18

The straight-ahead Cozy. The open round cage keeps the firebox and stone field visually honest. Cozy pairs structural-steel firebox walls about 67% thicker than a typical standard-stove wall with clean, precise welds for a stove built to see years of real fires.

Three-path combustion uses about 25% less wood than comparable heaters, but lighting and tending feel like a normal wood stove. Choose 12 or 18 kW for in-sauna loading. Stones, chimney, and required protection are separate.