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AprilAire 700 Whole Home Humidifier, Automatic Fan Powered Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 5,300 Sq. Ft., White

4.5 4.5 out of 5 stars 1,093 ratings

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Humidifier

Purchase options and add-ons

Brand Aprilaire
Special Feature Adjustable Humidity Control, Digital Display, Auto Shut Off, Service Filter Indicator, Humidistat
Color Gray
Filter Type Evaporative
Floor Area 5300 Square Feet
Capacity
18 Gallons
Material
Plastic
Power Source
ac
Control Method
Remote

About this item

  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the USA by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,300 square feet in tightly built homes with a capacity of 18 gallons per day
  • AUTOMATIC HUMIDIFIER with dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity to deliver optimum humidity 24/7 throughout the home – simply set it and forget it
  • BUILT-IN FAN pulls heated air directly from the furnace through the humidifier
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions

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Product details

  • Product Dimensions ‏ : ‎ 15.91 x 10.34 x 18 inches; 15.43 Pounds
  • Item model number ‏ : ‎ 700Z
  • Date First Available ‏ : ‎ December 16, 2014
  • Manufacturer ‏ : ‎ Research Products Corporation
  • ASIN ‏ : ‎ B00R3FY6KA
  • Customer Reviews:
    4.5 4.5 out of 5 stars 1,093 ratings

Product Description

AprilAire introduced the first evaporative humidifier for forced air furnace systems back in 1954. Since that time, AprilAire continues to lead the industry in whole home humidification systems. Our evaporative humidifiers work by piping water into the distribution tray located at the top of the humidifier. The water is uniformly distributed across the width of the tray and through a scientifically designed system of outlets. It flows by gravity over the Water Panel evaporator. Dry, hot air from the HVAC system is moved through the moisture-laden Water Panel evaporator. Natural evaporation takes place, the water is turned to vapor, and the humidified air is circulated throughout your home.

INCLUDED IN THE BOX: Installation instructions and template, humidifier with built-in fan, 24 VAC transformer, automatic digital humidifier control with sensor, outdoor temperature sensor, saddle valve, solenoid valve, and Model # 35 Water Panel


From the manufacturer

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Balance your home's humidity

AprilAire Whole-House Humidifiers balance your home's humidity to help improve sleep and dry skin, enhance productivity, and keep you protected against airborne viruses. Additionally, AprilAire Humidifiers help preserve your home and any contents susceptible to cracking and warping due to low humidity levels.

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Maintain Wellness

Reduce airborne illnesses that can cause respiratory infections, asthma attacks, and allergic reactions by maintaining proper relative humidity in your home.*


*E.M. Sterling, “Criteria for Human Exposure to Humidity in Occupied Building,” ASHRAE Winter Meeting, 1985


Lower Energy Costs

Humidifiers can affect the "real feel" temperature in your home, which can prevent your furnace from working overtime.

Home Preservation

Air that’s too dry can cause wood to splinter. Protect the structural integrity of your home and wooden furnishings like floors and cabinets with solutions intuitively designed to create healthy environments.

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Compatible AprilAire Water Panel Humidifier Filter

Humidity for Comfort

Whether your home is in a dry region of the country, or in an area with seasonal dryness, maintaining proper humidity levels can make all the difference in how comfortable you feel in your home.

Humidity Control at the Ready

All our humidifiers ship with either an Automatic or Manual Humidifier Control (also known as a Humidistat). With an AprilAire Whole-Home Humidifier, you will also avoid common problems associated with less moisture in the air such as dry throat and static shock.

AprilAire Genuine Water Panels

Designed to keep your AprilAire humidifier operating at peak performance, AprilAire Water Panels should be changed per the recommended schedule for your Model, typically once or twice per heating season. All AprilAire Whole-Home Humidifiers ship with the Water Panel(s) needed for one season. Additional/Replacement Water Panels sold separately.

