(1) Self-propulsion: pellet stove the stove fan; the fed by the heat is designed to circulate the hot air generated by a stove. wood/coal or pellet that works with normal surface temperatures between 55°C and 350°C. (2) Environmentally friendly: Stove fan; The thermoelectric module acts as a small generator to power the fan motor. No batteries or electricity required. Better circulation of hot air ensures more comfort and reduces the wood consumption of your stove.