You mount a switch in each bathroom.
Extractor fan through roof.
This system is quiet too.
In order to accomplish this the roof has to have a hole cut in it.
Look for the special fans starting at 160 at heating cooling equipment.
If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do 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.
This involves running ductwork from the fan usually though an attic and out through the roof.
If it s impossible for you to fit an extractor fan through your wall or ceiling they can also be placed in windows.
This is often a much easier job as it requires less building work.
A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.
Because the fan is in the attic you ll hardly hear it.
I can feel some water around the metal wrapping of the vent where there is an opening.
Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.
Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood.
First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.