Dryer Vent Booster Fan Installation

Hot air from the dryer is then pushed out the exit.

Dryer vent booster fan installation. The airflow through your dryer vent cannot be maintained at the speed necessary to move lint for more than 35 feet. I have talked little about these booster fans simply because most homes do not possess them. Fan and switch mounting the recommended location of the booster fan is a minimum of 15 linear not equivalent feet of duct from the dryer outlet. When calculating the length of your vent every 90 degree turn is equal to five feet in length.

Follow these guidelines to install your fan quickly and hassle free. Booster fans should be added to any dryer duct exceeding 25 feet in length. There are several models of booster fans. Most home inspectors in the united states when citing regulations pertaining to dryer venting refer to the international residential code.

If a dryer s vent run is over 25 equivalent feet or the dryer is experiencing long drying time your dryer may need a dryer booster fan. Step 1 choose booster fan. Dryer vent booster fan installation and repair well i think it has been all of 3 weeks since i last spoke of dryer vent booster fans but another booster fan had began to cause problems for this homeowner so it appears service was in order. If your dryer vent is longer than 35 feet we recommend that a booster fan is installed to help your system run more efficiently.

When using equivalent feet a 90 elbow equals 5 feet and a. The dryer duct booster can also reduce the potential fire hazard associated with lint buildup. A pressure sensitive switch automatically starts the dryer vent booster fan only when the dryer is running. It can help improve the flow of the air so that it doesn t get bogged down and.

A dryer vent booster fan can increase the life of your dryer increase the dryer s efficiency and decrease the fire hazard in your home. When is a dryer exhaust necessary. Booster fan airflow must not exceed the dryer fan capacity. According to some dryer installation instructions and local building codes booster fans should be added in the dryer duct run when the length of duct exceeds 25 feet with no bends 20 feet with one bend or 15 feet with 2 bends.

When the duct has a long way to go from the dryer to the exterior wall a booster fan is actually a good idea. Fr series inline fans are not explosion proof.