Max operating temp of motor is 130℃ / 266℉; Max ambient temp is 60℃ / 140℉. Note: Please turn the fan off immediately if the blades get stuck by other objects and turn on after clean.

If the duct is ... Add an optional fan speed controller to adjust the fan speed to your liking. If you have a room that’s too cold in the winter and too hot in the summer, a booster fan can ...