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AprilAire E100 Pro 100-Pint Whole-House Dehumidifier, Energy Star Certified, Commercial-Grade Whole-Home Dehumidifier for Basement, Crawlspace, or Whole House up to 5,500 sq. ft.

4.5 4.5 out of 5 stars 195 ratings
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Sustainability features

This product has sustainability features recognized by trusted certifications.

Energy efficiency

Conserves energy compared to similar products.

As certified by
ENERGY STAR Most Efficient ENERGY STAR Most Efficient

ENERGY STAR Most Efficient recognizes the best of ENERGY STAR products, which are independently certified to save energy, save money and lower carbon emissions to help reduce climate change. ENERGY STAR certified products can help you save on household energy bills while reducing your carbon footprint. All told, ENERGY STAR has achieved over 3 billion metric tons of GHG reductions since 1992. Each year, the ENERGY STAR products that represent the most energy-efficient in their category are selected to receive this special distinction.

Learn more about this certification

Carbon impact

Carbon emissions from the lifecycle of this product were measured, reduced and offset.

As certified by
ENERGY STAR Most Efficient ENERGY STAR Most Efficient

ENERGY STAR Most Efficient recognizes the best of ENERGY STAR products, which are independently certified to save energy, save money and lower carbon emissions to help reduce climate change. ENERGY STAR certified products can help you save on household energy bills while reducing your carbon footprint. All told, ENERGY STAR has achieved over 3 billion metric tons of GHG reductions since 1992. Each year, the ENERGY STAR products that represent the most energy-efficient in their category are selected to receive this special distinction.

Learn more about this certification

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Dehumidifier

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About this item

  • PROTECT YOUR HOUSE - Reduces & controls basement & whole home humidity to help prevent damp carpeting and furnishings, mold, mildew, and odors, and mold, termites, structural wood rot, and odors in a sealed crawl space
  • SET AND FORGET - Smart sensing technology automatically starts dehumidification when humidity above target is sensed
  • ENERGY EFFICIENT - Energy Star Most Efficient Certified Dehumidifier removes up to 100 PPD of moisture using less energy, reducing the impact on your energy bill and the environment
  • NO MESSY WATER TRAY TO EMPTY and simple to set up - just place a hose or place dehumidifier over a floor drain
  • BUILT TO LAST with corrosion-resistant aluminum coils, AprilAire Dehumidifiers are designed and manufactured in the U.S.A. by AprilAire, the leader in indoor air quality solutions

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Product details

  • Product Dimensions ‏ : ‎ 26 x 9 x 15 inches; 64 Pounds
  • Item model number ‏ : ‎ E100
  • Date First Available ‏ : ‎ May 11, 2021
  • Manufacturer ‏ : ‎ Research Products Corporation
  • ASIN ‏ : ‎ B094PZ8YSK
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.5 4.5 out of 5 stars 195 ratings
Sustainability features

Sustainability features

This product has sustainability features recognized by trusted certifications.

Energy efficiency

Conserves energy compared to similar products.

As certified by
ENERGY STAR Most Efficient ENERGY STAR Most Efficient

ENERGY STAR Most Efficient recognizes the best of ENERGY STAR products, which are independently certified to save energy, save money and lower carbon emissions to help reduce climate change. ENERGY STAR certified products can help you save on household energy bills while reducing your carbon footprint. All told, ENERGY STAR has achieved over 3 billion metric tons of GHG reductions since 1992. Each year, the ENERGY STAR products that represent the most energy-efficient in their category are selected to receive this special distinction.

Learn more about this certification

Carbon impact

Carbon emissions from the lifecycle of this product were measured, reduced and offset.

As certified by
ENERGY STAR Most Efficient ENERGY STAR Most Efficient

ENERGY STAR Most Efficient recognizes the best of ENERGY STAR products, which are independently certified to save energy, save money and lower carbon emissions to help reduce climate change. ENERGY STAR certified products can help you save on household energy bills while reducing your carbon footprint. All told, ENERGY STAR has achieved over 3 billion metric tons of GHG reductions since 1992. Each year, the ENERGY STAR products that represent the most energy-efficient in their category are selected to receive this special distinction.

Learn more about this certification

Part of
Sustainability features
Climate Pledge Friendly

Product Description

The AprilAire E100 Dehumidifier is ideal for dehumidifying your whole home, basement, or sealed crawl space, removing up to 100 pints of water per day. For your convenience, it can be ducted to your HVAC system, the control panel can be mounted on the top or front of the unit so it is easy to access in any location, and it has leveling feet. The dehumidifier has a simple to use interactive display making set-up and use a breeze. The AprilAire E100 is low maintenance with no messy water tray to empty, and simple once a year filter cleaning or replacement. The AprilAire E100 was designed and manufactured in the U.S.A. by AprilAire and built to last. AprilAire uses only corrosion-resistant aluminum coils, quality manufacturing processes to prevent leaks, and robust packaging for damage-free shipment. To give you even more peace of mind, it’s backed by a 5-year warranty. This Dehumidifier is compatible with 110 VAC to 120 VAC single phase 60 Hz power sources. It is not compatible with 50 Hz power sources.


