Quote:
Originally Posted by RichieRich
I was gonna say the same thing. If you can get into your attic (usually as simple as a ladder and climb up and VERY carefully make sure you only walk on the trusses, you can go look at your bathroom fan hose. Odds are some insulation may have moved away. Hopefully there isn't a loop or "u" shape in the exhaust hose causing water accumulation and eventually some overflow. The latter is exactly what happened to us.
The other thing is if you have an air humidifier in your home is to turn it down or off until spring to reduce accumulation, and to also run your bathroom fan for a while after any bath/shower.
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The U is common practice to keep condensation from running back down into the fan.