BLUEAIR Blue Pure 211i Max vs Winix A231
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 We do not present unpublished laboratory or in-home measurements as our own testing.
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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.
BLUEAIR Blue Pure 211i Max
BLUEAIR
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Winix A231
Winix
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Feature comparison
| Feature | BLUEAIR Blue Pure 211i Max | Winix A231 |
|---|---|---|
| Coverage | 653 sq ft (4.8 ACH) | 230 sq ft (AHAM Verifide) |
| CADR | 435 / 452 / 450 CFM (Smoke / Dust / Pollen) | 147 / 149 / 154 CFM (Smoke / Dust / Pollen) |
| Filter type | HEPASilent dual filtration (mechanical + electrostatic) with combined particle + carbon filter | 360-degree pre-filter + True HEPA + activated carbon + PlasmaWave |
| Noise level | 23-53 dB (rated) | 25 dB minimum |
| Weight | 16.2 lbs | 6.75 lbs |