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

The California Contractors State License Board (CSLB) lists 26 Heating & Air Conditioning (C-20) contractors in Fairfield, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

26 contractors

1. All Star A/c & Heating Ngov

   Fairfield, CA · CSLB #1094269 · as of June 27, 2026
   Active · clear
2. Amigos Heating And Air

   Fairfield, CA · CSLB #957980 · as of June 27, 2026
   Active · clear
3. Clean Breeze Air

   Fairfield, CA · CSLB #1074492 · as of June 27, 2026
   Active · clear
4. C M Mechanical

   Fairfield, CA · CSLB #1009304 · as of June 27, 2026
   Active · clear
5. Discount HVAC & Appliance Repair

   Fairfield, CA · CSLB #1127109 · as of June 27, 2026
   Active · clear
6. Energy-lock INC

   Fairfield, CA · CSLB #470010 · as of June 27, 2026
   Active · clear
7. Fairfield Heating And Air Conditioning

   Fairfield, CA · CSLB #749563 · as of June 27, 2026
   Active · clear
8. Flores Mechanical Services

   Fairfield, CA · CSLB #876638 · as of June 27, 2026
   Active · clear
9. Golden State Comfort Systems INC

   Fairfield, CA · CSLB #1017220 · as of June 27, 2026
   Active · clear
10. Go Mechanical

    Fairfield, CA · CSLB #1142449 · as of June 27, 2026
    Active · clear
11. Indoor Air Technologies

    Fairfield, CA · CSLB #1060955 · as of June 27, 2026
    Active · clear
12. Graydon Kouri Plumbing Heating Air Conditioning

    Fairfield, CA · CSLB #638681 · as of June 27, 2026
    Active · clear
13. Leon Air Systems

    Fairfield, CA · CSLB #875230 · as of June 27, 2026
    Active · clear
14. Lissick's Heating And Air Conditioning

    Fairfield, CA · CSLB #926689 · as of June 27, 2026
    Active · clear
15. Marasigan Heating And Air

    Fairfield, CA · CSLB #1074318 · as of June 27, 2026
    Active · clear
16. Mike's Heating And Air Conditioning

    Fairfield, CA · CSLB #861722 · as of June 27, 2026
    Active · clear
17. New Age Heating & Cooling

    Fairfield, CA · CSLB #1115768 · as of June 27, 2026
    Active · clear
18. Nielson Mechanical INC

    Fairfield, CA · CSLB #725457 · as of June 27, 2026
    Active · clear
19. Nor-pacific Heating And Air

    Fairfield, CA · CSLB #1128534 · as of June 27, 2026
    Active · clear
20. North Bay Air Systems INC

    Fairfield, CA · CSLB #325637 · as of June 27, 2026
    Active · clear
21. Pelayo Heating And Air Conditioning

    Fairfield, CA · CSLB #818473 · as of June 27, 2026
    Active · clear
22. Redeemed Air

    Fairfield, CA · CSLB #798887 · as of June 27, 2026
    Active · clear
23. R L Fuller INC DBA Superior Mechanica

    Fairfield, CA · CSLB #777757 · as of June 27, 2026
    Active · clear
24. Tradewinds Cooling Limited Liability Company

    Fairfield, CA · CSLB #1066807 · as of June 27, 2026
    Active · clear
25. Vacaville Heating And Air Conditioning

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

    Fairfield, CA · CSLB #1127829 · as of June 27, 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 June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.