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

The California Contractors State License Board (CSLB) lists 3 Heating & Air Conditioning (C-20) contractors in Kelseyville, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 28, 2026.

3 contractors

1. Barnell Heating And A C

   Kelseyville, CA · CSLB #846833 · as of June 28, 2026
   Active · clear
2. Cool Air Conditioning & Heating INC

   Kelseyville, CA · CSLB #576429 · as of June 28, 2026
   Active · clear
3. Winset Mechanical

   Kelseyville, CA · CSLB #1084980 · as of June 28, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of June 28, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.