What it is: Bathroom exhaust fans terminating in the attic instead of outdoors.
Why it matters
Dumping humid air into the attic causes condensation, frost and mold.
Why it's common in Bloomington
One of the most common defects in Bloomington homes of every era.
Signs to watch for
- a fan duct ending at the attic floor
- frost/stains above bathrooms
What we check during the inspection
We trace bath-fan ducts to their termination where accessible.
How it's typically corrected
Duct fans to an exterior roof or wall cap.
Concerned about bath fan venting into the attic in a home you're buying or selling? Get a free instant quote and we'll evaluate it as part of a full inspection.