Prior to and even during a bathroom remodel, I often have conversations about tile and fixture layout, style and finish. But the conversation seldom leads to discussion of bathroom ventilation ...

Not necessarily. If the bathroom is in a lower floor or the basement, it's easier to vent the fan through a side wall. In such cases, a wall-mount fan usually makes more sense than a ceiling-mount.

It’s important to note that you can use a fan with a higher CFM in a smaller bathroom if the duct fits. CR’s lab engineers evaluate the fan’s performance, providing a score for airflow and ...