Aprilaire 1770A Whole House Dehumidifier
The Aprilaire Model 1770A dehumidifier works throughout your entire home. It removes up to 300% more water per
kilowatt hour than leading portable dehumidifiers. The
Aprilaire 1750A and 1770A models differ only in capacity the 1770A
has a total removal capacity of up to 150 pints per day.
The 1770A also features truly automatic control, so there
is never a need to manually control the dehumidifier.
Just set it once and forget it. The best choice for healthy, comfortable air is the 1770A
Whole House Dehumidifier installed in your new or existing heating and cooling system. The benefits and results speak for themselves.
What I like about the Aprilaire 1170A:
The Aprilaire 1770A is a ductable dehumidifier that has all the same features
as the popular 1750A model. What sets it apart, is an impressive
AHAM removal capacity of 150 pints per day. The color has been changed from
beige to light blue, and
it has an LED status indicator that lets you know when the unit is running, sampling, defrosting or in
need of service. This dehumidifier is built to integrate into your homes HVAC system and requires
some installation with ducting work. The dehumidifier comes with built-in duct collars to easily attach to your HVAC system.
It has a built in air cycling feature which will trigger the blower in your HVAC system to turn on.
This feature is helpful to help balance the humidity of the air throughout the entire home.
Lastly, this unit has something I have never seen on any other dehumidifier, it has the ability
to pull in air from the outside using its patented built in ventilation feature. The dehumidifier will
dehumidify the incoming air from outside as it enters.
Aprilaire offers an accessory called the Living Space Control which can be used with this dehumidifier to
monitor and control moisture in a specific location. This accessory looks like a thermostat on a normal HVAC.
What I do not like about the Aprilaire 1770A:
As with all Aprilaire dehumidifiers, I wish it had a hygrometer on board rather than just a 15 position turn knob.
This model does not come with wheels. It can be converted into a free standing unit in the event you need to dehumidify an isolated area.
In summary, if I was going to attach a dehumidifier to my HVAC system, I would definitely consider this model. The features and performance
make it an ideal unit to keep relative humidity in check throughout your home. Could I do the installation myself? Probably, but I would
give serious thought to having an HVAC professional come out and hook it up for me.
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Installation of an AprilAire 1770 dehumidifier helps qualify your home for the National Association of Home Builders' 
