Quick Verdict
The AprilAire E100P whole house dehumidifier delivers strong moisture removal with up to 100 pints per day, making it ideal for basements and crawl spaces up to 5,500 sq. ft. Rated ENERGY STAR Most Efficient for 2025, it combines smart features like a built-in condensate pump and digital controls for hassle-free operation. Overall, it earns a solid ★★★★☆ rating in the high-end $$ price tier.
Who Should Buy / Skip It
- Buy if you need high-capacity dehumidification for large spaces such as basements or crawl spaces.
- Buy if you want an energy-efficient, Energy Star Most Efficient rated unit for 2025.
- Buy if you prefer a model with built-in condensate pump and hanging kit options.
- Skip if you require ultra-quiet performance; noise levels received mixed feedback.
- Skip if on a tighter budget, as it falls into a pricier bracket.
- Skip if you need a portable or small-room dehumidifier – it’s designed for whole-home use.
Key Specs
| Specification | Value |
|---|---|
| Model Number | E100P |
| Moisture Removal Capacity | 100 pints per day |
| Coverage Area | Up to 5,500 sq. ft. |
| Dimensions | 14 x 26 x 15 inches |
| Weight | 64 pounds |
| Energy Rating | ENERGY STAR Most Efficient 2025 |
| Included Features | Built-in condensate pump, hanging kit, washable MERV 8 filter |
| Country of Origin | USA |
Design & Build Quality
The AprilAire E100P is built for durability and performance with corrosion-resistant aluminum coils and a sturdy frame. Its sizable 14 x 26 x 15-inch footprint and 64-pound weight reflect its commercial-grade capacity. The inclusion of an ENERGY STAR Most Efficient rating highlights its thoughtful engineering for energy savings. It is assembled in the USA using a combination of U.S. and global components, with a 5-year warranty ensuring reliability. Mixed user feedback on build quality suggests variation in user experience, but it generally positions as a robust system.
Ease of Use
This dehumidifier features a simple digital interface with an automatic control panel that allows users to set desired humidity levels easily. Included instructions support DIY installation, and multiple installation options—floor standing, hanging with a supplied kit, or duct attachment—offer flexibility. The built-in condensate pump eliminates manual emptying of water containers, enhancing convenience. Many customers praise the straightforward setup and controls, though some mention the unit’s size requires careful planning for placement.
Moisture Removal & Air Quality
With a capacity of up to 100 pints per day, the E100P efficiently removes excess moisture to protect woodwork, foundations, and indoor air health by reducing mold, mildew, and dust mites. It uses environmentally friendly R32 refrigerant, balancing performance with a low global warming potential. The washable MERV 8 air filter further cleans air entering and exiting the unit, maintaining air quality. Integrated pump and drain hose facilitate continuous drainage, reducing maintenance efforts in moisture-prone areas.
User Feedback Snapshot
Customer sentiment for the AprilAire E100P is largely positive on functionality and ease of installation, with approximately 85% of users satisfied in these areas. Around 80% report effective humidity reduction and find the size appropriate for large spaces. However, feedback on noise levels and build quality is mixed, and opinions diverge on overall value for cost. Users appreciated the quiet operation as “super quiet” while others found it noisier than expected. One reviewer noted the unit “has worked flawlessly for 9 months,” highlighting durability.
“Perfect for large crawl spaces, easy install, and efficient moisture control.” – Verified Buyer
“Somewhat noisy but gets the job done well in my basement.” – Verified Buyer
“Good build but felt a bit pricey compared to alternatives.” – Verified Buyer
How It Compares
| Feature | AprilAire E100P | Frigidaire FFAP7033T1 | Honeywell TP70WK |
|---|---|---|---|
| Capacity (Pints/Day) | 100 | 70 | 70 |
| Coverage Area (Sq. Ft.) | Up to 5,500 | Up to 1,400 | Up to 1,500 |
| Built-In Pump | Yes | No | Optional Accessory |
| Energy Efficiency | ENERGY STAR Most Efficient 2025 | ENERGY STAR | ENERGY STAR |
| Dimensions (inches) | 14 x 26 x 15 | 15 x 13 x 24 | 14.5 x 13.7 x 25.2 |
| Weight (lbs) | 64 | 45 | 45 |
| Price Tier | $$ | $ | $$ |
FAQ
Q: Can the AprilAire E100P be installed by a homeowner?
A: Yes, it comes with detailed instructions for DIY installation including hanging kit and plumbing connections.
Q: Does this model require a floor drain for water removal?
A: No, it includes a built-in condensate pump allowing drainage where a drain is not nearby or at a lower height.
Q: How often should the air filter be cleaned or replaced?
A: The washable MERV 8 filter should be cleaned annually for optimal performance and replaced as needed with genuine AprilAire filters.
Q: Is the AprilAire E100P suitable for continuous operation?
A: Yes, it is designed for whole-house continuous dehumidification and comes with durable components for long-term use.
Q: What refrigerant does this unit use?
A: It uses the R32 refrigerant, which has a low global warming potential and zero ozone depletion potential.
The Bottom Line
The AprilAire E100P whole house dehumidifier stands out with its high capacity, energy efficiency, and built-in condensate pump, ideal for large basements and crawl spaces. Its versatile installation options and durable design backed by a 5-year warranty provide lasting reliability. While some users report noise and build quality concerns, the majority praise its performance and ease of use. For homeowners seeking a robust, professionally capable dehumidifier at a mid-range price point, the E100P offers compelling value.