AprilAire
Aprilaire 1850 (E100) Dehumidifier
Best high-capacity dehumidifier for maintaining healthy air in large home spaces.
The Aprilaire 1850 (E100) Dehumidifier is engineered for exceptional energy efficiency, recognized as a Most Efficient ENERGY STAR® 2021 model. This unit is ideal for managing humidity in basements, sealed crawl spaces, or throughout your entire home, effectively removing up to 100 pints of moisture daily. Maintaining optimal humidity levels between 40% and 60% is crucial for inhibiting the growth of viruses, bacteria, and mold, contributing to healthier indoor air. The E100 offers robust performance in a portable, durable design made in the USA.
$2014.97
Owner Satisfaction
4.7
/ 5
Category Rank
1
/ 303
Best Dehumidifiers
Price vs Category Average
+370%
Above average
Capacity
958060
/ pints/day at °F/% RH
Who it's for
- Homeowners managing moisture in large basements or whole-house systems
- Property owners prioritizing long-term reliability and equipment longevity
- Installers seeking versatile integration with existing HVAC ductwork
Who should skip it
- Budget-conscious buyers looking for an affordable residential solution
- Individuals with limited storage space or restricted installation areas
- Renters or those needing a portable, plug-and-play dehumidifier
Performance breakdown
Moisture Removal Capacity
Handles large basements and crawl spaces with impressive daily water extraction.
Energy Efficiency
Top-tier efficiency ratings keep long-term operational costs remarkably low.
Build Durability
Corrosion-resistant coils and robust construction ensure years of reliable service.
Operational Convenience
Continuous drainage and auto-restart features allow for truly hands-off humidity management.
Noise Output
Operates at a moderate volume suitable for basements but noticeable in living areas.
Control Precision
Digital interface makes maintaining specific humidity levels simple and highly accurate.
Key Specs
Capacity
95 pints/day at 80°F/60% RH
Coverage Area
2800 sq ft
Weight
64 lbs
Amps
6.9 A
Voltage
120 VAC, 60 Hz
Energy Factor
2.9 Liters/kWh
Humidity Setpoint Range
40%-60%
Refrigerant Type
R410A
Features
- ENERGY STAR certified for efficiency
- Powerful moisture removal for large spaces
- Supports healthier indoor air quality
- Durable construction made in the USA
- Continuous drainage for unattended operation
- Corrosion-resistant aluminum coils
- Built-in digital control for humidity management
- Ideal for basements and whole-home use
What customers say
The Aprilaire 1850 is highly praised for its powerful and reliable moisture removal, making it ideal for large, challenging spaces. Users appreciate its quiet operation and the significant improvement in air quality and odor elimination it provides. While the initial investment is considerable, its long term performance and durability are consistently seen as justifying the cost. This dehumidifier is considered a robust, long term solution for serious humidity control, favored by those who prioritize effectiveness and consistent results over budget concerns. It offers a set it and forget it experience for many.
Know before you buy
This unit is designed to cover areas up to 2,800 square feet. It is well-suited for large basements, sealed crawl spaces, or as part of a whole-home humidity control system.
No, the E100 is designed for continuous drainage. It does not have an internal reservoir, so you will need to set up a drain line to a floor drain or sump pump for unattended operation.
The built-in digital control allows you to set your desired humidity level between 40% and 60%. Maintaining levels in this range is recommended to help prevent the growth of mold, bacteria, and viruses.
The E100 has a minimum operating temperature of 50°F. If your space drops below this temperature, the unit may not function effectively or could be prone to frost buildup.
The unit features a washable air filter, which makes maintenance simple and cost-effective. We recommend checking it regularly and rinsing it with water whenever it appears dusty to ensure optimal airflow and efficiency.
Yes, the E100 includes an auto-restart feature. If power is lost, the unit will resume its previous settings once electricity is restored, ensuring your space remains protected without manual intervention.
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$2015