The Hawken Energy GX is a high efficiency, low emission outdoor hydronic wood furnace. The GX has a water capacity ranging from 107 gallons to 351 gallons and a heat capacity ranging from 144,000 maximum BTU to 248,000 maximum BTU. The GX uses Afterburner technology, a secondary burn chamber which allows the furnace to use 40% less wood and reduces emissions by over 90% compared to traditional furnaces, according to the manufacturer. Its large cast iron door is insulated for maximum efficiency and designed for easy loading. Units come in a standard green color but select models are available in a variety of colors, including camo. The 2015 starting price of the GX furnace is $6,489 plus shipping and installation. Financing is available.
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