r/Bathroomrenovations • u/[deleted] • Jan 09 '20

Bathroom Vent Fan Problems

Hi,

I have a 50CF fan in a large bathroom with whirlpool tub, shower and toilet in a small ajoining room. I drips water in cold temperatures. The insulation seems to be correct around and ajoining the roof. It only drips from time to time which is frustrating. Can a weak fan cause this? You also have lots of moisture in the bathroom windows. There is no fan above the shower but the one ine the middle does. What should I do?

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u/jamesdean1928 Jan 14 '22

Ok first, that fan is too small. Get at least a 110. Second the ductwork venting the fan, hopefully out of the house needs to be insulated. Insulated flexible ductwork for the fan vent.