For dryers that are located in a place where venting to the outside is difficult it s ok to simply vent the dryer into a container of water.
Venting electric dryer into attic.
Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside.
A dryer vent should be vented outside.
In these cases it may be necessary to vent your dryer through the attic.
The problem with attics.
But we don t recommend it for two reasons.
That is the old material type tubing simply ended by a overhang side of the house where it exhaused into the attic and not outside.
Some homeowners use a much simpler system of venting down into a bucket of water like in the photo at the top of this page.
The air is usually loaded with lint and if you don t vent it outside it can cause all kinds.
When a dryer is in.
Venting the dryer outside in cold weather wastes a lot of heat.
The attic is usually colder than the rest of the house during the winter and that can create a problem for a dryer vent.
Dryer lint is also highly flammable.
When our dryer was replaced we decided to bring the dryer venting system early 1960 up to code by replacing the tubing that vented into the attic.
Every electric dryer has to have an outlet through which it expels warm moist air or it won t work.