: Newly Designed ,Larger Air ,Lower noise.You 'for t even know the stove fan is there,but you feel the warmth!You will enjoy the warm air in a quiet and comfortable . and Self-Powered: Thermoelectric module acts as a small generator to power the fan's motor. batteries or electricity required! Improved warm air results in greater comfort and reduce wood consumption from your stove. Longer : There is a Bi-metal device in the base of the fan.If the temperature rises around 300°C, the device gently elevates the front of the fan to protect the TEG and motor. Safty Design: The stove fan is made with Anodized Aluminum, able to resist high temperature, deformation and discoloration even after long for time working under high temperature. Start Automatically: Upgrade technology,faster speed,larger air volume.The heat powered stove fan is designed to circulate the warm air by a wood / coal or pellet burning.Efficiently circulates warm air throughout the house.