A Dryer Booster Fans are great!  Not only do they lower your electric bill, they provide greater home safety.

One of these can lower your home's electric bill by cutting down on the time you have to run your dryer (a BIG energy user).  They can also raise your home's safety by eliminating lint buildup in a hot vent.

Too much lint is a fire hazard.  Consumer Reports claimed that 15,000 house fires annually can be traced back to excessive lint, igniting in a vent.  Is your home, your spouse worth the risk?

These are, on the whole, quiet fans.  Noise and Vibration are not problems with these units.   When a short length dryer duct is not a possibility,  a long vent and a booster fan becomes necessary.

A sign that you need a booster is excessively long drying times and lint accumulation.  With a pressure boosting fan, lint doesn't have a chance to stick around because it is blown out of the duct.  The idea is simple, a fan 'helps' or 'sucks' the air from the dryer and moves the air and lint along out of your dryer and out of the duct.

These can be installed in just about any position, as needed, and usually have a pressure switch or other mechanism to make them switch on and off only as needed.  No unneeded power loss.  These install fairly easily, only an hour or so.

With a booster added to an existing dryer, your dryer may seem like new.  This is one product that really delivers on it's promises.  A booster can definitely improve dryer efficiency.  As an aside, it can lower radon levels.  Any exhausting from the room where the radon is, can help lower levels.

Booster fans are usually pretty quiet because the fan itself is usually mounted outside the living space under the house or in a wall. Having an exhaust fan in place can also help dispel some moisture build up problems in the laundry room.  That is a free improvement in indoor air quality.

A booster is called for if the dryer exhaust line is longer than 20 or so feet or has more than 2 turns.  Most boosters can push air hard enough to get it through a 60 foot section of vent with several bends.

A 90 degree bend can be thought of as 5 feet of straight pipe and a 45 degree bend can be thought of as 2 1/2 feet of straight pipe.  It can also cool down the laundry room and make it seem less dusty (actually linty).

A booster places less wear on both your clothes and the appliance, making both last longer.  Installing one of these really makes sense if the dryer only vents to a garage.  The booster can take the exhaust safely to an outside wall.

Adding a booster can be seen as a 'green' thing to do.  This is true because the dryer will use less energy to accomplish it's job.

Because a booster more forcefully moves lint along and out of the vent, paradoxically less lint will be noticed coming out of a roof mounted exhaust.  This is because when lint does come out, it is in smaller pieces (more often).

Here's a video of a dryer duct being cleaned which you will want to do when you install your dryer fan:

More advanced models place the blower motor outside of the airflow, to prevent any lint from getting into the works.  There is a trade off, though.  With the motor offset, these models are bulkier and are less flexible as far as placement is concerned.

The motor needs to be accounted for, sort of side car style.  Planning ahead before you buy is a good idea.  Where will it be installed?  Where will power come from?

Modern dryer fans will turn on automatically when the dryer produces heat.  There are also commercial vent motors available in different styles.

Unless you are ready to go ventless, consider installing  a dryer vent booster today and enjoy faster drying times.

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