Empire Comfort - Visual Flame Room Heater RH50BNAT - Natural Gas - Room heaters provide a convenient hassle-free way to heat any area of your home. This unit features a glass enclosure so you can view the soothing gas flames that are heating your home. You can even purchase a log set to enhance the visual appearance. It&#039;s stored inside a beige cabinet which can be placed anywhere in the room. The cabinet needs at least 55&quot; clearance on top, 6&quot; clearance on the sides, 18&quot; clearance in the front for easy access, and 2&quot; clearance from the draft diverter to the wall. This model uses natural gas, and includes an automatic blower that spreads heat throughout the room. Empire includes a 10-year limited warranty for the combustion chamber and a 1-year warranty on parts.