Our Premier
Heating Product
SYSTEM 2000

Hydronic Wood Furnace The Greenwood Hydronic Wood Furnace represents the latest innovation in wood burning boilers. Based on a tested design developed more than 20 years ago, the Greenwood wood boiler is the most efficient, wood burning boiler you can buy for your home. It is safe to operate, burns smoke- and creosote-free, and saves you up to 70% on your home heating bills. Our wood boiler is also easy on the environment -- the fuel you burn is a renewable resource and does not contribute to global warming. Finally, the Greenwood hydronic wood furnace is easy to install and works with a variety of heating systems and applications. Clean Burning -- produces no smoke or dangerous creosote
Features of Greenwood's Hydronic Wood Furnace Combustion efficiency (how much of the wood mass is converted to energy?):  nearly 100% Thermal efficiency (how much of the wood's energy is transferred to the home heating system?):  85 - 87% Ceramic refractory fire chamber, cast up to 6 inches thick and capable of withstanding temperatures of 2500º F Highly efficient water tube heat exchanger charged with a propylene glycol solution to avoid freezing and prevent corrosion Updraft flame path and downdraft thermal transfer Dual aquastats: one to control operation of the furnace and the other to interface the furnace with your home heating system Heat exchanger (optional add-on) to transfer heat from the furnace to your home heating system Simple, direct-acting, electro-mechanical controls Supports either open or closed system installation Burns unsplit logs -- wet or dry
The Greenwood Hydronic Wood Furnace represents the latest innovation in wood burning boilers. fmi...