From the manufacturer

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Balance your home's humidity

AprilAire Whole-House Dehumidifiers


AprilAire Dehumidifiers balance your home’s humidity by reducing mold- and mildew-causing moisture, keeping you protected against the harmful effects of allergy and asthma symptoms.* AprilAire Dehumidifiers also preserve your home and any contents susceptible to warping and rot and help prevent pests.**


*CDC.gov, "Basic Facts about Mold and Dampness,” 2022


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

Dehumidify for. . .

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Health

The air we breathe matters to our health. While viruses, bacteria, mold, and other airborne particles may thrive in excessively damp conditions, you can thrive in the sweet spot in between 40 and 60% relative humidity created by AprilAire Dehumidifiers.

Comfort

Excess moisture in your home can be obvious. You might smell it in the form of musty odors. You might see it in the form of mold and mildew. You might even feel it in the form of sweat or clamminess. AprilAire Dehumidifiers help maintain the right level of humidity making all the difference in how comfortable you feel in your home.

Preservation

Air that's too damp can cause wood to warp. 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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Ideal for Whole-Home Application

The AprilAire Model E100 is ideal for dehumidifying whole homes. Protect against structural damage, pests, and mold.

Expanded Capacity

Removes up to 100 pints (15 gallons) of moisture from the air per day and rated ENERGY STAR Most Efficient 2023.

Area Coverage

Designed to remove moisture in areas up to 5,500 sq ft.

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AprilAire E100 Pro 100 Pint Dehumidifier for up to 5500 sqft AprilAire E100 Pro 100 Pint Dehumidifier + Casters for up to 5500 sqft AprilAire E100 Pro 100 Pint Dehumidifier + Model 76 Control for up to 5500 sqft AprilAire E70 Pro 70 Pint Dehumidifier for up to 2000 sqft AprilAire E80 Pro 80 Pint Dehumidifier for up to 4400 sqft AprilAire E130 Pro 130 Pint Dehumidifier for up to 7200 sqft
Customer Reviews
4.5 out of 5 stars
195
4.5 out of 5 stars
195
4.5 out of 5 stars
195
4.5 out of 5 stars
188
4.5 out of 5 stars
197
4.7 out of 5 stars
20
Capacity (Pints Per Day) 100 PPD 100 PPD 100 PPD 70 PPD 80 PPD 130 PPD
Home Applications Ideal for Whole Home; Also suitable for Basement & Crawl Space Ideal for Basement; Also suitable for Whole-Home & Crawl Space Ideal for Whole Home; Also suitable for Basement & Crawl Space Ideal for Crawl Space; Also suitable for Whole-Home & Basement Ideal for Basement; Also suitable for Whole-Home & Crawl Space Ideal for Whole Home; Also suitable for Basement & Crawl Space
Built-in Digital Control (Mounting Option) Top or front-mount Top or front-mount Top or front-mount Front mount only Top or front-mount Top or front-mount
Leveling Feet or Casters Leveling Feet Casters Leveling Feet Leveling Feet Leveling Feet Leveling Feet
Includes Drain Tube Yes Yes
Dimensions & Weight 26.0" L x 14.0" W x 15.0" H, 64.0 lbs. 26.0" L x 14.0" W x 15.0" H, 64.0 lbs. 26.0" L x 14.0" W x 15.0" H, 64.0 lbs. 25.0" L x 12.5" W x 12.5" H, 56.0 lbs. 26.0" L x 14.0" W x 15.0" H, 63.0 lbs. 30.0" L x 19.5" W x 18.75" H, 113.0 lbs.
Voltage, Phase, Frequency, Current Draw 120VAC, 1 phase, 60 Hz, 6.9 Amps 120VAC, 1 phase, 60 Hz, 6.9 Amps 120VAC, 1 phase, 60 Hz, 6.9 Amps 120VAC, 1 phase, 60 Hz, 5.8 Amps 120VAC, 1 phase, 60 Hz, 5.1 Amps 120VAC, 1 phase, 60 Hz, 8.3 Amps

What's in the box

  • Model E100 Dehumidifier, Owner's Manual, Installation Manual, 10-inch Outlet Duct Collar, 10-inch Inlet Duct Collar, Backdraft Damper, Torx Bit (T20), Leveling Feet, Screws, Barbed Drain Fitting, 8-foot Power Cord, Washable MERV 8 Filter
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    195 global ratings

    Customers say

    Customers like the performance, quality and ease of installation of the dehumidifier. For example, they mention it does a great job, is energy efficient and is heavy duty. Some appreciate the noise level and size. That said, some complain about the value.

