The outdoor furnace designs in this series rely on cord wood to provide comfortable, renewable heat for indoor areas and domestic hot water. This high efficiency wood burning furnacehas a wide range of applications, including radiant in-floor or forced air space heating, domestic hot water, swimming pools and hot tubs. With dual supply and return ports, the Empyre Pro Series wood gasifier is also a reliable source of heat for multiple buildings, including garages, shops, greenhouses and other outbuildings.