To keep the house cool during the hot summer, making the AC is running less often, thereby reducing power consumption

2. Row out of the water vapor from the home, so that fresh air flow

3. solar-powered by 10-15 w solar panels

4. Maximum ventilation capacity ranging from 800CFM to 1500CFM (or greater).
5. 12V brushless DC motor used, quick run; the life is up to 10 times than the brush motor; 50 thousand hours warranty of brushless DC motor (5 year warranty for the rest); the highest efficiency, sound quiet.

6. Mtal temperature controller, the choice of air temperature 15 °C-30°C and automatic on / off fan