Coway Airmega 250S vs Winix A231
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
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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 We do not present unpublished laboratory or in-home measurements as our own testing.
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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
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Winix A231
Winix
Check Amazon for the current price
Feature comparison
| Feature | Coway Airmega 250S | Winix A231 |
|---|---|---|
| Coverage | 373 sq ft (4.8 ACH) | 230 sq ft (AHAM Verifide) |
| CADR | 249 / 261 / 230 CFM (Smoke / Dust / Pollen) | 147 / 149 / 154 CFM (Smoke / Dust / Pollen) |
| Filter type | Washable pre-filter + Max2 combined HEPA and Carbon | 360-degree pre-filter + True HEPA + activated carbon + PlasmaWave |
| Noise level | 22-54 dB | 25 dB minimum |
| Weight | 20.5 lbs | 6.75 lbs |