Works alone or in conjunction with your existing furnace to heat your entire home, while drastically reducing home heating costs. Heats up to 2500 sq. ft. with an output of 28,000 to 119,000 BTUs per hour. Heavy gauge, 2 piece firebox with heavy duty cast iron feed and ash doors. Full length ash pan with handles, front and rear, makes ash handling more convenient and reduces spillage. Twin 550 CFM blowers. Extra heavy duty, cast iron grates and liner for greater durability and regulation of burn duration. Large capacity firebox has firebrick lining for up to 8 hours average heating output on 1 fuel loading. Twin cast iron rocker style grates provide ample surface area for combustion of either wood or coal. Heavy duty cast iron front and rear liners protect firebox ends and help distribute heat evenly. Raised and tapered heat outlet allows for secure connection of 8'' heat ducts. Front mounted smoke curtain reduces smoke spillage during refueling. Overall size: 40'' H. x 24'' W. x 42'' L. Clearance to combustibles 9'' on sides and 48'' in front. Smoke pipe outlet is 6''. Firebox dimensions: 27'' H. x 20'' W. x 28'' L.