfield, CA · CSLB #926689 · as of October 6, 2026
    Active · clear
16. Marasigan Heating And Air

    Fairfield, CA · CSLB #1074318 · as of October 6, 2026
    Active · clear
17. Mike's Heating And Air Conditioning

    Fairfield, CA · CSLB #861722 · as of October 6, 2026
    Active · clear
18. New Age Heating & Cooling

    Fairfield, CA · CSLB #1115768 · as of October 6, 2026
    Active · clear
19. Nielson Mechanical INC

    Fairfield, CA · CSLB #725457 · as of October 6, 2026
    Active · clear
20. Nor-pacific Heating And Air

    Fairfield, CA · CSLB #1128534 · as of October 6, 2026
    Active · clear
21. North Bay Air Systems INC

    Fairfield, CA · CSLB #325637 · as of October 6, 2026
    Active · clear
22. Pelayo Heating And Air Conditioning

    Fairfield, CA · CSLB #818473 · as of October 6, 2026
    Active · clear
23. Redeemed Air

    Fairfield, CA · CSLB #798887 · as of October 6, 2026
    Active · clear
24. R L Fuller INC DBA Superior Mechanica

    Fairfield, CA · CSLB #777757 · as of October 6, 2026
    Active · clear
25. Tradewinds Cooling Limited Liability Company

    Fairfield, CA · CSLB #1066807 · as of October 6, 2026
    Active · clear
26. Vacaville Heating And Air Conditioning

    Fairfield, CA · CSLB #1041070 · as of October 6, 2026
    Active · clear
27. Oasis Air Systems INC

    Fairfield, CA · CSLB #1127829 · as of October 6, 2026
    Suspended · workers' comp

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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.