Can You Vent Your Dryer Into The Attic

Lint and grease are fire hazards moisture promotes molds and heat will cause snowmelt that often results in ice dams.

Can you vent your dryer into the attic.

In addition to being against most building codes and a potential fire hazard venting a dryer in an attic can result in moisture problems which could lead to rot or mold in your attic. If you plan to hook your ac unit into an existing dryer vent you need to be willing to constantly monitor the dryer and the air conditioner to ensure that both of those units continue to operate safely and efficiently. The international residential code allows you to run a dryer vent through the attic but you can t terminate it there. A dryer vent should be vented outside.

Venting dryers and bathroom and kitchen fans into an attic is a very poor practice. In these cases it may be necessary to vent your dryer through the attic. Second is that a drain vent is typically too small and too moist to properly vent a bathroom fan. Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside.

Venting a dryer into an enclosed space is never a good idea. It introduces moisture heat and grease in a space that is not designed to receive them. Not all dryers will allow for this so be sure to check the owners manual to ensure it can be vented in this manner. 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.

It can cause you a lot of problems with mold and mildew forming on the underside of your rafters and decking as well as getting into your insulation. Several different ways you can move that hot air to the outside. Sewer gas can be explosive not to mention likely to be unpleasant and possibly unhealthy. For more on dryer venting see our blog posts what is the maximum length for a clothes dryer vent.

Doing so would fill your attic with warm moist air that could rot the framing. Check out our video on dryer vent safety for more information. Your dryer must be able to rid itself of excess hot air or that heat can build up and become a fire hazard. No it s never a good idea to have any exhaust fan in your home dump all that hot moist air in your attic.