Aprilaire Humidifier Review

The price of Aprilaire humidifier in the US is between $219.99 for the cheapest model and $1,029.99 for the most expensive humidifier, depending on its characteristics, functionality, and quality:

Product Page
AprilAire 400M Whole-House Humidifier, Manual Water Saver Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft, White reviewed by Community Clinic Association
AprilAire 600 Whole Home Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 5,000 Sq. Ft, White reviewed by Community Clinic Association
AprilAire 700 Whole Home Humidifier, Automatic Fan Powered Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 5,300 Sq. Ft, White reviewed by Community Clinic Association
AprilAire 800 Whole-House Steam Humidifier, Automatic Steam Humidifier, Large Capacity Whole-House Humidifier for Homes up to 10,300 Sq. Ft, White reviewed by Community Clinic Association
AprilAire 865 Whole Home Steam Humidifier, Manual Steam Humidifier with Wall Mount Fan, Whole House Humidifier for Homes without HVAC Duct System up to 10,300 Sq. Ft, White reviewed by Community Clinic Association
Aprilaire 400M Whole House Humidifier
Aprilaire 600 Whole Home Humidifier
Aprilaire 700 Whole Home Humidifier
Aprilaire 800 Whole Home Steam Humidifier
Aprilaire 865 Whole Home Steam Humidifier
Prime Benefits
Product Page
AprilAire 400M Whole-House Humidifier, Manual Water Saver Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft, White reviewed by Community Clinic Association
Aprilaire 400M Whole House Humidifier
Prime Benefits
Product Page
AprilAire 600 Whole Home Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 5,000 Sq. Ft, White reviewed by Community Clinic Association
Aprilaire 600 Whole Home Humidifier
Prime Benefits
Product Page
AprilAire 700 Whole Home Humidifier, Automatic Fan Powered Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 5,300 Sq. Ft, White reviewed by Community Clinic Association
Aprilaire 700 Whole Home Humidifier
Prime Benefits
Product Page
AprilAire 800 Whole-House Steam Humidifier, Automatic Steam Humidifier, Large Capacity Whole-House Humidifier for Homes up to 10,300 Sq. Ft, White reviewed by Community Clinic Association
Aprilaire 800 Whole Home Steam Humidifier
Prime Benefits
Product Page
AprilAire 865 Whole Home Steam Humidifier, Manual Steam Humidifier with Wall Mount Fan, Whole House Humidifier for Homes without HVAC Duct System up to 10,300 Sq. Ft, White reviewed by Community Clinic Association
Aprilaire 865 Whole Home Steam Humidifier
Prime Benefits

