Heat4Less 1000 Sqft. Electric Infrared Home Heater Limited Lifetime Warranty 30 Day Money Back Guarantee w/ Remote For Any Indoor Space Heating area of 500 sqft with 8 Ft. ceilings well insulated home Limited Lifetime Warranty 30 Day Money Back Guarantee New quartz long life heating elements rated at 40,000 hrs Plugs into a standard 120V outlet New memory technology. After a power outage, heater automatically comes back on when power is restored.