This furnace is able to burn pellets, corn and other fuels. With twin blowers and up to 105,000 BTUs, the 8500 will heat a home up to 3,000 sq. ft. The furnace is designed to use in conjunction with your existing HVAC ductwork and works side by side with your existing furnace.Up to 105,000 BTU's Up to 3,000 sq. ft. Up to 160 lb. hopper capacity Twin Blowers Digital controls 3 VentDepth: 39-1 2 Height: 43 Weight: 400 lbs Width: 28-1 2