Why Venting a Bathroom Fan Into the Attic Creates Bigger Problems

https://dryhousenotes.stonefielddigest.com/posts/why-venting-a-bathroom-fan-into-the-attic-creates-bigger-problems

Venting a bathroom fan into the attic might seem like an easy fix, but it creates a hidden disaster. All that moist air gets trapped up there, soaking into insulation and wood. Mold starts growing, drywall can rot, and your roof deck might even start decaying from the inside out. Plus, that damp insulation loses all its R-value, so your energy bills spike. What was supposed to be a simple shortcut becomes an expensive, smelly mess in your attic.