#1
Coway
Airmega 400
124 positive 1 neutral 14 negative
Based on 139 Reddit mentions
$629.99
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Sentiment summary across the product areas Reddit users mention most.
Reddit mentions
Original Reddit posts and comments behind this analysis.
Airmega 400 for living room confirmation
If this is a half wall extending only part way across a room, you could consider this an open space. If you added the living room and kitchen together, the resulting square footage is 597.2 sq. ft. Divide that by 1.5 for minimum CADRs of 399 CFM (rounding up). The Airmega 400 would be underpowered o
...sissasassafrastic in r/AirPurifiers
July 14, 2025 8:15 PM
3
Coway Airmega 250 or 350?
Beware of the fact that you need to be in turbo mode to hit the CFM listed and there is a steep drop off from Turbo mode to the other settings. You have to be okay with the noise of turbo mode: https://www.reddit.com/r/AirPurifiers/comments/1l21rga/coway_airmega_400_vs_450_comparison/
RogRoz in r/AirPurifiers
November 28, 2025 1:18 AM
1
