Honeywell HPA300 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 We do not present unpublished laboratory or in-home measurements as our own testing.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.
Honeywell HPA300
Honeywell
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Feature comparison
| Feature | Honeywell HPA300 | Winix A231 |
|---|---|---|
| Coverage | 465 sq ft (4.8 ACH); filters up to 2,250 sq ft per hour | 230 sq ft (AHAM Verifide); up to 1,104 sq ft in 1 hour |
| Filter type | Certified Honeywell HEPA filter + washable activated-carbon pre-filter | 4-stage 360-degree: fine mesh pre-filter + True HEPA + activated carbon + PlasmaWave |
| CADR | High airflow rated for extra-large rooms (smoke, dust and pollen) | 147 / 149 / 154 CFM (Smoke / Dust / Pollen) |
| Fan speeds | 3 speeds | — |
| Warranty | 5-year limited | 2 years |
| Dimensions | 21.0 x 16.6 x 11.4 in | 9.5 x 9.5 x 14.6 in (W x D x H) |
| Weight | 15.4 lbs | 6.75 lbs |
| Noise level | — | 25 dB minimum |
| Power | — | 55 W |
| Filter life | — | True HEPA 12 months; activated carbon 12 months |
| Origin | — | Thailand |