LifeSmart Deluxe Stealth Series Stealth 4 1000 TO 1100 Square Foot Quartz Infrared Heater Can reduce your energy consumption by up to 30% Healthier Cleaner Air with built in lifetime air filter that will destroy bacteria, virus, mold, mildew and other organisms Safe Heat. The heater carries a full ETL certification. Portable and Easy to Operate. E-Z Glide wheels, soft touch LED control, wireless remote 3 Year Component Warranty