Coway Airmega 400S vs Shark HP152 NeverChange
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 We do not present unpublished laboratory or in-home measurements as our own testing.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.
Shark HP152 NeverChange
Shark
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Feature comparison
| Feature | Coway Airmega 400S | Shark HP152 NeverChange |
|---|---|---|
| CADR | 328 / 328 / 400 CFM (Smoke / Dust / Pollen) | 97 / 105 / 114 CFM (Smoke / Dust / Pollen, ENERGY STAR) |
| Coverage | 1,560 sq ft (2 ACH); 3,120 sq ft (1 ACH) | 150 sq ft (ENERGY STAR); purifies up to 650 sq ft in 1 hour |
| Noise level | 22-52 dB(A) | — |
| Power | 66 W | 26 W |
| Filter type | 2 washable pre-filters + Max2 filter set (activated carbon + HEPA) | True HEPA multi-filter: NanoSeal HEPA + Odor Neutralizer cartridge + Debris Defense rinseable screens |
| Filter life | Max2 filter set 1 year; pre-filters washable | Up to 5 years (NeverChange HEPA) |
| Warranty | 1 year (parts); 5 years (motor and electronic parts) | 2-year limited |
| Dimensions | 14.8 x 22.8 x 14.8 in (W x H x D) | 9.76 x 9.53 x 15.16 in (L x W x H) |
| Weight | 24.7 lbs | 9.74 lbs |