Unboxing & Install Aprilaire Humidifier 700



hey everyone we are on site at an April
air manufacturing facility in Madison
Wisconsin where people all around us are
building products that deliver you
healthy air every single day today we
are going to do an unboxing and
installation of our evaporative
humidifiers line to show you just how
simple it is to get people humidity
inside the home without further ado
let’s get started
first thing that we’re gonna do is take
the humidifier and all the components
out of the box simple box cutter get
right through that tape on both sides
let’s open it up and get out the goodies
starts with this this is probably the
most important thing in this box outside
of the humidifier itself this is both
the installation guide as well as the
template for how you cut the duct in
order to install the model 700
humidifier so on the front you’ve got
your template on the back you have your
instructions next we have the owner’s
manual everything that you need to know
to run the humidifier sits right in here
we have our model 60 automatic digital
humidistat we have our accessory bag
comes with screws and outdoor
temperature sensor 24 volt transformer
for connecting the humidifier to the
HVAC equipment using the control and
finally we have the model 700 right here
then underneath the humidifier you’re
going to have this sticker for the
homeowner which is going to tell them
when to change out the water panel and
to only use a genuine April air water
panel with their humidifier now we’re
going to show you how the components
that you’ve taken out of the box relate
back to your evaporative humidifier
first and foremost power cord 120 volts
simply plug it in let it run okay next
we have where we connect our water line
quarter-inch copper line is what we
recommend here
insulated if needed our lead wires
coming out of this humidifier for
connecting it to the 24 volt transformer
back to its control and to the HVAC
system alright let’s open this up and
take a peek at what’s on the inside so
to open this up we’ve got this tab right
here simply going to open that pops
right open that exposes two crucial
pieces to this humidifier number one is
our evaporative water panel number 35
water panel only replaced with a genuine
April arrow a.m. water panel that
ensures performance and you’ll also see
your feed tube here this is what carries
the water from the solenoid valve and
allows it to trickle down the panel now
that we have everything ready to install
our humidifier it’s time to put the
humidifier on the ductwork showing what
we would call the supply plenum right
here we’ve got one mocked up for
everybody to see now first thing that
you’re gonna need to do get your
template out of the box square it up to
your ductwork now in the box comes a
paper template you could tape this up to
here make sure that it’s perfectly
square so that you cut out the right
size hole or great news for you we got
better stuff now this right here form
number 273 go to April air partner’s
calm right now order some of these up
these are the new magnet templates they
go right up on the ductwork they’re
completely reusable super easy to square
up we’re gonna use this in order to put
our humidifier installation together
keeping in mind two things that you
already know number one you’re not gonna
be on the blanked off side of the coil
number two you’re gonna be high enough
above the coil so you’re gonna get good
air flow once this is in place most
crucial step of your template let’s make
sure it’s level now we cheated we did
this ahead of time so we know when we
put this level up here look at that
we’re in great shape
alright so templates up magnetic it’s
working great it’s nice and square we’re
gonna take out our magic sharpie now
we’re gonna align the outline of this
template so we know the space that we
got a cut line is up template comes down
perfect time to cut alright so we’re
gonna create a starter hole here so that
we can cut around our opening now you
guys got way better tools to do this
it’s gonna be much easier on you don’t
make too much fun of me I’m a novice at
this but we’re gonna put this starter
hole in we’re gonna get started okay so
our humidifier frame has been inset now
you’ve got little levers on the inside
that you’re gonna rotate down in order
to secure this to the ductwork this will
prevent your humidifier from shifting
okay once our frame is secured what
we’re gonna want to do is make sure that
there are no air gaps around it so
you’re gonna want to seal this up
dealer’s choice here you can either use
a tape or you can run a betta clock
around it in order to ensure that you
have no air escaping around the
humidifier so now we’re gonna put our
water panel back in now our water panel
there is a correct way for this to go in
number one drain spud to the bottom
number two you’ll see this little groove
at the top this is for the water feed
tube to go past okay water panel goes in
make sure that the notch is pointed in
so it can slide past the feed tube and
we are installed alright so now we’re
gonna put the cover on our model 700
humidifier super easy to do we just
gotta pay attention to a couple of
things number one this tab at the bottom
this goes on last
I always state that because people do it
the opposite way all the time your
humidifier will not seal these hooks at
the top of the humidifier they go on
first let me show you how so these just
hook right over the top just like so
okay and then we push it closed first
time every time
okay so our humidifier is all installed
through the ductwork now it’s time to
hook up the last crucial components in
order to make it work
first thing that we’re gonna have to do
run the water line right here
humidifiers can humidify if they don’t
have water quarter-inch line use two
wrenches tighten this up make sure
you’ve got a good seal so you don’t have
any leaks then we simply install our
drain hose refer to local codes
to ensure you are doing the proper type
of draining now you’re gonna have to run
these two lead wires according to the
installation instructions these will run
back through the control the 24 volt
transformer and circulate back through
the system in order to ensure proper
operation time for the 700 itself and
then finally we’re gonna plug in our
power cord and that’s going to give us
life our humidifier is now successfully
installed on the ductwork
it’s time to hook it up to a control in
order to do this we’re going to need to
cut into the ductwork on the return side
so that we can make a space for our
sensor here this requires a 3/4 inch
hole to be cut into the ductwork so the
sensor can be placed into the stream of
air this foam gasket will seal it so
that we don’t have any interference from
outside air
okay so we’ve drilled our 3/4 inch hole
in the ductwork for our sensor now it’s
time to put the control in place here’s
how we do it first thing we need to do
remove the style slides right off then
we can pop the cover off of the control
this exposes where we have our screw
holes for mounting to the ductwork and
also allows you to align your sensor
okay so we’ve dropped our sensor in
place and with the hole that we’ve cut
out I’ve secured our control with one
sheet metal screw on the left on the
right hand side we have a larger opening
this allows you to rotate the control up
and down as needed to ensure that you
get your control level on the duck core
now before we put our cover back on our
control we have several steps that we
have to do one of the first ones we
should take care of is the setting for
our water panel change which is right
here now if you look real close it’ll
show it on the instructions this is
actually a little arrow that is cutout
into this white portion here this is
currently set to OFF what we’re going to
want to do for a 500 600 or a 700 is
make one of three choices we can either
leave it at off which will never tell a
homeowner when to change the water panel
we can take our little screwdriver and
we can rotate that arrow to be which is
what you would use if there was hard
water and that will tell it to change
the water panel every 300 hours of
operation your other option
is continue rotating down to C C is for
normal humidifier operation this will
tell it to change the water panel every
600 hours so we’re gonna leave it at C
next we have to decide are we gonna let
this control run in auto or manual we
add April air recommend that you always
run our automatic digital humidifier
control in auto mode however should you
want to use manual you simply flip this
switch to the right and when your
control power is on you will see a
little M at the top-right corner of the
control indicating that we are in manual
mode finally we’re gonna have to wire
our control up so this is your wiring
terminal strip right here and we’re
gonna walk you through right now where
you would connect all of our wires in
order to ensure proper humidifier
operation your first one is your R and C
this is going to give you the 24 volts
from the HVAC equipment if you reverse
the rnc terminals on the humidifier
control you’re not going to get proper
operation so ensure that you’ve got that
taken care of the right way the OD T is
the outdoor temperature sensor terminals
this is where you would hook up our
outdoor temperature sensor please refer
to the installation guide for proper
outdoor temperature sensor placement W
is for your heat from your HVAC
equipment G is the fan from the
thermostat your H terminals are your
solenoid control output and your GF is
the fan signal to the HVAC equipment for
using blower activation all right so now
it’s time to put our humidifier control
face back on okay really simple to do
all you got to do is take this line it
up it’s gonna snap in place you’ll hear
it click and you’re on now
we’re gonna want to take our dial and
reassert our dial so there’s a flat end
on this we just line it up with the flat
end here and everything is in place from
this point it’s a couple more decisions
we have to make first one being do we
want to run with blower activation on or
off at Aprilaire you’re always going to
have us tell you to run it on it’s the
only way to guarantee that you are going
to get the proper gallons per day from
your humid
fire so we say always leave that on if
you would like to turn it off it is a
little toggle switch underneath you flip
it to the left it’s off flip it to the
right and it’s on now
best practice let’s run a test reset
mode to do this we take our dial we’ve
got our little arrow here we’re gonna
rotate this all the way to test reset
and you’re in test reset when you hear
it click you’re gonna run your test
reset and it’s going to ensure that
everything’s hooked up and running the
way that it should when you’re done you
need to rotate this out of test reset we
get calls all the time where this is
missed and these are left in test reset
don’t be the person who calls us up
because we’re gonna laugh at you when
you don’t turn this back to where it’s
supposed to be take this out a test
reset and put it to the number of
humidity you’ve determined what the
homeowner is correct for their home then
you’re done our goal today was to ensure
that you had everything that you needed
to complete a successful installation
on-site should you find that we missed
something or there’s more information
that you would like police feel free to
contact us at any time
our phone number is

