Can multiple bathroom exhaust fans be vented together?

Well, you can’t! You’d often blow air from one bathroom into the other, and local building inspectors wouldn’t approve it. But while you can’t have two fans with one vent, you can make one fan and one vent serve two bathrooms.

Is an inline fan the same as an exhaust fan?





The inline exhaust fan works the same way as the standard exhaust fan, but the design is different. The inline fan is mounted to a joist in the attic. One duct runs from the fan to a ceiling vent. Another duct runs from the fan to a roof vent.

Can you use an inline fan for a bathroom?

It is possible to replace a traditional ceiling-mount bathroom fan with a new fan just like it. OR – you can replace the old fan with an inline fan system. * MULTIPLE EXHAUST POINTS – in a larger bathroom, it is possible to create mutiple exhaust points in the ceiling and only install 1 fan.

Do exhaust fans need to be vented outside?

Venting to the Outside is Typically Considered Mandatory



One of the main ones is that it brings too much moisture into a space that is meant to be dry. This can get mold started in the insulation, rot roof timbers, and otherwise cause serious problems.

How do you vent a bathroom with no outside access?

Use of a ceiling vent



Installing a ceiling vent is probably the most efficient way to ventilate a bathroom with no outside access. A ceiling vent is a unique machine that allows air to escape from the bathroom. In other words, it’s a machine that, like an open window, allows moisture to escape from your bathroom.

Is it OK to vent a bathroom exhaust fan into the attic?





No, you cannot vent your bathroom exhaust fan into the attic. You should never exhaust the bathroom fan directly into the attic. Your attic is not a temperature-controlled environment, is never the same temperature as your living space and generally closer to the temperature outside.

Do bathroom exhaust fans have to be vented through the roof?

Quote from the video:
Quote from Youtube video: Air into the attic in the winter. Time it condenses under the shading causing the sheathing to get wet causes mold to grow that's as bad as venting the fan right into the attic.

Can you vent a bathroom exhaust fan through the soffit?

Quote from the video:
Quote from Youtube video: The best practice these days is to vent exhaust fans directly to the outside. This can be done through the roof through the wall or even through a soffit.