This room heater is operated by propane and gives off a vent free radiant infrared heat, It features a manual control and is nearly one hundred percent efficient, This heater can generate up to 16500 BTUs of gentle, clean and efficient heat, Temperatures can be controlled manually, It is loaded with safety features such as an oxygen depletion system and flame failure safety system, Liquid propane radiant infrared heater, Generates up to 16,500 BTUs of gentle, yet extremely effective heat, Almost 100% efficient, Requires no chimney or outside venting, Runs without electricity - even works during power outages, Manual temperature controls, Reliable top-mounted piezo ignition system, Equipped with an oxygen depletion system and and flame failure safety features, Can stand on the floor or be mounted on a wall, Convenient floor stand is included for floor mounting option, Suitable for installation in mobile homes when permitted by state and local codes, Dimensions: 19 3/4 in, W x 25 in, H x 9 1/2 in, D, Minimum Clearances to Combustibles:, Front - 18 in, Top - 36 in, Sides - 13 in, Bottom when wall-mounted - 2 in, SKU: SNSTRHP011