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Coway

Coway Airmega 400

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4.6 / 5 ยท 8900 reviews
5 people viewing now
$424.99 $499.99 You save $75.00

Actual price on the seller's website may differ

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About This Product

The Coway Airmega 400 cleans up to 1560 sq ft in 30 minutes โ€” that's an entire apartment. Dual HEPA filtration with activated carbon captures allergens, smoke, VOCs, and odors. The real-time air quality indicator ring changes color so you know exactly how clean your air is.

Pros & Cons

Pros

  • โœ“ 1560 sq ft coverage
  • โœ“ Dual HEPA + carbon
  • โœ“ Real-time AQI display
  • โœ“ Eco mode saves energy

Cons

  • โœ— Expensive
  • โœ— Filter replacement costly
  • โœ— Large footprint
  • โœ— Fan noise on high

Price History

Track how the price has changed over the last 6 months

$533
Nov
$445
Dec
$469
Jan
$486
Feb
$529
Mar
$432
Apr
$425
May
Current price is 15% lower than the 6-month average

Customer Reviews

4.6
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Based on 8900 reviews
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85%
4โ˜…
10%
3โ˜…
3%
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1%
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Jessica L. Verified Buyer Mar 17, 2026
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Full disclosure: I'm super picky and return about half the stuff I order. This is staying. The finish, the weight, the overall feel โ€” everything screams quality. Been using it daily for about a month and no complaints whatsoever.

J
James K. Verified Buyer Mar 31, 2026
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Honestly didn't expect much at this price range but I'm pleasantly surprised. Feels premium, performs well, and doesn't have that cheap 'it'll break in a month' vibe. Genuinely impressed.

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Jennifer E. Verified Buyer May 07, 2026
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I work in a field where I need this to perform reliably every day โ€” no exceptions. Two months of heavy daily use and it hasn't let me down once. That's all I can ask for. Would absolutely buy again.

K
Kevin D. Verified Buyer Apr 04, 2026
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Bought one for myself, then immediately ordered another for my brother. That should tell you everything you need to know. It's one of those products where you just think 'yeah, they nailed it.'