.   Wood furnaces are often called central  boilers or hydronic furnaces. Wood Master is one of the original manufacturers of outdoor wood furnaces and wood boilers. Save money and stay warm with our wood fired boilers. Don't have all the mess of a wood stove indoors. Renewable energy furnaces are the way to save and keep your house warm. Works great with radiant floor heat, Heat Link systems, forced air furnaces or baseboard hot water. All our wood burning furnaces are an attractive addition to your home. Beat high oil prices with our wood furnaces and water stoves. Our new gasification furnace is coming soon.