This Dyna Glo Kerosene Convection Heater lets you bring compact convection style heat anywhere you need it It s the ideal supplemental heat source for 525 sq ft areas for up to 14 hours Featuring an advanced burner design that is incredibly efficient for maximum heat from fuel and reduced odors Tip over switch for safety Pushbutton ignition and one touch extinguish Variable wick settings Run time fuel gauge lets you know how much of the 1 1 gal fuel tank is left Features . Improves air circulation by up to 75 . Designed and certified to only work with Pleasant Hearth Vent Free Stoves Specifications . Control Type Variable speed. Works With Pleasant Hearth vent free stove