Aprilaire 80-Pint Whole-House Dehumidifier vs Aprilaire 100-Pint Whole-House Dehumidifier: Spec Comparison
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You are comparing the aprilaire 80 pint whole house dehumidifier vs 100 pint whole house model. Both units are Energy Star Most Efficient certified and use smart sensing technology to maintain humidity levels automatically. They share corrosion-resistant aluminum coils and continuous drain hose options. The main difference lies in their moisture removal capacity and the square footage they can effectively cover. You need to match the unit size to your specific home dimensions for optimal performance.
Key differences
| Aspect | AprilAire 80-Pint Whole-House Dehumidifier | AprilAire 100-Pint Whole-House Dehumidifier |
|---|---|---|
| Moisture Removal Capacity | 80 PPD | 100 PPD |
| Coverage Area | Up to 4,400 sq ft | Up to 5,500 sq ft |
| Dimensions (W x H x L) | 15.4 x 17.1 x 34 inches | 14 x 15 x 26 inches |
| Weight | 63 pounds | 64 pounds |
Which one should you choose?
Choose AprilAire 80-Pint Whole-House Dehumidifier if
- You have a home under 4,400 square feet
- You prefer a unit that fits into tighter vertical spaces
- You need a capacity that matches smaller basements or crawl spaces
Choose AprilAire 100-Pint Whole-House Dehumidifier if
- You have a home over 4,400 square feet
- You need to remove more moisture daily
- You want a more compact footprint for installation
Verdict: Choose the 80-Pint model if your home is under 4,400 square feet and you need reliable humidity control without excess capacity. Select the 100-Pint model if your space exceeds that limit or you require higher moisture removal for larger areas. Both units offer identical features and build quality, so your choice depends entirely on the square footage you need to cover.
Capacity and Coverage Comparison
Moisture Removal Capacity
The AprilAire 100-Pint Whole-House Dehumidifier removes up to 100 pints of moisture per day. This higher capacity allows it to handle more significant humidity loads compared to the 80-Pint model, which removes up to 80 pints daily. If you live in a very damp climate or have a large basement, the extra 20 pints can make a difference in how quickly the unit stabilizes humidity levels. Both units are Energy Star Most Efficient certified, meaning they remove their rated moisture using less energy. You should choose the 100-Pint model if you expect consistently high humidity levels that exceed what the 80-Pint unit can manage efficiently.
Coverage Area
Coverage area is a key factor when choosing between these two whole-house units. The AprilAire 100-Pint model is rated for spaces up to 5,500 square feet. In contrast, the AprilAire 80-Pint model covers areas up to 4,400 square feet. This difference of 1,100 square feet matters if you are dehumidifying a large open-plan living area or a sprawling basement. The larger coverage of the 100-Pint unit suggests it can circulate and process air more effectively across a wider footprint. If your space is under 4,400 square feet, both units will likely perform adequately, but the 100-Pint offers more headroom for larger homes.
Physical Dimensions
Size and fit are practical concerns for installation in basements or crawl spaces. The AprilAire 80-Pint model measures 34 inches in length, 15.4 inches in width, and 17.1 inches in height. The AprilAire 100-Pint model is more compact, measuring 26 inches in length, 14 inches in width, and 15 inches in height. The 100-Pint unit is shorter and narrower, which may make it easier to fit into tighter spaces or behind furniture. However, it is slightly heavier at 64 pounds compared to the 80-Pint model's 63 pounds. You should measure your installation area carefully to ensure the more compact 100-Pint unit fits your specific layout constraints.
Drainage Options
Both units eliminate the need for manual water tray emptying by supporting continuous drainage. You can connect a drain hose to either the AprilAire 80-Pint or 100-Pint model to direct moisture to a floor drain or sump pump. This feature simplifies maintenance and prevents overflow issues. The data indicates that both models offer this hose drainage capability as a standard setup option. There is no practical difference in drainage flexibility between the two. You can install either unit in the same location with the same plumbing connections, making this a tie for convenience and ease of use in both whole-house applications.