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AprilAire 700 Whole-House Humidifier + Automatic Control AprilAire 300 Self-Contained Whole-House Evaporative Humidifier AprilAire 400 Whole-House Humidifier + Automatic Control AprilAire 500 Whole-House Humidifier + Automatic Control AprilAire 600 Whole-House Humidifier + Automatic Control AprilAire 800 Whole-House Steam Humidifier
Customer Reviews
4.5 out of 5 stars
1,093
3.7 out of 5 stars
5
4.3 out of 5 stars
308
4.5 out of 5 stars
1,736
4.6 out of 5 stars
775
Water Capacity (Gallons Per Day) 18 GPD 13 GPD 17 GPD 12 GPD 17 GPD 11.5 GPD
Home Size Coverage 5300 Sq. Ft. 3900 Sq. Ft. 5000 Sq. Ft. 3600 Sq. Ft. 5000 Sq. Ft. 10,300 Sq. Ft.
Water Panel Model & Replacement Frequency Per Season 35, Once 35, Once 45, Twice 10, Once 35, Once 80 Steam Canister, Once
Fan Included Yes
Floor Drain Required Yes Yes Yes Yes Yes
Dimensions & Weight 15.91" L x 11.35" W x 18.0" H, 17.0 lbs. 14.38" L x 22.07" W x 12.43" H, 29.2 lbs. 15.38" L x 10.25" W x 15.75" H, 10.0 lbs. 15.63" L x 10.25" W x 13.0" H, 7.75 lbs. 15.38" L x 10.25" W x 15.75" H, 10.0 lbs. 10.13" L x 7.13" W x 20.88" H, 23.0 lbs.
Electrical Specifications 120VAC, 1 phase, 60 Hz, 0.8 Amps 120VAC, 1 phase, 60 Hz, 0.7 Amps 24VAC, 1 phase, 60 Hz, 0.5 Amps 24VAC, 1 phase, 60 Hz, 0.5 Amps 24VAC, 1 phase, 60 Hz, 0.5 Amps 120VAC, 1 phase, 60 Hz, 11.5 Amps

What's in the box

  • 24VAC Transformer, Humidifier Control, Valves, Installation Instructions
  • Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    1,093 global ratings

    Customers say

    Customers like the performance, ease of installation, humidity and quality of the humidifier. For example, they mention it works well right out of the box, provides much-needed humidity and is able to raise the humidity in minutes. That said, opinions are mixed on the value.

    AI-generated from the text of customer reviews

    76 customers mention63 positive13 negative

    Customers like the performance of the humidifier. They say that it works well, is simple to operate, and is a great investment for home and family. It works better on the supply side and causes some condensation. The automatic function works perfectly to maintain the humidity in their home during sub-zero temperatures. The display works excellent and provides a heads up view of how the humidification system is working. Overall, customers are satisfied with the performance and functionality of the product.

    "...The newer model version works perfectly with my new furnace. Can’t be more happier with my purchase. Wished I’d done it sooner...." Read more

    "...Because this humidifier works really well and it will cause some condensation on your windows (especially upstairs) if you are not careful...." Read more

    "...Now that it is installed it is working great. My original is now 20+ years and going strong. I expect this one will serve me equally well." Read more

    "...Works better on supply side instead of return as other models. The outdoor temperature sensor requires house thermostat upgrade." Read more

    55 customers mention40 positive15 negative

    Customers find the installation of the humidifier to be fairly easy. They mention that the instructions are ok, the wiring is straightforward, and the connections are simple.

    "...I would suggest that you do the same. Ease of installation was even easier with the friend advising!..." Read more

    "...All told, the install wasn't too hard, and I ended up $600 into it after all was said and done - almost half of what the local HVAC companies were..." Read more

    "complete with all needed including great directions" Read more

    "...First off, I would say that install difficulty is above average...." Read more

    44 customers mention31 positive13 negative

    Customers like the humidity of the product. They say it provides much-needed humidity to their home and the control is automatic. They also appreciate the intelligent humidity sensor that adjusts the humidity level. Overall, customers are happy with the product's ability to provide a comfortable humidity level in their home.

    "...I really like the newer digital console and the intelligent humidity sensor that will adjust the humidity level indoors based on the external temp..." Read more

    "...As far as operation - this is a great unit, and it had an immediate effect on the dry air in our home this week!" Read more

    "...Because this humidifier works really well and it will cause some condensation on your windows (especially upstairs) if you are not careful...." Read more

    "I'm an indoor air quality expert and this unit has provided consistent humidity for our home during the winter months...." Read more

    24 customers mention22 positive2 negative

    Customers are satisfied with the quality of the humidifier. They mention it's a reliable product, with a good build quality. Some say that it'll require an in-depth installation.

    "...Very pleased with the build quality of the 700 and the support from their tech...." Read more

    "Good product and seems to be doing its job...." Read more

    "Great unit and easy to install but good to be aware of a few extra as that couldBe needed. 1...." Read more

    "...that is what we were replacing, and we found it to be a very reliable product. We need humidity in the house during the winter...." Read more

    13 customers mention13 positive0 negative

    Customers say the comfort level of the humidifier is improved. They mention that the dust is down, there are no more static shocks, and their skin is soft. They also say that their sinus issues have gone away and they sleep much better.

