Coway Airmega 400
$649
#2
Large homes with open floor plans
Coway
Coway Airmega 400
Last updated: March 2026
9.4/10(5,200 reviews)
$649$749-13%
on AmazonCoway Airmega 400 — Large homes with open floor plans
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Key Specs
Weight24.7 lbs
Dimensions14.8 x 22.8 x 14.8 inches
Filter TypeMax2 (HEPA & Activated Carbon)
Noise Level22-52 dB
Coverage Area1560 sq ft
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Why We Recommend This
The Coway Airmega 400 earned our “Large homes with open floor plans” badge after research against 26 competing models in the air purifiers category. It stands out for covers large areas up to 1560 sq ft and dual suction for better airflow.
What We Like
- Covers large areas up to 1560 sq ft
- Dual suction for better airflow
- Eco mode for energy saving
- Filter change indicator
What Could Be Better
- Bulky design
- High initial cost
- No smart home integration
Full Specifications
Weight24.7 lbs
Dimensions14.8 x 22.8 x 14.8 inches
Filter TypeMax2 (HEPA & Activated Carbon)
Noise Level22-52 dB
Coverage Area1560 sq ft
Coway Airmega 400
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