The Model 91 catalytic is our most popular selling wood stove.  Used as a masonry fireplace insert, or freestanding, this unit easily accepts 21″ logs and heats up to 3200 square feet with an astonishing 10,400-62,745 BTUs per hour. Features include a factory installed blower, high- efficiency heat exchange, ash removal tray, and oversized glass door with air  wash system. (Side windows come in standard black. Gold and Pewter side windows can be purchased separately.