Aprilaire Humidifier Deals and Discounts

Aprilaire Humidifiers

The Aprilaire Model 600M Humidifier is the top-performing bypass humidifier that is great for fighting dry air in your home. The water is pipetted into a distribution tray, where it is evenly distributed through outlets. The water then flows over the evaporator panel via gravity, evaporating from the panel. This means that the air in your home will be more humid than before. This unit comes with a one-year limited warranty.

Using an Aprilaire humidifier is a great way to maintain a comfortable humidity level in your home. It will prevent the formation of bacteria, dust mites, fungi, and viruses. The humidity levels that are ideal for human health will decrease the risk of respiratory illnesses and even aggravate symptoms of allergies and asthma. Additionally, the humidity will preserve any wooden furniture, trim, and molding. So whether you’re looking for an attractive and convenient way to keep your home hygienic, a humidifier can help.

A whole-house humidifier is an excellent solution for maintaining a healthy humidity level in your home. These units can integrate with your existing HVAC system or ductwork. They can be operated with a manual or digital controller, depending on the size of your home. You can also find installation guides and cleaning guides for your Aprilaire humidifier online. The manufacturer offers extensive support to answer any questions that you may have. When purchasing a new unit, make sure to read the owner’s manual and follow any instructions carefully.

An Aprilaire humidifier is an excellent investment in your home. The humidifier can improve air quality throughout your entire home. It will improve your health and prevent a cold or flu from brewing. If you’re worried that your air is too dry, use an Aprilaire Whole-House Humidifier. It’s easy to install and maintain with a simple DIY project. In addition to making your indoor air healthier, an Aprilaire humidifier will help you sleep better and enjoy more peace of mind.

