Coway
Coway AP-2015F Airmega 400 Smart Air Purifier (Covers 1,560 sq. ft.), True HEPA Air Purifier with Smart Technology, White
Best high-performance purifier for large homes and open-concept living spaces.
Elevate your home's air quality with the Coway Airmega 400 Smart Air Purifier. Designed to cover expansive areas up to 1,560 sq. ft., this purifier employs an advanced HyperCaptive filtration system. It effectively captures 99.999% of particles as small as 0.01 microns, while also tackling VOCs and odors. The intelligent Smart Mode automatically adjusts fan speed based on real-time air quality, and the energy-saving Eco Mode ensures efficiency. Enjoy continuous monitoring, convenient filter alerts, and a sleek, modern design.
$399.33
Owner Satisfaction
4.7
/ 5
Category Rank
3
/ 725
#3 in Air Purifiers
Price vs Category Average
+43%
Above average
Dimensions
14.814.822.8
/ ″D x ″W x ″H
Who it's for
- Homeowners managing open-concept floor plans or large living areas
- Busy professionals preferring automated, set-it-and-forget-it air quality management
- Allergy sufferers needing comprehensive particle and odor removal
Who should skip it
- Budget-conscious shoppers prioritizing lower initial equipment costs
- Frugal consumers wary of high long-term maintenance expenses
- Apartment dwellers with limited floor space and tight layouts
Performance breakdown
Filtration Precision
Captures microscopic particles down to 0.01 microns with industry-leading efficiency.
Room Coverage
Easily handles expansive open-concept living areas up to 1,560 square feet.
Smart Automation
Responsive sensors adjust fan speeds instantly based on real-time air quality.
Operational Noise
Whisper-quiet performance ensures undisturbed sleep even during heavy air cleaning cycles.
Energy Efficiency
Eco Mode intelligently manages power consumption without sacrificing air purification standards.
Maintenance Ease
Intuitive alerts remove the guesswork from filter replacements and routine cleaning.
Key Specs
Dimensions
14.8″D x 14.8″W x 22.8″H
Weight
24.7 pounds
Coverage Area
1560 Square Feet
Noise Level
22-52 dB(A)
Particle Retention Size
0.01 Micron
Controller Type
Touch Panel
Wattage
66 watts
Country of Origin
Korea, Republic of
Features
- Purifies air in large spaces up to 1,560 sq. ft.
- Captures ultra-fine particles and odors.
- Smart Mode automatically adjusts to air quality.
- Energy-saving Eco Mode.
- Quiet Sleep Mode for undisturbed rest.
- Real-time air quality monitoring.
- Filter replacement and cleaning alerts.
- Scheduled operation with timer function.
What customers say
Customers overwhelmingly praise the Coway Airmega 400 for its superior performance and expansive coverage, making it ideal for large, open spaces. Users report rapid and noticeable improvements in air quality, effectively eliminating odors, dander, and smoke. The unit's sleek design integrates well into modern homes. Its Smart Technology auto mode is highly valued for efficient and quiet operation, running silently most of the time. While the initial cost and filter replacements are premium, the consensus is that the exceptional reliability and powerful air cleaning capabilities strongly justify the investment for serious air quality needs.
Know before you buy
The Airmega 400 is designed to cover spaces up to 1,560 square feet. It is an ideal choice for large open-concept living areas, basements, or master suites.
Yes, it features a multi-stage filtration system that includes an activated carbon filter specifically designed to neutralize household odors and volatile organic compounds (VOCs) alongside the HEPA filter for particles.
The unit uses an integrated air quality sensor to monitor your environment in real-time. When set to Smart Mode, the fan speed automatically adjusts based on the detected level of pollutants to ensure optimal air quality without manual intervention.
Yes, it features a dedicated Sleep Mode that operates at a very low noise level. With a range of 22 to 52 dB(A), it is designed to run quietly enough to avoid disturbing your rest.
The device includes built-in filter replacement and cleaning alerts. These indicators take the guesswork out of maintenance by notifying you exactly when the pre-filter needs cleaning or the main filters need to be swapped.
Yes, the unit is compatible with mobile app control. This allows you to monitor your home's air quality, adjust fan speeds, and set schedules remotely from your phone.
Still have a question?
Ask Hayley anything about this product before you decide.