Build Quality
Durability is important for units that run continuously in humid environments. Both the AprilAire 80-Pint and 100-Pint models feature corrosion-resistant aluminum coils. This material choice helps protect the internal components from rust and degradation over time, especially in damp basements or crawl spaces. Both units are designed and manufactured in the U.S.A. by AprilAire, ensuring consistent build standards across the product line. The smart sensing technology is also identical, automatically starting dehumidification when humidity exceeds your target setting. Since the core construction and smart features are the same, you are getting the same level of reliability and longevity from either model.
Which AprilAire Dehumidifier Fits Your Space
Owner of a smaller basement or tight room
The 80-Pint model covers up to 4,400 square feet. It is slightly shorter at 17.1 inches tall. This compact height helps it fit into tighter vertical spaces. The 80 pints per day capacity is sufficient for moderate humidity levels in smaller areas.
Owner of a large home or high humidity zone
The 100-Pint model removes 20 more pints of moisture daily than the 80-Pint version. It covers up to 5,500 square feet. This higher capacity handles larger spaces or severe dampness more effectively. It maintains your target humidity faster in bigger areas.
Installer needing a narrower unit for tight fit
The 100-Pint model is narrower at 14 inches wide compared to the 80-Pint model's 15.4 inches. It is also shorter at 15 inches high. This smaller footprint allows for easier installation in constrained crawl spaces or utility rooms with limited width.
The products compared
AprilAire 80-Pint Whole-House Dehumidifier
Best for: large basements needing efficient, continuous drainage
- Moisture Removal Capacity
- Up to 80 PPD
- Coverage Area
- Up to 4,400 sq ft
- Drainage Method
- Drain hose
- Energy Star Certification
- Energy Star Most Efficient
- Room
- Basement, Crawl Space
- Dimensions
- 34 × 15.4 × 17.1 inches
View on Amazon: AprilAire 80-Pint Whole-House Dehumidifier Affiliate link
This Aprilaire unit removes up to 80 pints of moisture daily from spaces up to 4,400 square feet. It is Energy Star Most Efficient Certified, meaning it uses less energy to control humidity in basements and crawl spaces. The device drains directly via hose or floor drain, so you never need to empty a tray. It measures 15.4 inches wide and 63 pounds. You need a whole-house system for large areas.
Pros
- Removes up to 80 pints of moisture per day
- Energy Star Most Efficient Certified for lower energy use
- Drains continuously via hose or floor drain
- Covers areas up to 4,400 square feet
Cons
- Smaller 80-pint capacity compared to the 100-pint alternative
- Heavier at 63 pounds, requiring careful placement
- No Wi-Fi or smart app control in the base model
Good fit if
- You need to dehumidify a large basement or crawl space
- You want a set-and-forget system with direct drainage
- You prioritize energy efficiency in a whole-house unit
Skip if
- You need to dehumidify a small room under 1,600 square feet
- You require remote control via a smartphone app
- You need a portable unit that moves easily on wheels
Verdict: Aprilaire 80-Pint Whole-House Dehumidifier fits homeowners with large basements who want efficient, continuous drainage without manual emptying. It is a solid choice if you prefer a reliable, energy-saving system over smart connectivity.
AprilAire 100-Pint Whole-House Dehumidifier
Best for: large homes needing high-capacity moisture removal
- Moisture Removal Capacity
- Up to 100 PPD
- Coverage Area
- Up to 5,500 sq. ft.
- Drainage Method
- Hose or floor drain
- Energy Star Certification
- Energy Star Most Efficient
- Room
- Basement, Crawl Space
- Dimensions
- 26 × 14 × 15 inches
View on Amazon: AprilAire 100-Pint Whole-House Dehumidifier Affiliate link
This unit removes up to 100 pints of moisture daily from spaces up to 5,500 square feet. It carries the Energy Star Most Efficient certification to reduce energy impact. The design uses corrosion-resistant aluminum coils and requires no manual water tray emptying. You can connect it directly to a hose or floor drain. It is built in the U.S. for whole-home or basement use.
