A bathroom exhaust fan works by pulling in air from the bathroom and sending it outside via a duct that runs through the ceiling or wall. So a good exhaust fan relies largely on good airflow.

The exhaust fan's 5.5-foot long power cord is nice and long, which can also be very helpful when it comes to installation. It ...

This helps support our journalism. Learn more. Please also consider subscribing to WIRED This ceiling-mounted bathroom exhaust fan is from Home Depot's house brand, Commercial Electric.

A common use for inline exhaust fans is to vent two bathrooms. A plastic exhaust grille in each bathroom (usually in the ceiling) attaches to ducts, which then fasten to a "Y" connector at the fan.