Originally Posted by Manuel Garcia O'Kely
Now yer just being a smartass. Exhaust fan in ceiling of stand up shower of minimal size - door is glass open 18" at top. Believe me, in the winter a chilly wind comes over the top of that door.
Fan is I think 3x more than it really needs but it drys the shower out in minutes....
Don't forget to spec and install the gravity-close air damper or you will indeed get an annoying draft.