Family Essentials-Fireplace Fan: Working Principle- The hot air stove fan is designed to circulate the hot air generated by the wood/coal stove or pellets running on the normal surface temperature between 60C and 350C. The stove fan is placed on the fireplace pipe, using the temperature/heat transferred from the fireplace to generate electricity and drive the fireplace fan.Efficient Heat Distribution: The stove fan can promote air circulation, evenly distribute hot air throughout the room, improve hot air circulation and prevent heat dissipation. Less consumption, more efficiency, the stove fan will help reduce fuel consumption and heat up the room quickly.Quiet Operation: The only moving part is the assembly newly designed blade. You don't even know the stove fan is there, but you feel the heat with larger air volume and less noise, you'll enjoy warm air in a quiet and comfortable environment.No batteries or electricity required: Battery protection environment and energy saving are its features. No electricity needed, just heat rolling, it is completely energy-saving and cost-effective. The stove fan rotates by sensing the heat from the stove and automatically adjusts the speed according to the temperature conveyed by the furnace.Solid design and SmCo magnetic material: The installation of the stove fan is very simple, the magnet is directly attracted, it is very firm. It is ideal for all kinds of wood stoves, gas stoves, pellet stoves, etc. Position your stove fan at least 20cm high from the stove and no more than 50cm high. If you place the fan too high, it may mean that there is not enough heat to run it.