The fireplace fan is powered by the heat from your fireplace or stove without power, which can lead to more comfort and a 28% reduction in furnace wood consumption. Distribute heat more efficiently and save fuel, which is environmentally friendly. Furnace fan without electricity With a larger air volume, the improved 7 wings circulate more warm air (maximum 1300rpm) in your home, which is very suitable for large rooms. Simply place it on the stove and when the furnace surface becomes hot, the fireplace fan will work. The hotter the furnace is at a fixed working temperature (50-350℃), the best working temperature is 80-250℃. The faster the fan works, the warmer the air in your home will be. The attached electromagnetic thermometer can monitor the oven surface temperature to prevent chip damage from excessively high temperatures. When the temperature is higher than 644°F, the metal plate at the bottom of the fan protects the oven fan. The anodized aluminum material protects the fan from