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Wood Furnaces: High Efficiency

Reviewed by:
Rosemary Thornton
Only about 15 percent of the wood's energy goes up the chimney with this highly efficient wood-burning central furnace.

The heat exchanger contains a liquid (propylene glycol) for maximum efficiency and captures heat from exhaust gases. Designed to be used in a central heating system, this furnace burns unsplit wood, seasoned or green.

According to the manufacturer, it burns smoke-free and creosote-free.

  • Greenwood Wood Furnace price range is $6,976 (Greenwood 100) to $11,375 (Greenwood 300)(September 2006).
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