Why Venting a Bathroom Fan Into the Attic Creates Hidden Moisture Problems
It seems harmless, but venting a bathroom fan into the attic is a shortcut that can lead to serious moisture issues Many homeowners think routing the exhaust from a bathroom fan into the attic is a practical solution. It avoids cutting through the roof or a sidewall, and the attic seems like a big enough space to absorb the warm, damp air. Unfortunately, that assumption is almost always wrong. Venting a bathroom fan into the attic does not remove moisture from the house; it