Wall or Roof Dryer Vent - What's Best? Wall or Roof Dryer Vent - What's Best?

There are many considerations to make when deciding on a roof dryer vent or a wall vent for the dryer. The information below describes how roof vents may not be the best option for your dryer.

Disadvantages of Roof Vents

  • Roof vents have many disadvantages to the homeowner. The most significant disadvantage is that such vents tend to build up lint in large amounts – there have been cases of 6 to 10 feet of the ductwork filling with built up lint. It is nearly impossible to reach the end of such a duct with any kind of a cleaning tool. It is difficult to get on the roof and clean from the outside, and few people make the climb, remove the roof cap, and clean the duct.
  • A roof dryer vent will require that your dryer push a gallon of water, lint and hot air vertically for many feet – at least 18 if you have any kind of an attic, and many homes that have a roof dryer vent have 20 to 30 feet of vertical pipe.
  • Additionally, squirrels and birds often nest in the roof vent caps of roof dryer vent.

The Bottom Line

All experts recommend making the shortest and most direct route from the dryer to the outside in order to let the dryer work as efficiently as possible. A roof dryer vent usually does not fit that order and going with a wall vent will prove more beneficial.

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