How does our stove fan work? Tomersun stove fan requires no electricity or batteries to operate, it uses the heat from your stove to power the fan and efficiently disperses the heat around your room. Our stove fan will also reduce the heat dependency from your stove thereby saving your money in the long term on fuel costs. Operation 1.Position the stove fan on a smooth flat surface of your stove top near the side or back of the stove. 2.The hotter the stove is, the more air the fan circulates. 3.The stove fan is designed for usage on freestanding stoves with a normal surface temperature of between 185F - 660 F (85 C - 350 C). 4.Remove the fan from the stove if the temperature exceeds of 660 F / 350C 5.Never handle the base of the stove fan, do not set the stove fan down on an unprotected surface when hot. 6.To move or carry the fan, always use the extendable handle while wearing gloves 7.Good stove safety practice includes the use of a stove thermometer. Warnings 1.Never handle the base of the stove fan, do not set the stove fan down on an unprotected surface when hot.2.DO NOT place the log burner fan in front of chimney pipe,too close to the chimney will reduce its performance,and even cause fan damage by overheat,the optimum position is at the top or the side part of the stove top.3.To move or carry the fan, always use the extendable handle while wearing gloves.4.Keep fan away from small children when in use.