    "...The comfort level rose significantly: Dust is down, no more static shocks, no more bloody noses and overall a nicer atmosphere during the..." Read more

    "...My animals are not staticky, my skin is soft, my nose isn’t dry, and I was able to take my heater down to 70 from 73 and still feel comfortable!..." Read more

    "...So far, I have not been shocked, my sinuses have not been sore due to dry heat and my guitars have not needed any attention...." Read more

    "...No more static shocks every time I touched metal and my skin isn't cracking and itching the way it usually does in the winter...." Read more

    20 customers mention13 positive7 negative

    Customers are mixed about the value of the humidifier. Some mention it's a great investment and a lifesaver for a guitar collector. However, others say that it was not worth the purchase, was a complete waste, disappointing, and overpriced.

    "...Even lets you know when the water pad needs to be changed. Great investment, glad I took the time do it...." Read more

    "Base on such a simple design it is so overpriced but there is little competition. Design has change in 10 years." Read more

    "...Worth every penny!!" Read more

    "...This runs great and is a great investment for home and family." Read more

    8 customers mention5 positive3 negative

    Customers have mixed opinions about the noise of the humidifier. Some mention that it's quiet, while others say that it makes a rattling sound from the fan.

    "...I'm willing to take a chance on the mister as they're quiet, don't require a water panel replacement at certain intervals, and also don't trickle..." Read more

    "...Once installed, the new humidifier works great and the fan on it is much quieter than the one on the old humidifier that got nosier as it aged...." Read more

    "The quietness of it & I wanted more humidity in the house when in winter you are running heating it makes house more comfortable and HEALTHY plus..." Read more

    "It is very quiet and works well. Easy to install" Read more

    6 customers mention0 positive6 negative

    Customers are dissatisfied with the leakage of the humidifier. They mention that it uses and wastes a lot of water. Some say that it leaks water out of the internal basin at first.

    "...However, it did leak water out of the internal basin at first, presumably because I had the tap for the hot water inlet pipe opened up fully...." Read more

    "...The drain continually dumps water, but that’s the price of comfort." Read more

    "...While these little gems may be easy, they can be a homeowner nightmare when they leak." Read more

    "...So much water down the drain." Read more

    Great device, but skip the install kit (no value)
    4 Stars
    Great device, but skip the install kit (no value)
    I ordered the Humidifier with install kit, thinking the extra $75 for a ready to install kit would be a good value for the money. Well - it isn't. Here's a couple reasons why:-They tell you the preferred location for the humidistat is on the return duct, but only give you about 10 ft of 5-wire thermostat wire. There's NO way to run that neatly into the furnace cabinet/control board.-They give you a 25 ft roll of 1/4 OD PEX, but the ferrules in the saddle valve and humidifier solenoid port are brass (no-no for plastic tubing). Had to buy my own ferrules.-The humidifier comes with a saddle valve, but there's no way I'd risk breaking into my water heater's hot water output pipe with that thing....I ran PEX from my ManaBloc all the way to the humidifier, with a Sharkbite quarter-turn shutoff adapter.The only thing that ended up being useful from the install kit was the drain line, which I could have gotten for far less than $75....Save yourself the money and get a nice PEX crimper/cutter kit for that, instead..All told, the install wasn't too hard, and I ended up $600 into it after all was said and done - almost half of what the local HVAC companies were quoting for the job, and I've got a new set of tools/experience under my belt for the next job...As far as operation - this is a great unit, and it had an immediate effect on the dry air in our home this week!
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    Top reviews from the United States

    Reviewed in the United States on February 14, 2024
    Style: HumidifierVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on February 24, 2024
    Style: Humidifier + Installation KitVerified Purchase
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    5.0 out of 5 stars Amazing! No more filling a humidifier!
    Reviewed in the United States on February 24, 2024
    I had an HVAC friend help me install it. I would suggest that you do the same. Ease of installation was even easier with the friend advising! Installed in December and love the house maintaining around 40% humidity. No more shocks on light switches or on each outer or from our dog! Highly recommend!
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    Reviewed in the United States on March 6, 2021
    Style: HumidifierVerified Purchase
    Customer image
    5.0 out of 5 stars Please read for Carrier furnace and thermostat
    Reviewed in the United States on March 6, 2021
    ** 2 year update:
    I still love this humidifier it has never caused me issues that required replacement parts. The only maintenance i've done is changing pads every 6 months to a year and wipe down the inside with vinegar water to clean it up. Also twice the small orfice clogged causing water to slow or stop and humidity to drop. Easy fix with a small wrench and needle.
    **

