The smart ECC technology senses and displays the room's temperature. Just set you desired comfort level and this intelligent heater will adjust the temperature and heat output accordingly. Less fluctuation in room temperature means energy-efficient operation. And because the fan speed always stays constant, you can enjoy quiet warmth. Electronic Climate Control - Uses up to 14% less energy! -PTC Ceramic Thermal Cutoff with Buzzer -Motorized oscillating body with convex grill -Convenirnt foot switch -3 heat settings and summer ventilation -Anti-frost protection -18" tall