Why Venting a Bathroom Fan into the Attic Can Lead to Mold Problems

https://thecleancorner.westhavenscope.com/posts/why-venting-a-bathroom-fan-into-the-attic-can-lead-to-mold-problems

When you vent a bathroom fan directly into the attic instead of outside, all that warm, moist air has nowhere to go. It condenses on cold roof rafters and insulation, creating a damp environment perfect for mold growth. Over time, this hidden moisture can rot wood, ruin your insulation, and cause health problems without you even noticing until it's a costly mess.