ClassicFlame 23IRM1500-O107 Rolling Mantel with Infrared Quartz Fireplace, Premium Oak The infrared heat helps to maintain the natural humidity within the air, resulting in moist, comfortable heat without drying out the room`s air 5,200 BTU heater provides supplemental zone heating for up to 1,000 square feet Patent-pending Safer Plug fire prevention technology provides added safety by monitoring the temperature of the plug to prevent electrical fire, circuit or product damage Flame effect can be operated with or without heat, providing the ambiance of a gentle rolling fire all year long Mantel ships assembled. Includes an owner`s manual and easy-to-follow instructions for installation.