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

The California Contractors State License Board (CSLB) lists 9 Heating & Air Conditioning (C-20) contractors in Windsor, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

9 contractors

1. 101 Mechanical

   Windsor, CA · CSLB #1046679 · as of June 27, 2026
   Active · clear
2. Apex Heating & Air

   Windsor, CA · CSLB #1112541 · as of June 27, 2026
   Active · clear
3. Contreras Heating & Air

   Windsor, CA · CSLB #1080951 · as of June 27, 2026
   Active · clear
4. Franco's Mechanical

   Windsor, CA · CSLB #962011 · as of June 27, 2026
   Active · clear
5. Hayman Refrigeration & Air Conditioning

   Windsor, CA · CSLB #913517 · as of June 27, 2026
   Active · clear
6. Leland Plumbing Heating & Air Cond

   Windsor, CA · CSLB #848071 · as of June 27, 2026
   Active · clear
7. Old Redwood Heating And Cooling

   Windsor, CA · CSLB #1147019 · as of June 27, 2026
   Active · clear
8. Wine Country Heating & Air Conditioning

   Windsor, CA · CSLB #1115888 · as of June 27, 2026
   Active · clear
9. Shawn B Johnson Heating And Cooling

   Windsor, CA · CSLB #912855 · as of June 27, 2026
   Suspended · workers' comp

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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.