US Stove 1600 Sq. Ft. Wood Burning Stove. 2421. Freestanding Stoves. The US Stove Company 2421 is a rustic, heavy duty, cast iron constructed, wood stove that is ideal for any rugged outdoorsman, those with a nostalgic taste, or someone simply looking for reliable, cost efficient, heating. It is perfect for log cabins, large garages and shops. This stove is durability defined. Tested and certified to U. L. 1482 by Warnock Hersey International for greater peace of mind and safety assurance. It has unequaled life expectancy and is easy to use.