Transform your existing wood-burning fireplace in to a real flame gas-fueled fireplace and never worry about hauling wood, messy ashes or soot again. This heater comes with the most realistic natural fire and highly detailed logs that glow like real wood. Comes with five ceramic logs, adding a realistic appearance to the high end appeal of the heater. The 18″ Vent Free 38,000 BTU Gas Log heater is perfect for rooms of 1,100 square feet or more. This vent free unit requires no electricity, making it a great alternate heat source during power failures, while being energy efficient at all times. The dual fuel version of this heater allows the professional installer to set up the unit for either propane or natural gas, with no manual switching required.