Ashley Hearth DVAG11-DF direct-vent wall heater operates on natural gas or liquid propane to deliver efficient and reliable heat with up to 11,000 BTUs, warming spaces up to 375 sq ft. The non-electric direct-vent system pulls in outside air for combustion and exhausts waste gases directly back outdoors through a coaxial venting system to pleasantly heat spaces without affecting indoor quality. Designed for homes, mobile homes, cabins, and supplemental heating, it offers a space-saving wall mounted solution with dependable performance.