Higgy, I've heard and read from some people that these fans are loud and they make little difference. Do you find yours to be loud? How far from the vent did you install yours? I think I really want one for my son's room upstairs. There is very little force to the air that blows through it, compared to all the other vents. I've checked the damper, I've checked for obstructions. I think it's the length of that single run, and I think a booster fan could help. Any other thoughts?
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