1、Heat Powered: Fully utilize the heat of your wood stove and disperse it to your room without batteries or electricity. The 6 blades heat powered stove fan improved hot air circulation for greater comfort, and reduce wood costs. You can enjoy the warm environment in your room. 2、Eco Friendly: Heat powered wood stove fans generate power by converting the heat from stove into electricity, electricity generating units convert the heat energy into kinetic energy to drive the motor, then the blades spin. 3、Energy Saving: No batteries or electricity needed. The improved hot air circulation and ensures greater comfort ,while reduces the wood consumption of the stove. 4、Space Saving: The stove fan can be fixed on the chimney pipe of wood, log burner, fireplace, it is stable for Incline surface and won't take up more space. 5、Quiet Work: Large air volume, low noise. It will not interrupt your reading, work, and other activities, you can enjoy the warm air in a quiet and comfortable environment.