A stove fan that uses energy thermal as a source of energy to circulate the warm air produced by the wood-burning fireplace. There is a thermoelectric module on the fan, which acts as a small generator to drive the fan motor. When this module generator experiences the heat difference between the top and bottom, it generates electricity. The bottom of the fan heats the bottom of the module, while the top of the module is kept cool by the top heat sink of the fan. No batteries or power supply required! T emperature Accurate test Equipped with a thermometer to accurately measure the temperature, so as not to damage the fireplace fan motor due to excessive temperature. excessive. The fireplace fan is powered by the heat from your fireplace or stove without power supply, which can result in more comfort and a reduction in furnace wood consumption of 28%. Distribute heat more efficiently and save fuel, which is environmentally friendly. No-Electricity Oven Fan With larger air volume, the