Extractor Fan Through Roof

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.

Extractor fan through roof.

This system is quiet too. 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. I can feel some water around the metal wrapping of the vent where there is an opening. A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.

First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic. 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. 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.

Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. You mount a switch in each bathroom. Look for the special fans starting at 160 at heating cooling equipment. A single exhaust exits through the roof figure a.

Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood. This involves running ductwork from the fan usually though an attic and out through the roof.