Choose Alen 45i for Wi-Fi or app control. Choose Voopnu DH-JH12 if you want lower noise.
Which purifier has higher CADR?
Alen 45i has published CADR; Voopnu DH-JH12 does not.
Which purifier is quieter?
Voopnu DH-JH12 is quieter (22 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; Voopnu DH-JH12 does not.
Which purifier has better filtration?
Alen 45i lists HEPA; Voopnu DH-JH12 lists H13 True HEPA.
Bottom line
Choose Alen 45i for Wi-Fi or app control. Choose Voopnu DH-JH12 if you want lower noise.
| Metric | Alen 45i | Voopnu DH-JH12 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 255 CFM | — | — |
| Recommended room size | 395 sq ft | — | — |
| Manufacturer claimed coverage | 1900 sq ft | 1076 sq ft | — |
| Minimum noise | 23 dB | 22 dB | Voopnu DH-JH12 |
| Filter type | HEPA | H13 True HEPA | — |
| Power | — | 5 W | — |
| Wi-Fi / app | Yes | No | — |
| Weight | 14 lb | 2.56 lb | — |