How to install a wall extractor fan.
Bathroom wall extractor fan installation.
It is worth noting that the installation process is a bit involving and might require a lot more engagement considering that it entails removing some drywall drilling through joists and busting through an exterior wall or roof.
Air must be vented outside.
The first step in figuring out how to install a bathroom fan is cutting a hole based on the size of the fan you need.
In this video i give a step by step guide of how to fit install and wire a bathroom.
These fans usually extract around 95 m3 h metres cubed per hour and are perfect for installations directly through a wall.
But it must keep it out of arms reach spray distance of the bath and shower.
If you have access to the attic the fan can vent either through a gable wall or roof.
Lower the fan into place and secure it with drywall screws then use flexible duct pipes to vent the fan to the outside.
Attach the bathroom fan to the joist.
To install a bathroom fan go into your attic and clear away the insulation where the fan will go then return to the bathroom and use a jigsaw to cut out the hole for the fan.
An average size bathroom would typically have an extractor fan with a rating of at least 80 cfm.
A more powerful fan will be able to remove the moisture faster and a larger room can hold more moisture.
An axial fan is what most people picture when they think of a bathroom extractor fan.
Place the fan in the cut out hole so that the bottom edge of the fan is flush with the bottom of the ceiling drywall.
When considering how to install an extractor fan for the first time follow these tips and extractor fan regulations.
And under while medium bath fans work well for bathooms 70 to 100 sq ft.
Access the attic and bring your light cordless drill screws and bathroom fan housing.
Small bath fans provide adequate bathroom ventilation for 79 sq ft.
Avoid venting through a soffit vent or ridge vent.
Install your extractor fan close to the primary source of odour or moisture.
In order to obtain all these benefits you first need to install the bathroom extractor fan.
The kind you see on countless bathroom walls with a grille and a spinning fan blade behind.
Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.
So if you have a larger bathroom a more powerful extractor fan may be needed.
The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.
Before commencing the installation of your wall fan you will need to firstly decide on the location of the wall fan and then using your cable detector check for any existing wiring or metal that may be lurking beneath the surface.