The Harman Accentra 52i pellet insert has the ability of producing up to 52,000 BTU’s at 85% efficiency. Depending on climate and home efficiency, it will heat between 900 and 2,600 square feet. Huge 64.5 lb. hopper capacity with a nice size pull out ash drawer. Cast iron styling with dual 134 CFM blowers for quieter operation. 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. Both traditional black and mahogany brown enamel are available. Earth Sense offers high temp painting services- choose from over 15 matte finishes!