Shop for Heating, Venting & Cooling at The Home Depot. Help provide your home with dependable heat with the US Stove Clayton 3,600 sq. ft. Coal and Wood Stove. This versatile coal and wood stove is designed to be used in conjunction with your existing HVAC ductwork and to work seamlessly with your existing furnace. This powerful coal and wood stove utilizes a firebrick-lined, plate-steel firebox with exterior green powder-coated steel for a classic look.