Dryer Vent Into The Attic

When venting dryers for long distances use rigid metal pipe with as few elbows as possible.

Dryer vent into the attic.

Not all dryers will allow for this so be sure to check the owners manual to ensure it can be vented in this manner. First of all wherever possible do not vent the exhaust from either a dryer or a bathroom into or through the attic or any other unheated space in the home. Can a dryer vent go up through an attic. It introduces moisture heat and grease in a space that is not designed to receive them.

These exhaust streams are full of moisture and hence have a high potential for condensation. This also means that you can t blow the dryer exhaust into the attic or the crawlspace. If venting outside isn t an option you can vent the dryer out of the attic through the roof using a special roof vent to keep rain out. You must terminate your dryer vent outside the building according to section m1502 of the irc.

Venting dryers and bathroom and kitchen fans into an attic is a very poor practice. Lint and grease are fire hazards moisture promotes molds and heat will cause snowmelt that often results in ice dams. It s ok to vent the dryer directly into the house so that the air can be used as either a source of humidity or a source of heat. Venting a dryer into an enclosed space is never a good idea.

This code requirement is usually referred to when a homeowner wants to install air conditioning ducts from the house hvac system to the garage but also applies for dryer ducts. Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside. The photo below shows an accumulation of dryer lint in an attic after years of the vent terminating in it. The problem with attics.

Be careful you don t cut through any studs electrical wires or pipes in the process. A dryer vent should be vented outside. Of energysmiths meriden new hampshire responds.