A bathroom fan MUST be vented to the exterior of the building to avoid moisture-related issues. This is often completed with a wall, soffit or roof cap. When possible, I choose to vent my fans out ...

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.

If your bathroom doesn’t currently have the infrastructure for an exhaust fan (ductwork, a vent in the ceiling, and electrical wiring to operate the fan), you would need to start by consulting a ...

this Roof vent is also ideal for installation in other areas such as kitchens, bathrooms, and attics. It can be used in conjunction with plastic ducts or exhaust fans for easy ventilation.