AprilAire 8800 Whole-House Dehumidifier vs Coway Airmega 400S
Side-by-side comparison of features, pricing, ratings, and alternatives.
The AprilAire 8800 is a professional‑grade whole‑house dehumidifier designed to remove excess moisture from any sized home, helping prevent mold, mildew, and musty odors. Its robust 80‑pint per day capacity and Energy Star rating make it an efficient solution for maintaining optimal humidity levels year‑round. Easy to install and integrate with existing HVAC systems, the 8800 operates quietly while delivering precise humidity control. Built with durable components and a long‑term warranty, it provides reliable performance for homeowners seeking a healthier living environment.
The Coway Airmega 400S is a smart HEPA air purifier designed for large rooms. It features real-time air quality sensing and advanced filtration technology to capture 99.97% of particles as small as 0.3 microns. With its sleek and modern design, it is perfect for living rooms, bedrooms, and offices. The Airmega 400S is also Wi-Fi enabled, allowing users to monitor and control the air quality remotely through the Coway IoCare app.
- High 80‑pint capacity handles large homes
- Energy Star certified for low operating cost
- Auto‑restart after power loss
- Long five‑year warranty
- Advanced HEPA filter captures 99.97% of particles as small as 0.3 microns
- Real-time air quality sensing and monitoring
- Wi-Fi enabled for remote control and scheduling
- Quiet operation with a noise level of 22-52 dB
- Professional installation recommended
- No built‑in Wi‑Fi or app control
- Relatively high upfront cost
- Filter replacement can be expensive
- Limited coverage area compared to some other models
- No built-in ionizer or UV light
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The Verdict
AI-generated from listing dataThe AprilAire 8800 is a high‑capacity whole‑home dehumidifier with strong energy efficiency but requires professional installation and higher upfront cost, while the Coway Airmega 400S is a smart, low‑power air purifier for large rooms with Wi‑Fi control but does not remove moisture.
Key differences
- •Function: dehumidifier vs. air purifier (moisture removal vs. particle filtration).
- •Coverage: 5,000 sq ft. whole‑home vs. 1,560 sq ft. room‑scale.
- •Power use: 1150 W vs. 60 W, affecting operating cost.
- •Smart features: none vs. Wi‑Fi app control and air‑quality sensing.
- •Installation: professional HVAC integration vs. plug‑and‑play.
Capacity (moisture removal / room coverage)
AprilAire removes 80 pints/day for homes up to 5,000 sq ft.; Airmega covers 1,560 sq ft. only.
Energy efficiency & running cost
Airmega consumes 60 W vs. AprilAire 1150 W; lower electricity use despite both being Energy Star.
Noise level
Airmega operates at 22‑52 dB; AprilAire under 55 dB but likely louder at higher capacity.
Size & footprint
Dimensions are similar: AprilAire 15×12×24 in vs. Airmega 14.8×14.8×22.8 in.
Features (smart control, sensors)
Airmega offers Wi‑Fi, app control, and real‑time air‑quality sensing; AprilAire has none.
Ease of maintenance
Airmega includes filter‑replacement indicator; AprilAire requires professional service for coil cleaning.
Price & warranty
Airmega costs $549 vs. AprilAire $799; both have 5‑year limited warranties.
Choose AprilAire 8800 Whole-House Dehumidifier if…
Homeowners needing whole‑home humidity control and willing to pay more for professional installation.
Choose Coway Airmega 400S if…
Users wanting smart, low‑power air cleaning for large rooms without dehumidification.
Common questions
Can the AprilAire be installed myself?
Professional installation is recommended; the product does not specify DIY suitability.
Does the Airmega remove excess moisture?
No; it is an air purifier that filters particles but does not dehumidify.
Which unit will cost less to run over time?
The Airmega 400S, at 60 W, uses far less electricity than the 1150 W AprilAire.