Extractor Fan Through Roof

This involves running ductwork from the fan usually though an attic and out through the roof.

Extractor fan through roof.

A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan. Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood. You mount a switch in each bathroom. First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.

Because the fan is in the attic you ll hardly hear it. However you will need to cut a hole in your glass which is a tricky job for diy beginners contact a glazier if you are unsure. I can feel some water around the metal wrapping of the vent where there is an opening. If it s impossible for you to fit an extractor fan through your wall or ceiling they can also be placed in windows.

This system is quiet too. The extractor fan can be installed in the ceiling with ducting through roof eaves to an external wall vent or in the wall straight through to external vent or even in a glass window though this is much less common nowadays. A single exhaust exits through the roof figure a. In order to accomplish this the roof has to have a hole cut in it.

This is often a much easier job as it requires less building work. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.