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AirPurify

Coway Airmega 250S vs Winix 5510

Side-by-side comparison based on published product information. Check Amazon for current price and availability.

How we evaluate products

We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.

Features and services can change, so confirm current details with the manufacturer before buying. Affiliate commissions do not determine our editorial criteria.

Use the feature table below to match published specifications to your room, filtration, and noise requirements. We do not assign an overall score without retained independent test evidence.
Coway Airmega 250S

Coway Airmega 250S

Coway

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Winix 5510

Winix 5510

Winix

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Feature comparison

FeatureCoway Airmega 250SWinix 5510
Coverage373 sq ft (4.8 ACH)380 sq ft (4.8 ACH)
CADR249 / 261 / 230 CFM (Smoke / Dust / Pollen)253 / 252 / 247 CFM (Smoke / Dust / Pollen)
Filter typeWashable pre-filter + Max2 combined HEPA and CarbonWashable pre-filter + True HEPA + Carbon + PlasmaWave
Noise level22-54 dB28-60 dB
Weight20.5 lbs15.4 lbs
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