E100 100 Pint Professional-Grade Dehumidifier


Dimensions: 14" (W) X 15" (H) X 26" (D)


Part of our e-series line of dehumidifiers, the AprilAire E100 is one of our most energy-efficient models to date. Recognized as the Most Efficient of ENERGY STAR® 2022, it is ideal for dehumidifying your basement, sealed crawl space, or whole home. The E100 removes up to 100 pints (12.5 gallons) of moisture from the air per day. This helps keep your home's humidity in the ideal range of 40-60% relative humidity to fight viruses, bacteria, mold, and other airborne pollutants. 


For your convenience, the built-in digital control can be configured on the top or on the inlet side of the unit for easy access. Its interface makes setup and operation quick and easy. The dehumidifier has a simple-to-use interactive display making setup and operation a breeze.


Designed and manufactured in the U.S., the AprilAire E100 is backed by a 5-year warranty. AprilAire continues to improve the quality of its dehumidifiers with corrosion-resistant aluminum coils, quality manufacturing processes to prevent leaks, and secure packaging for damage-free shipment.



E100 100 Pint Professional-Grade Dehumidifier           

Most effcient 2022


dehumidifier-icons_Capacity dehumidifier-icons_EE dehumidifier-icons_Use

Delivers Best-In-Class Humidity Control

Model E100 Features:








Recognized as the MOST EFFICIENT of ENERGY STAR® 2022


REMOVES up to 100 PINTS (12.5 gallons) of water per day





BUILT TO LAST with corrosion-resistant aluminum coils.

E100 100 Pint Professional-Grade Dehumidifier




E100 100 Pint Professional-Grade Dehumidifier







NO MESSY WATER RESERVOIR TO EMPTY and simple to set up. Just attach the dehumidifier hose or place it over a drain, level it, plug it in, set the target humidity and you’re done.


SET IT AND FORGET IT control automatically starts dehumidification when humidity above target is sensed


Learn More About Our Castered E100C Unit here







Humidity Plays a Key Role in Wellness

Benefit Icon   Health

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.

Learn More
Benefit Icon   Comfort

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

Learn More
Benefit Icon   Preservation

Help preserve the natural beauty of wood floors, cabinetry, furnishings, and anything else in your home susceptible to warping, cracking, or other permanent damage due to dry air.

Learn More
Healthy Humidity Icon

Breathe Healthy Air, no matter when or where with the AprilAire Healthy Air Systemâ„¢. Find out how balancing your humidity benefits your health.

Learn More





Installation instructions


5881 Filter

Torx Bit

#10 1/2" Screws (9)

Drain Connection

Inlet/Outlet Collars

E100 100 Pint Professional-Grade Dehumidifier

Products Related to the Model E100


AprilAire 4510 Dehumidifier Filter for Dehumidifier Models 1700, 1710, 1720, 1750, 1770


AprilAire 4904 Dehumidifier Filter for Dehumidifier Model 1730A


AprilAire 5443 Replacement Filter for Dehumidifier Models: 1830, 1850, 1850W, 1852 and Ventilation Models: 8191, 8192


AprilAire 5569 Filter for Dehumidifier Models E130, E130C, 1870, and 1872






Find a Pro










Healthy Air Professionals Who Care

  • custom-evaluations-icon Custom Evaluations and Expert Advice
  • professional-installations-icon Professional Installations and Maintenance
  • local-service-icon Fast and Friendly Local Service

Let's Get Started

The first step is simple. Share your zip code below for a comprehensive list of certified AprilAire Partners in your area who can help you breathe Healthy Air.