Avenger, Dual Fuel Vent Free Blue Flame Heater - 30,000 BTU Patented DUAL FUEL TECHNOLOGY: Natural Gas or Liquid Propane Thermostat Control - Automatically cycles the burner to maintain a desired room temperature. 5 Heat Settings with micro heat adjustments between each setting! Product Dimensions: 25.7" H x 18.46" W x 9.84" D Please Note:This Item Is Not For Sale To Residents In California due to local regulation restriction