Shark HP152 NeverChange 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 We do not present unpublished laboratory or in-home measurements as our own testing.
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.
Shark HP152 NeverChange
Shark
Check Amazon for the current price
Feature comparison
| Feature | Shark HP152 NeverChange | Winix A231 |
|---|---|---|
| CADR | 97 / 105 / 114 CFM (Smoke / Dust / Pollen, ENERGY STAR) | 147 / 149 / 154 CFM (Smoke / Dust / Pollen) |
| Coverage | 150 sq ft (ENERGY STAR); purifies up to 650 sq ft in 1 hour | 230 sq ft (AHAM Verifide); up to 1,104 sq ft in 1 hour |
| Power | 26 W | 55 W |
| Filter type | True HEPA multi-filter: NanoSeal HEPA + Odor Neutralizer cartridge + Debris Defense rinseable screens | 4-stage 360-degree: fine mesh pre-filter + True HEPA + activated carbon + PlasmaWave |
| Filter life | Up to 5 years (NeverChange HEPA) | True HEPA 12 months; activated carbon 12 months |
| Warranty | 2-year limited | 2 years |
| Dimensions | 9.76 x 9.53 x 15.16 in (L x W x H) | 9.5 x 9.5 x 14.6 in (W x D x H) |
| Weight | 9.74 lbs | 6.75 lbs |
| Noise level | — | 25 dB minimum |
| Origin | — | Thailand |