    AI-generated from the text of customer reviews

    24 customers mention19 positive5 negative

    Customers like the performance of the dehumidifier. For example, they say it does a great job, is energy efficient, and works well in the central closet. Some mention that the product is nice, but expensive.

    "...it on and set it to the percentage I wanted and it worked so well in the central closet that I haven't bothered to connect into the house system...." Read more

    "...expensive dehumidifiers but the ease of installation, high level of design and features, online installation videos and promise of telephone support..." Read more

    "...These Aprilaire units are absolutely the best. They truly work and are enegy efficient...." Read more

    "...times with tach support to make this unit funtion but it never worked properly...." Read more

    23 customers mention17 positive6 negative

    Customers like the quality of the dehumidifier. For example, they mention it's a heavy duty dehumdifier, does a great job dehuminizing, and manages humidity in the house. Some say that it'll permanently solve a damp basement and improve the air quality throughout the house, even if it'd be expensive.

    "...It is downstairs on the main level and actually takes care of the entire house...." Read more

    "The dehumidifier does a great job dehumidifying my shop, two story 2400 sq ft floor...." Read more

    "...They are a poor substitute for American designed products...." Read more

    "...The air quality is also significantly better throughout the houseThe unit runs pretty much all the time but is super quiet...." Read more

    15 customers mention15 positive0 negative

    Customers find the installation of the dehumidifier to be simple. They mention that the programming is easy and quick, and the device is easy to start and operate.

    "...Installation instructions were easy to follow and the unit itself provides information on the screen about what stage it is in, existing humidity..." Read more

    "...the ease of installation, high level of design and features, online installation videos and promise of telephone support from Americans convinced me...." Read more

    "Easy to install. Just level the unit, buy a 3/4 plastic drain line and hook it upend run it to a drain, and plug it in...." Read more

    "...This newer E100 unit is a straightforward install for a DIY'er...." Read more

    14 customers mention11 positive3 negative

    Customers like the noise level of the dehumidifier. They say it works well and is super quiet.

    "...The unit is extremely quiet...." Read more

    "...The unit runs pretty much all the time but is super quiet...." Read more

    "...Once this was completed the unit seemed to work well. The unit is pretty quiet for what it is, it dehumidifies extremely well so far, I hope it..." Read more

    "...The unit is quiet and discharges a continuous stream of condensate while it's running. It's really kind of impressive...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the size of the dehumidifier. They mention that it is smaller and lighter than the Honeywell model it replaced.

    "...E100 is smaller and lighter and definitely has improvements like digital display over the 1700...." Read more

    "This is a great size, and takes a ton of humidity out of the air. But as other reviewers have mentioned it's incredibly noisy if you don't duct it...." Read more

    "Lighter and more compact than the Honeywell model it replaced...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the water resistance of the dehumidifier. They mention that it pulls water out of the air like there is no tomorrow, and it pours out water. The unit is quiet and discharges a continuous stream of condensate while it's running.

    "...As for my April Aire e100; it just pulls water out of the air like there is no tomorrow. My house is a drafty 2 story built in the 1800's...." Read more

    "...The unit is quiet and discharges a continuous stream of condensate while it's running. It's really kind of impressive...." Read more

    "Replaced my Santa Fe Classic Dehumidifier with this. LOVE IT!! It pours out water!..." Read more

    4 customers mention0 positive4 negative

    Customers are dissatisfied with the value of the dehumidifier. They say it's expensive, but you get what you pay for.

    "...Expensive but permanently solves a damp basement." Read more

    "Sure, it's expensive. But you get what you pay for...." Read more

    "Expensive, but really did the job in our large basement. Highly recommend." Read more

    "Nice, very expensive though....." Read more

    Does a great job, but could use minor tweak
    5 Stars
    Does a great job, but could use minor tweak
    The humidity in our 3,200 sq. ft. 2 story house with finished basement was consistently hovering around 70% on all 3 floors. We purchased this AprilAire E100 Pro unit and had it vented directly into our existing HVAC system. Although it took almost 4 weeks to bring the whole house humidity down to 40%, this dehumidifier has worked flawlessly from the very beginning.Be advised this humidifier will display a reminder on the control screen to check and clean the air filter every six months. My only complaint is that the access panels are secured to the unit with a #10-24 x 1/2" truss head machine screw, necessitating the use of a screwdriver to gain access to the air filter. I corrected this inconvenience by replacing the supplied screw with a #10-24 x 1/2" knurled round plastic knob thumbscrew. See photos. Now I am able to access the air filter every six months simply by turning the knob with my hand, instead of fumbling around looking for a screwdriver each time. Seems to me AprilAire should have thought of this by including in its packaging a knobbed thumbscrew to use as a replacement for one of the existing access panel machine screws.Overall, we are very pleased with this unit. It has done a great job managing the humidity in the house.
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    Top reviews from the United States

    Reviewed in the United States on December 22, 2023
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    Reviewed in the United States on February 19, 2024
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