Transform your home into a cozy sanctuary with the Ashley Hearth Products 17,000 Btu Direct Vent Propane Wall Heater. This efficient heating solution will banish the chill, providing warmth and comfort for you and your loved ones. Say goodbye to cold corners and hello to a snug, inviting atmosphere.This industry-leading wall furnace keeps your living or workspace warm with a direct vent wall heater that disperses pure, gentle heat, in continuous circulation. The space-saving direct vent furnace design mounts to an exterior wall. When installing wall thickness cannot be less than 4.5 inches and cannot exceed 10.00 inches. The gas flame with matchless Piezo lighting is completely sealed inside, away from all contact with room air.