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

The California Contractors State License Board (CSLB) lists 8 Heating & Air Conditioning (C-20) contractors in Windsor, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

8 contractors

1. Apex Heating & Air

   Windsor, CA · CSLB #1112541 · as of October 7, 2026
   Active · clear
2. Franco's Mechanical

   Windsor, CA · CSLB #962011 · as of October 7, 2026
   Active · clear
3. Hayman Refrigeration & Air Conditioning

   Windsor, CA · CSLB #913517 · as of October 7, 2026
   Active · clear
4. Shawn B Johnson Heating And Cooling

   Windsor, CA · CSLB #912855 · as of October 7, 2026
   Active · clear
5. Leland Plumbing Heating & Air Cond

   Windsor, CA · CSLB #848071 · as of October 7, 2026
   Active · clear
6. Old Redwood Heating And Cooling

   Windsor, CA · CSLB #1147019 · as of October 7, 2026
   Active · clear
7. Wine Country Heating & Air Conditioning

   Windsor, CA · CSLB #1115888 · as of October 7, 2026
   Active · clear
8. Contreras Heating & Air

   Windsor, CA · CSLB #1080951 · as of October 7, 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 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.