Sure Heat 26,000 BTU Infrared Dual Fuel Gas Space Heater with Thermostat and Blower 99.9-percent efficient and works with both liquid propane or natural gas fuel source The radiant heat warms objects in the room first and this unit heats up to 900 square feet Thermostatic control turns blower on and off automatically to keep room at designated temperature Easy installation for wall or floor mount with brackets and connection tube included Piezzo ignition and omni approved