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Aprilaire 700 Automatic Humidifier

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Aprilaire 700 Humidifier - Automatic Power Humidifier (Digital Control)

square footage 4200
gallons per day 18
SKU: 700
$263.11 Includes FREE Shipping in Continental U.S.
Same Day Shipping for Orders Placed by 5:00 PM EST!

Full Description

Special Same Day* Ground Shipping On The Aprilaire 700 Humidifier!

The Aprilaire 700 Humidifier humidifies homes up to 4,200 square feet and can deliver 18 gallons of water each day!

This unit features the new #60 humidistat that enables your system to be automatically controlled - taking the guesswork off of your hands! The #60 humidistat will mount directly to your return duct and will notify your humidifier when more humidity is needed to reach the desired set point. If you prefer manual operation to automatic, you can have it installed in manual mode.

When it comes to the Aprilaire 700 installation, simply install into your supply duct. The Aprilaire 700 humidifier comes with a built-in fan that pulls the warm air from your furnace and uses it to create humidity, making it more efficient and effective at humidifying your home than a bypass humidifier. The plenum (duct) opening measures 14 3/4" by 14 5/16".

This humidifier comes as a complete system and includes the following items with purchase:

  • #60 Automatic humidistat
  • #35 Aprilaire water panel
  • Outdoor temperature sensor
  • Saddle valve
  • 24V transformer
  • Owners manual

Add the new Aprilaire 700 Humidifier Annual Maintenance Kit to your order! This convenient kit gives you all the parts you need to maintain your Aprilaire 700 humidifier each year and keep it running in like-new factory condition.

This whole home, fan-powered humidifier is a direct dimensional replacement for the Aprilaire 760 humidifier! 

5 Year Manufacturer's Warranty.


How To Change The Water Panel
Aprilaire 700 Fan Powered Humidifier Water Panel Change



Best Seller? Yes
Brand Aprilaire
Actual Gallons Per Day 18
Control Automatic Digital
Drain Required? Yes
Equipment Type Whole House Humidifier
Gallons Per Day 15 - 20
Square Footage 4000 - 5000
Style Whole House

Users Reviews

Great Product / Great Service

I ordered the Aprilaire 700 automatic for my new home because I had a similar older model in my previous home that I installed 10 years ago. I was pleasantly surprised to receive the humidifier two days after I ordered it from

Review by Nels Jacobsen (Posted on 2/12/12)
Aprilaire 700

I purchased the Aprilaire 700 on 1-1-2010. I had it installed by a licensed electrician, and it worked fine through last spring, then I had trouble with it blinking and not turning on, progressively getting worse, and finally it went dead. Obviously my

Review by Howard Zimmerle (Posted on 12/26/10)
Aprilaire 700A Humidifier

I purchased a new humidifier from and received the item in just a few days. I was replacing an older humidifier with the same footprint as the new one. The instructions that came with the device were staightforward and I was abl

Review by Stephen Vincent (Posted on 6/8/09)
Great humidifier!

Great humidifier! It wasn't very hard to install just follow the directions. It Is a great solution to keep your house from being too dry in the winter. I was tired of messing with room humidifiers and filling them daily and changing filters. Just set thi

Review by Patrick Eddy (Posted on 6/8/09)

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