Pros
- Removes up to 100 pints of moisture per day
- Covers areas up to 5,500 square feet
- Energy Star Most Efficient Certified
- Drains via hose or floor drain without manual emptying
Cons
- Heavier at 64 pounds, making it less portable
- Larger footprint with a 26-inch length
- Requires professional installation for whole-house integration
Good fit if
- You need to dry large spaces up to 5,500 square feet
- You want to avoid emptying a water bucket manually
- You prioritize energy efficiency in a whole-home system
Skip if
- You only need to dry a small room under 2,000 square feet
- You require a portable unit that moves easily between rooms
- You prefer a compact device with a smaller physical footprint
Verdict: Aprilaire 100-Pint Whole-Home Dehumidifier fits large homes needing high-capacity moisture removal. It suits buyers who want efficient, drain-connected operation for basements or crawl spaces.
Specifications side by side
| Spec | AprilAire 80-Pint Whole-House Dehumidifier | AprilAire 100-Pint Whole-House Dehumidifier |
|---|---|---|
| Moisture Removal Capacity | Up to 80 PPD | Up to 100 PPD |
| Coverage Area | Up to 4,400 sq ft | Up to 5,500 sq. ft. |
| Drainage Method | Drain hose | Hose or floor drain |
| Energy Star Certification | Energy Star Most Efficient | Energy Star Most Efficient |
| Capacity | 80 Pint | 100 Pint |
| Room | Basement, Crawl Space | Basement, Crawl Space |
| Features | Energy Star | Energy Star |
| Dimensions | 34 × 15.4 × 17.1 inches | 26 × 14 × 15 inches |
| Weight | 63 pounds | 64 pounds |
| Size | 1600-4400 sq. ft. | 2000-5500 sq. ft. |
| Color | Gray | Gray |
| Model | E080 | E100 |
Frequently asked questions
Which AprilAire model is better for a large basement?
The 100-Pint model is better for large basements. It covers up to 5,500 square feet, handling more moisture than the 80-Pint version. The 80-Pint model covers 4,400 square feet. Choose the 100-Pint unit if your space exceeds 4,400 square feet or has high humidity loads.
Do both dehumidifiers use the same physical dimensions?
No, they differ in size. The 100-Pint model is shorter at 15 inches tall and narrower at 14 inches wide. The 80-Pint model is taller at 17.1 inches and wider at 15.4 inches. Both share a similar depth of around 26 to 34 inches. Check your vertical clearance carefully.
Is there a weight difference between the two units?
The weight difference is minimal. The 100-Pint model weighs 64 pounds. The 80-Pint model weighs 63 pounds. Both are heavy due to their metal construction. This small difference does not significantly impact installation or mobility for most homeowners.
Can I use continuous drainage with both models?
Yes, both units support continuous drain hose options. This feature allows moisture to drain directly outside or to a floor drain. You do not need to manually empty a water tank. This is ideal for basements and crawl spaces where constant operation is required.
Which model is more energy efficient?
Both models are Energy Star certified. They share similar efficiency standards. The 100-Pint model handles larger spaces, potentially running less often in smaller rooms. The 80-Pint model is efficient for its 4,400 square foot coverage. Both use smart sensing to maintain humidity automatically.
What is the maximum coverage area for the 80-Pint model?
The 80-Pint model covers up to 4,400 square feet. It is suitable for large basements or open floor plans. If your space exceeds this size, the 100-Pint model covers up to 5,500 square feet. Always match the capacity to your actual square footage for best results.
Do these units require professional installation?
Both are whole-house dehumidifiers designed for connection to your HVAC system. While you can install them, professional help is often recommended. They require electrical connections and drain lines. The compact design fits into utility spaces. Check your local codes for specific installation requirements.