How do I vent a dryer properly? (with photos)

A woman pulling sheets out of a dryer.

The best way to vent a dryer is to run rigid ducts from the dryer’s exhaust port to the outside. When the dryer is located in an indoor location adjacent to an outdoor wall, which is often the case, this usually involves making an opening in the outdoor wall at least 12 inches (30.48 cm) above the ground and 12 inches (30 cm) above the ground. .48 cm) from external obstructions such as decks or air conditioners. The orifice is equipped externally with a ventilation cap, from which the ducts are directed to the exhaust outlet of the dryer. If a dryer is located away from external walls, a duct system running from the dryer location to an external vent cover must be installed to facilitate the ventilation process. The use of smooth-sided rigid ductwork is recommended whenever possible to reduce lint buildup, which can lead to issues such as poor dryer efficiency and fires.

Inside a clothes dryer.

A standard household clothes dryer can remove up to 3 gallons (11.36 liters) of water from a full load of washing. This water is removed from the wetsuit by evaporation and then venting warm moist air out of the drying chamber. However, if warm, moist air flows into the room around the dryer, moisture will condense and accumulate.

Tumble dryer lint can be a fire hazard if not collected and disposed of properly.

Dryer wet exhaust exhaust can cause serious structural damage if not slowed down, especially if moisture accumulates behind the walls of the structure. Structural elements such as wood nails and plaster can absorb moisture, losing strength and compromising the integrity of the structure. Wood can rot and mold can develop. Thus, most homes are built with ducts that provide a passage for dryer exhaust to completely exit the structure. This conduit leads to the outside of the structure and is covered to prevent the entry of rainwater or animals.

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To connect the dryer ventilation to the exhaust ducts built into the structure, a flexible duct is available. In the United States, flexible ducting is typically made of four-inch (10.16 cm) diameter wire-reinforced sheet metal or plastic and is attached to the dryer exhaust port. Flexible tubing should be cut to size and the free end fixed to a port that projects into the house dryer’s exhaust piping. The clamps can be elastic clamps that look like very large rubber bands, or they can be tightly screwed metal rings. Care must be taken to avoid crushing the flexible ducts, which will reduce the efficiency of the dryer and can lead to increased heat, lint buildup, and fire.

When installing a dryer in an apartment, there may not be access to the internal ducts to ventilate it. The most common way to vent a tumble dryer in an apartment is to vent the hood through the window. This is accomplished by building a frame cut to the width of the window and 6 – 8 inches (15.24 – 20.32 cm) high and installing an external dryer door in it. The frame is installed by opening the window, putting the frame in place and attaching flexible tubing to it. This arrangement can be left in place or taken out and stored when the dryer is not in use.

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