Warm any 2-season space into a year-round retreat with a Lifesmart Slimline 3 Infrared Quartz Heater. Unlike standard infrared heaters, the unique front air intake vent and slim profile allow you to mount it right to the wall. Smart boost technology uses a combination of heating elements to quickly convert 1,500w into 5,118 BTUs of supplemental heat. Select the energy-saving ECO mode and maintain a constant 68 degrees. Safety features include a cool-touch exterior, overheat and tip-over safety switch and child safety lock.