[Energy Saving]As the petrol price increases higher and higher, we would spend much money on energy. This winter would be colder than before. Wood stove is the most economical way to get warm but suffer the low heat utilization. Lot of heat is expelled from the chimney to the outside. The fireplace fan is the tool to improve heat utilization. [Heated Powered Stove Fan Non-electirc]Our Thermal fan for wood stove is an Environment-friendly Eco fan. The thermoelectric module acts as a small generator to the fans motor. No batteries or required Improved warm circulation results in greater comfort and reduces wood consumption from your stove [Quiet Operation] This stove fans noise level is less than 25 dB, which gives you a Quiet atmosphere. The stove fan is designed to be used with coal, pellet, or wood-burning stoves [You May Ask How]The fireplace fan will draw some portion of the heat from the surface of the chimney and converted into electricity. The electrical energy then drives the motor to turn the fan to move the . Therefore, other in the room can also attract a certain amount of heat and keep it indoors. Thats the way to improve heat utilization. [Upgraded 6-Blades Chimney Model]This stove fan is used for absorbing the heat from chimney. More blades, more balance and lower noise. The working noise is perfectly lower than 25DB. This winter you need our stove fan to save energy and save money. Leave the problems with us, enjoy the better life yourself. Colour: Black material: metal Package Contents: 1 x Stove Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.