Choose either model after comparing CADR, recommended room size, noise, and filtration below.
Which purifier has higher CADR?
CADR is not published for either model.
Which purifier is quieter?
Honeywell HPA5100W lists a minimum of 60 dB; Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier has no published figure.
Which purifier covers a larger room?
Recommended room size cannot be derived because CADR is missing.
Which purifier has better smart features?
Neither lists Wi-Fi or app control in our sources.
Which purifier has better filtration?
Both list HEPA filtration.
Bottom line
Choose either model after comparing CADR, recommended room size, noise, and filtration below.
| Metric | Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier | Honeywell HPA5100W | Difference / Winner |
|---|---|---|---|
| Manufacturer claimed coverage | 1928 sq ft | 938 sq ft | — |
| Minimum noise | — | 60 dB | — |
| Filter type | HEPA | HEPA | — |
| Wi-Fi / app | No | No | — |
| Weight | — | 10.1 lb | — |