Propane furnace made with scrap steel, glass and ceramic wool and refractory cement. I wanted to reline the coal furnace i made five years back to melt aluminum but the structure was in very bad shape ...

Added to the Napoleon® line of high-efficiency gas furnaces is the 9200 Series. The forced-air, high-efficiency gas furnace series has models in the range of 30,000-120,000 Btu, all at 92.1 percent ...

Watch as I build a propane furnace from scrap steel, wool insulation, and refractory cement to replace an old coal furnace. Designed for efficiency, it melts up to 35kg of aluminum with precision and ...