An Aprilaire humidifier can be installed in your home by a heating and cooling professional and is ideal for homes with multiple rooms. It can help you save money on your energy bill by providing the perfect humidity level for your home. It will protect your valuable furnishings and make you feel comfortable in lower-temperature settings. A humidifier will also reduce your insurance premiums, which is a bonus. And it will add to your comfort. It will help you save money on heating bills.

Installing an Aprilaire Humidifier is simple and safe. Just remember to keep it at least five degrees above room temperature to ensure that it works properly. An Aprilaire humidifier also has an adjustable thermostat that makes it easy to adjust the humidity level. You can choose the desired humidity level with a manual. You can choose between a standard and an automatic one. The temperature settings will depend on the type of furnace you have.

The Aprilaire humidifier filter is easy to change and maintain. It is easy to replace and can be cleaned easily. The filter is easily removable and can be changed as needed. The filters are designed to fit perfectly in the casing of an Aprilaire humidifier. You can connect the two with two screws. In addition to this, the damper can be replaced by the user. The humidifier is now ready to function. Once it’s installed, it is a great investment for your home.

When it comes to installation, the Aprilaire humidifier has many advantages. The evaporative humidifier is designed to work with the blower motor of your furnace. This allows it to operate when your furnace calls for heat. To test its function, first set the temperature 5 degrees above the room temperature and then turn on the manual humidistat. You can also set the temperature manually by turning the control dial until it clicks. This is the easiest way to set up an Aprilaire humidifier.

If you have a forced-air furnace, you can install an Aprilaire humidifier on the return side. This is the safer way because there will be less threat to your furnace from moisture. In addition, the Aprilaire humidifiers are easy to install, which makes them an ideal choice for any home. If you’re looking for a humidifier that will provide your home with more humidity, you’ll be glad you did.

Aprilaire humidifiers are a popular brand of whole-house humidifiers designed to regulate indoor humidity levels in homes. Here are some of the pros and cons of Aprilaire humidifiers:

Pros of Aprilaire humidifier

  • Aprilaire humidifiers can humidify houses up to 4200 sq. ft.
  • Aprilaire humidifiers come with two water panels, which are season-specific.
  • The humidity level is adjusted automatically in Aprilaire humidifiers.
  • The Aprilaire 700 humidifier is designed to fit your home perfectly, and the water panel needs to be changed only once during the entire humidification season.
  • Aprilaire humidifiers can connect directly to your home’s water supply for easy operation.
  • The Aprilaire 800 whole house steam humidifier can work on spaces up to 6,200 square feet.
  • Aprilaire humidifiers use electric currents and are easy to install, operate, and maintain.

Cons of Aprilaire humidifier

  • Most homeowners will need to call in a professional to install Aprilaire humidifiers.
  • The Aprilaire 600 humidifier can take up to a week to run normally because it needs time to adjust existing moisture levels in the home.
  • The Aprilaire 800 steam humidifier can be overkill for smaller homes.
  • Mold spores and other allergens will not grow below 50 or 40% relative humidity, so it is important to maintain proper humidity levels to avoid these problems.

In conclusion, Aprilaire humidifiers have many pros, including the ability to humidify large spaces and easy operation and maintenance. However, some cons include the need for professional installation and the potential for overkill with larger models. It is important to consider your specific needs and the size of your home before selecting an Aprilaire humidifier.

Aprilaire Humidifier Guide

Aprilaire humidifier settings for winter
Keeping indoor humidity within the EPA recommended range can help your home’s overall comfort and health. It will also allow your HVAC system to run more efficiently and reduce your utility bill.
Whole-Home Humidification
One of the most effective ways to keep your home comfortable during winter is by using a whole-home humidifier. Installed directly into your home’s central heating system, a whole-home humidifier is designed to work with your furnace and create comfortable, healthy air throughout your entire home.
Automatic Digital Humidifier Control
Designed to accurately control the level of humidity in your home, Aprilaire’s automatic digital humidifier control works with an outdoor temperature sensor to monitor the air coming back from your furnace. It then adjusts the set point of your humidifier to maintain a comfortable, healthy level of relative humidity.
Change Water Panel Indicator Light
When your Aprilaire humidifier is ready for a new water panel, a flashing yellow light indicates that it is time to replace the old water panel with a new one. To reset this indicator light, simply rotate the control knob to the test reset position.
Removing Condensation from Windows
It’s a fact that warm humid air can cause condensation to form on your windows, especially when you’re in a drafty room. However, there’s no need to worry about this issue when you have an Aprilaire whole-home dehumidifier installed by a Besco Air Inc. Heating & Cooling professional. This high-capacity unit pulls air from every room and removes the moisture from it, distributing it back into your home through the return ducts.

