Quote Originally Posted by SoCoMMJ
you can also use foil tape to restrict the ducting or fan inlet/outlet and ditch the fan controller. I love the foil tape.

I'm a cheap bastard... why spend $$$ for a controller when you can use $.30 worth of tape
ok! I have foil tape here at the house! how do you suggest it to be used? at the end of the duct?? thank you.