The SunStar Heating Products Ceramic Heater is ideal for spot heating or area heating of remote locations, farm buildings, shops, service areas, pump houses or other hard-to-heat spaces, providing both fuel efficiency of radiant heat and installation flexibility (not recommended for car washes). This is an energy-saving Direct Spark Ignition heater and can be controlled by a line Volt or 24V thermostat sold separately. NOT CERTIFIED OR APPROVED FOR RESIDENTIAL USE. Indoor use only.