Choose Alen 45i for Wi-Fi or app control. Choose Westhey AP02 if you want lower noise.
Which purifier has higher CADR?
Alen 45i has published CADR; Westhey AP02 does not.
Which purifier is quieter?
Westhey AP02 is quieter (15 vs 23 dB).
Which purifier covers a larger room?
Alen 45i is recommended for about 395 sq ft based on CADR.
Which purifier has better smart features?
Alen 45i lists Wi-Fi or app control; Westhey AP02 does not.
Which purifier has better filtration?
Alen 45i lists HEPA; Westhey AP02 lists H13 HEPA.
Bottom line
Choose Alen 45i for Wi-Fi or app control. Choose Westhey AP02 if you want lower noise.
| Metric | Alen 45i | Westhey AP02 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 255 CFM | — | — |
| Recommended room size | 395 sq ft | — | — |
| Manufacturer claimed coverage | 1900 sq ft | 1650 sq ft | — |
| Minimum noise | 23 dB | 15 dB | Westhey AP02 |
| Filter type | HEPA | H13 HEPA | — |
| Replacement interval | — | every 3-6 months | — |
| Wi-Fi / app | Yes | No | — |
| Dimensions | — | 7.09 × 7.09 × 12.2 in | — |
| Weight | 14 lb | 3.5 lb | — |