Choose Alen 45i for Wi-Fi or app control.
Which purifier has higher CADR?
The Alen 45i has a smoke CADR of 255 CFM versus 253 CFM for the Winix 5530, a difference of 1%.
Which purifier is quieter?
Alen 45i lists a minimum of 23 dB; Winix 5530 has no published figure.
Which purifier covers a larger room?
Alen 45i fits a larger room (about 395 vs 392 sq ft recommended from CADR).
Which purifier has better smart features?
Alen 45i lists Wi-Fi or app control; Winix 5530 does not.
Which purifier has better filtration?
Alen 45i lists HEPA; Winix 5530 lists True HEPA.
Bottom line
Choose Alen 45i for Wi-Fi or app control.
| Metric | Alen 45i | Winix 5530 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 255 CFM | 253 CFM | Alen 45i (+1%) |
| Recommended room size | 395 sq ft | 392 sq ft | Alen 45i (+1%) |
| Manufacturer claimed coverage | 1900 sq ft | 1882 sq ft | — |
| Minimum noise | 23 dB | — | — |
| Filter type | HEPA | True HEPA | — |
| Wi-Fi / app | Yes | No | — |
| Weight | 14 lb | 13.3 lb | — |