1,Thermal Power: 16% cost savings by eliminating the need for heat from batteries and reducing pollutant emissions due to fuel loss. 2,High Speed: This fireplace fan can increase comfort faster, when the furnace temperature is low, the airflow is large and the speed is high. 3,Low Noise: The blades are well made, the spiral operation is quiet, and there is no noise from large blowers like other blowers, which does not disturb the rest. 4,Automatic Startup: When the surface temperature of the furnace body reaches about 122℉, it will start automatically. It does not need to be assembled and can be used directly. 5,Application: This stove fan is suitable for those who are off the grid or want to improve furnace efficiency and use less fuel, suitable for wood, gas, pelletizing furnaces, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.