Pleasant Hearth 42 in. Dual Fuel Cherry Vent Free Fireplace System 30,000 BTU Rich Cherry Finish Dual fuel technology allows the unit to be operated with Propane or Natural Gas Up to 30,000 BTU's/hr heats up to 1,000 sq. ft. Thermostat control knob automatically maintains your ideal heat level Wall or corner installation options included Dual burner provides 2 rows of flames for a more full looking fire Separately sold blower works manually or automatically (GFB100) 2 Year Warranty