    Original review:
    First of all, this humidifier is a lifesaver. It works amazingly well. But I'm reviewing because I want to help buyers who have a Carrier thermostat and furnace. My Carrier Infinity Touch thermostat did not use all the standard wires that most thermostats use. The wiring instructions for this unit did not apply to my system at all unfortunately because my Carrier thermostat was wired up with just 4 wires: +power, -power, data+, and data-. At first I thought the install wouldn't be possible because of the wiring but then I realized that my furnace computer board had a "hum" pin on it. In my case, the output was 24v AC, which is exactly what the Aprilaire unit was expecting in order to trigger the relay to activate humidification. So What I did was plug the two loose wires from the humidifier directly to "Hum" and the "C" terminal on the furnace. WARNING: Not all furnace "hum" terminals are 24v AC, so you need to make sure your unit has the correct voltage on that pin before doing that. Because the wiring was this way, my thermostat had to directly control the humidifier, so i did not use the aprilaire humidistat that comes with it. The most trouble in the whole install that I faced was that initially, my Carrier Infinity Touch thermostat would not allow me to control the humidity. At first, all the humidity settings were greyed out so I couldn't click them. If this happens to you, you need to enable the humidifier "accessory" on the thermostat. This is how: Go to the main menu on your thermostat (dont try this on the phone app), then click and hold the "service" button until it turns green (about 10-15sec). Then you should see a hidden menu that the technicians are supposed to use. From there, go to "setup" then scroll and click "accessories". Then click "humidifier". Now you can tell the system that you have a humidifier plugged in. You can also set a reminder for 6 months or a year or whatever to change your humidifier filter. The other option "humidifier with fan" is a little bit vague but i have it enabled and it works how i want it to. If the humidity drops down, the furnace fan and the humidifier both turn on, even if the heater itself is not heating. This was my desired feature. Now you will be able to control all those settings for humidity that were greyed out before. I highly recommend enabling "window protection" if you live in a cold climate. Because this humidifier works really well and it will cause some condensation on your windows (especially upstairs) if you are not careful. Humid air rises! Check your windows and keep an eye on them because if they get moisture on them that means your attic can also get moisture and you really don't want that. I Hope this helps at least one person! Thank you Aprilaire!

    P.S. I had no water flowing on my humidifier after the first install, but i realized there is a tiny yellow restrictor hole that got plugged with something so i stuck a fine needle in it and water works fine now. I Haven't had an issue with that since. The restrictor is just after the solenoid on my 700 model.
    Images in this review
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    36 people found this helpful
    Report
    Reviewed in the United States on March 4, 2024
    Style: Humidifier + Installation KitVerified Purchase
    Customer image
    B K
    4.0 out of 5 stars Great device, but skip the install kit (no value)
    Reviewed in the United States on March 4, 2024
    I ordered the Humidifier with install kit, thinking the extra $75 for a ready to install kit would be a good value for the money. Well - it isn't. Here's a couple reasons why:

    -They tell you the preferred location for the humidistat is on the return duct, but only give you about 10 ft of 5-wire thermostat wire. There's NO way to run that neatly into the furnace cabinet/control board.
    -They give you a 25 ft roll of 1/4 OD PEX, but the ferrules in the saddle valve and humidifier solenoid port are brass (no-no for plastic tubing). Had to buy my own ferrules.
    -The humidifier comes with a saddle valve, but there's no way I'd risk breaking into my water heater's hot water output pipe with that thing....I ran PEX from my ManaBloc all the way to the humidifier, with a Sharkbite quarter-turn shutoff adapter.

    The only thing that ended up being useful from the install kit was the drain line, which I could have gotten for far less than $75....Save yourself the money and get a nice PEX crimper/cutter kit for that, instead..

    All told, the install wasn't too hard, and I ended up $600 into it after all was said and done - almost half of what the local HVAC companies were quoting for the job, and I've got a new set of tools/experience under my belt for the next job...

    As far as operation - this is a great unit, and it had an immediate effect on the dry air in our home this week!
    Images in this review
    Customer image
    Customer image
    Reviewed in the United States on December 27, 2023
    Style: Humidifier + Installation KitVerified Purchase
    One person found this helpful
    Report

    Top reviews from other countries

    Mhd
    4.0 out of 5 stars Needed for every house, not super easy to install depending on the amount of duct work
    Reviewed in Canada on January 18, 2021
    Style: HumidifierVerified Purchase
    One person found this helpful
    Report
    Donald W. Calgary, AB
    5.0 out of 5 stars A humidifier that actually works.
    Reviewed in Canada on March 14, 2019
    Style: HumidifierVerified Purchase
    21 people found this helpful
    Report
    James
    5.0 out of 5 stars Great Power Humidifier - Make sure to get Wiring, tubbing and screws before starting
    Reviewed in Canada on September 20, 2021
    Style: HumidifierVerified Purchase
    One person found this helpful
    Report
    Alexdude
    3.0 out of 5 stars Good humidifier, complex to install & expensive!
    Reviewed in Canada on February 11, 2022
    Style: HumidifierVerified Purchase
    Amazon Customer
    5.0 out of 5 stars Good
    Reviewed in Canada on September 22, 2023
    Style: HumidifierVerified Purchase