Louisville Tin & Stove manufactures 11 different residential gas fired heaters, under the COZY brand name, that range between 5,000-75,000 btu's and are available in natural and LP gas. Cozy heaters are ideal for single and multi-family homes, efficiency apartments, mobile homes, cottages, room additions, bedrooms, basements, garages, family rooms, or any applications where space is at a premium.