This kerosene or diesel-fired radiant heater offers the ultimate heating experience for commercial indoor and outdoor applications. It's quiet and virtually odorless with ultra-low emissions offering superior performance compared to traditional torpedo-style heaters. It uses state-of-the-art infrared radiant technology that heats just like the sun by heating objects directly instead of only heating the air. Optionally connect a standard manual or battery operated wall thermostat to regulate temperature in a shop, garage, or warehouse. Dimensions: 29 in. x 35 in. x 41 in. Ships fully assembled on a crated pallet. Requires a 120V power source for safety features and fuel ignition. *Use with proper ventilation.