Extractor Fan Through Roof

In order to accomplish this the roof has to have a hole cut in it.

Extractor fan through roof.

I have my fan vented out through the roof but near the inside of the roof in my attic the vent leaks a bit and condensation gets on the wood and a bit down in the insulation around where the vent goes out. This is often a much easier job as it requires less building work. This system is quiet too. Because the fan is in the attic you ll hardly hear it.

Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood. 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. If it s impossible for you to fit an extractor fan through your wall or ceiling they can also be placed in windows. I can feel some water around the metal wrapping of the vent where there is an opening.

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. First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic. A single exhaust exits through the roof figure a.

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