The Harman XXV has the ability of producing up to 50,000 BTU’s. Depending on climate and home efficiency, it will heat between 900 and 2,300 square feet. It has a large 65 lb. hopper capacity with a nice size ash drawer for a leg model. The XXV celebrates Harman’s years of excellence with a specially crafted cast iron traditional style. Additionally the XXV is recognized as Harman’s quietest model. Harman’s state of the art controls keep your room temperature exactly where you want it. Exhaust sensing technology constantly monitors and adjusts heat levels within 1 degree. Heat reactive mirrored glass comes standard on this model. Optional Enamel color options shown in the product gallery.