I have a low profile 80 cfm Panasonic fan w/ an optional 3" vent adapter. Literature states going from 4" to 3" reduces cfm to 70, and increases .5 sones to .6. I'm okay with that...are there disadvantages to going 3� Another thread someone posted stated vibrations. I haven’t installed it yet.
My main question…my attic floor is open so I can run the vent to either the soffitt or would this cause moisture issues. I should be able to bypass the soffit and run it down the wall cavity and out the house., unless there's a 2x4in the way then I'm stuck. Which is best? I’ve never done this before and making holes in the house gives me a queasy stomach.
My main question…my attic floor is open so I can run the vent to either the soffitt or would this cause moisture issues. I should be able to bypass the soffit and run it down the wall cavity and out the house., unless there's a 2x4in the way then I'm stuck. Which is best? I’ve never done this before and making holes in the house gives me a queasy stomach.