How Long Dryer Vent Can Be

January 29 2019 at 6 00 am est.

How long dryer vent can be. There are many things that contribute to the proper operation of a dryer the venting is one of the most critical. They state that a straight duct be no longer than 25 feet. Vent cap with wide four inch opening or mini louvers and smooth metal pipe total pipe length can be 64 feet with no bends total pipe length can be 54 feet with 1 bend total pipe length can be 44 feet with 2 bends. Tim carter by tim carter.

A typical 12 pound load of laundry. The international residential code irc section m1502 clothes dryer exhaust guidelines states that a dryer exhaust duct should not exceed 25 feet from the dryer to the exhaust vent in the wall or roof. One of the most important functions of a dryer is the elimination of moisture recovered during the heating of damp clothing. My clothes dryer stopped getting my.

Below we describe a dryer s functions and how its venting plays a crucial part. This mess can be avoided. Putting an exhaust fan into the dryer vent pipe will boost the dryer s performance especially over long distances. How long can my dryer vent be.

The maximum length of a straight run of dryer duct is 35 feet with a 5 foot deduction in length for each 90º bend and half that for 45º bends based on using a 4 inch smooth metal vent with no screws protruding into the air flow. Length is only if it s a straight line from the dryer to the exhaust which it rarely ever is. Notice that the length you are allowed to safely run the dryer vent depends on which style of duct your use the amount of elbows needed and type of vent hood. I need your advice.

Let s start with what the irc international residential code says. When the duct has a long way to go from the dryer to the. This vent brush is designed for standard 4 dryer venting. Look at the convoluted mess of a dryer vent pipe.

In addition if there is a 45 degree bend then deduct 2 5 feet from the recommended length and if there is a 90 degree bend deduct 5 feet.