The Drolet DF02003 Heat Commander Wood Furnace is an immense, high-capacity heating appliance, delivering a staggering 310,000 BTU output and is EPA Certified for high-efficiency, clean burning. This furnace is designed to serve as a primary central heating source for large homes, commercial buildings, or demanding hydronic heating systems. The Drolet Heat Commander features a robust, durable firebox and a high-performance heat exchanger to maximize energy transfer. The Drolet DF02003 Heat Commander Wood Furnace is the ultimate choice for those seeking to heat vast spaces economically and sustainably using wood fuel.