Sure Heat 10,000 BTU Blue Flame Dual Fuel Gas Space Heater 99.9-percent efficient and works with both liquid propane or natural gas fuel source The convection heat warms the air in the room first and then objects. this unit heats up to 300 square feet Perfect for newer homes with tight insulation Easy installation for wall or floor mount with brackets and connection tube included Piezzo ignition and ods (oxygen depletion sensor) included. omni safety approved