Author: Dr. Dave Miles

Dave Miles All information provided by Community Clinic Association clients and approved by Dr. Dave Miles.
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Last update on 2023-06-04 / Disclaimer: as an Amazon Associate a Community Clinic Association team earns from qualifying purchases.

3 verified buyer reviews

  1. Gloria Hagenbarth

    This is an excellent humidifier. We have a 2400 square foot home, and it does a decent job of removing the shocks and itchiness that plagued us this winter. There are plenty of positive feedback here, but I wanted to go into more detail about the wiring because there are so many diagrams out there about how to connect this to a Nest, and none of them suit our needs. I’d like to share some information with those who might be looking for the same thing: a humidifier that is fully powered automatically by a Nest (3rd generation) and runs regardless of whether the heat is turned on or off. Our house is just a few years old, and the furnace is relatively efficient, so it doesn’t cycle heat long enough for the humidifier to raise the RH level in our home to the desired levels.

    I ended up buying the relay that several of these diagrams show, even though I didn’t need it. I’m not sure what the relay’s function is, but as you can see in the attached picture, all of the wiring in our system was done on the 24VAC terminals. The transformer, relay, and humidistat are no longer needed. By wiring in this manner, the Nest is able to fully power the humidifier. When the Nest requests humidity, it sends 24VAC on the * wire, so connecting that to the humidifier solenoid and connecting the common wire to the other completes the circuit when requested. Wiring this way often necessitates 6 wires to the Nest, so I ran 18/7 wire through the wall to the basement by taping it to the existing 18/5 wire.

    The next move is determined by your requirements. If (and only if) you have hot water flowing to the humidifier and the water heater is near to the furnace, set the thermostat’s “Pro” settings to “Hum. Only” and the fan to Activate. You’ll have to do “Hum + Heat” otherwise. You’ll be wasting a lot of cold water if you don’t have hot water.

  2. Bob

    I spent a significant amount of time deciding on a humidifier. I tested humidity levels in the house and found them to be fairly stable at 23-25 percent at 25-30 degrees outside. My house is 3000 square feet, and the specifications for this model restrict it to that scale. I was torn between the 600 and this 400 model. Finally, I chose this model because of its efficient water use, and after a lot of use, I am confident I made the right choice. This humidifier, unlike others, does not drain water unless there is a problem. Water still enters from the top and flows over the water panel, but the flow is interrupted when a holding cup on the bottom is filled. Other models simply keep running water until the humidistat no longer detects a need for humidity. The water in the cup is then wicked up, and the water flow is turned back on. This process is repeated as required.

    The humidistat will operate in automatic mode depending on the temperature outside. This seemed a little conservative for my house. In manual mode, I can easily maintain humidity levels above 40%. I don’t normally keep it this big, but I wanted to see if it could. I took the same humidity readings as before and got a reading that was within 3% of the standard in the building.

  3. Sean

    The humidistat model 62 is subpar. It reads 37%, while another show I have reads 33% (which is about where I am with no humidification). Which one is correct? I’m not sure, but I’d like more humidity, which isn’t likely. It will not humidify above 37 percent on the highest setting in manual mode. Some claim that 45 percent is good; I’d like to try it, but it’s not possible. Why can’t I make it a little higher?

    Another issue is that the steam-producing canister is incompatible with low-conductivity water, which seems to be what I have. I measured this by calculating the current drawn, which was only 2A rather than 16A. They market a specialized canister for this purpose (model 80LC, $115). I found someone who said he was advised by Aprilaire help to add 1/2tsp of salt to “jump start” the canister after some googling. When I did this, my current draw increased to 16A, as it should. I guess I’ll have to monitor this for a while.

    Even, unless you realize you have extremely high water conductivity, you should generally avoid running this at 110V. Due to the resistance of the water, lower voltage is unlikely to provide adequate power delivery. I’m curious why they heated the water with electrodes. A heating element will undoubtedly be more dependable.

    So it’s producing steam, but not very often due to the humidistat’s low maximum environment. I’ll have to replace the humidistat.

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