Well you can vent out the roof which is becoming a more common practice.
What do roof vents look like.
Like ridge vents roof louvers and gable louvers work without the use of electricity.
Some vents like wind turbines and power vents require external power sources like the wind and electricity.
To the untrained eye ridge vents can be almost invisible.
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.
Which are turns in the vent it s more like 25 feet.
It will look much like a toilet drain pipe and will either stop in the attic and be.
Virtually any large diameter pipe found in an attic that is running up through the floor will be a vent pipe.
A ridge vent uses the natural convection of air.
High impact copolymer and are installed underneath a final layer of shingles to give a seamless look to the roof.
Some other ventilation systems leave hot and cold zones throughout the roof s surface but a ridge vent ensures that there is an even temperature distribution throughout the roof s surface.
The ridge vent cut at the roof ridge or peak extends the entire length of the ridge stopping just a foot or so from either end and should give 1 5 to 2 5 of open space no plywood on either side of the ridge board for.
First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.
Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood.