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

The California Contractors State License Board (CSLB) lists 16 Heating & Air Conditioning (C-20) contractors in Napa, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

16 contractors

1. Ach Pro Mechanical

   Napa, CA · CSLB #1131437 · as of October 6, 2026
   Active · clear
2. Adameck HVAC INC

   Napa, CA · CSLB #1035976 · as of October 6, 2026
   Active · clear
3. CM Heating And Air

   Napa, CA · CSLB #1118376 · as of October 6, 2026
   Active · clear
4. Custom Heating And Air Conditioning

   Napa, CA · CSLB #825646 · as of October 6, 2026
   Active · clear
5. Denny's Heating & Air Conditioning LLC

   Napa, CA · CSLB #688217 · as of October 6, 2026
   Active · clear
6. Eagle Heating & Air Conditioning

   Napa, CA · CSLB #783917 · as of October 6, 2026
   Active · clear
7. Fox-heating Air Conditioning And Refrigeration

   Napa, CA · CSLB #1159425 · as of October 6, 2026
   Active · clear
8. Integrity Sheet Metal

   Napa, CA · CSLB #769852 · as of October 6, 2026
   Active · clear
9. Jordan Mechanical INC

   Napa, CA · CSLB #1054471 · as of October 6, 2026
   Active · clear
10. Jre Heating And Air

    Napa, CA · CSLB #1064819 · as of October 6, 2026
    Active · clear
11. LH Heating And Air

    Napa, CA · CSLB #1103438 · as of October 6, 2026
    Active · clear
12. Mri Heating And Air Conditioning

    Napa, CA · CSLB #1110749 · as of October 6, 2026
    Active · clear
13. Reliable Refrigeration

    Napa, CA · CSLB #467256 · as of October 6, 2026
    Active · clear
14. Steve's Heating & Cooling

    Napa, CA · CSLB #612317 · as of October 6, 2026
    Active · clear
15. Sun Heating & Air Conditioning

    Napa, CA · CSLB #559498 · as of October 6, 2026
    Active · clear
16. Z S Heating And Air INC

    Napa, CA · CSLB #1050971 · as of October 6, 2026
    Active · clear

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.