Choose Levoit Vital Pet Pro for lower noise.
Which purifier has higher CADR?
Both list a smoke CADR of 252 CFM.
Which purifier is quieter?
Levoit Vital Pet Pro is quieter (21 vs 40 dB).
Which purifier covers a larger room?
Both are recommended for about 391 sq ft based on CADR.
Which purifier has better smart features?
Both list smart features (Auto-Clean Technology, U-Shaped Air Inlet, Dual Air Quality Sensors, Smart Control via VeSync App vs 4‑Stage filtration, Wi‑Fi & Alexa control, True HEPA filter, AOC™ carbon filter).
Which purifier has better filtration?
Levoit Vital Pet Pro lists 3-stage; Winix 5520 lists True HEPA, AOC™ Carbon.
Bottom line
Choose Levoit Vital Pet Pro for lower noise.
| Metric | Levoit Vital Pet Pro | Winix 5520 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 252 CFM | 252 CFM | — |
| Recommended room size | 391 sq ft | 391 sq ft | — |
| Manufacturer claimed coverage | 1875 sq ft | 1882 sq ft | — |
| Minimum noise | 21 dB | 40 dB | Levoit Vital Pet Pro |
| Filter type | 3-stage | True HEPA, AOC™ Carbon | — |
| Replacement interval | every 6-8 months | — | — |
| Power | 39W | 50 W | — |
| Wi-Fi / app | Yes | Yes | — |
| Dimensions | 32.8 × 20.5 × 45.8 cm | 13.59 × 8.27 × 22.17 in | — |
| Weight | 5.3 kg | 13.3 lb | — |