... , wood chips , straw , coal , which is low-cost and energy TWEHS-I Energy-saving hot stoveSafety device: Thermo-over temperature controller, Hot air ... :Manual, power consumption (MAX):15kg/h(coal) 17kg/h(wood chips) 35kg/h(Husk) 48kg/h(straw) TWEHS-I Energy-saving hot stove ...