Choose Blueair Blue Pure 211i Max for higher CADR and larger-room coverage and Wi-Fi or app control. Choose Honeywell HPA125B if you want lower noise.
Which purifier has higher CADR?
The Blueair Blue Pure 211i Max has a smoke CADR of 435 CFM versus 250 CFM for the Honeywell HPA125B, a difference of 74%.
Which purifier is quieter?
Honeywell HPA125B is quieter (21 vs 23 dB).
Which purifier covers a larger room?
Blueair Blue Pure 211i Max fits a larger room (about 674 vs 388 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Pure 211i Max lists Wi-Fi or app control; Honeywell HPA125B does not.
Which purifier has better filtration?
Blueair Blue Pure 211i Max lists HEPASilent; Honeywell HPA125B lists HEPA.
Bottom line
Choose Blueair Blue Pure 211i Max for higher CADR and larger-room coverage and Wi-Fi or app control. Choose Honeywell HPA125B if you want lower noise.
| Metric | Blueair Blue Pure 211i Max | Honeywell HPA125B | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 435 CFM | 250 CFM | Blueair Blue Pure 211i Max (+74%) |
| Recommended room size | 674 sq ft | 388 sq ft | Blueair Blue Pure 211i Max (+74%) |
| Manufacturer claimed coverage | 3235 sq ft | 530 sq ft | — |
| Minimum noise | 23 dB | 21 dB | Honeywell HPA125B |
| Filter type | HEPASilent | HEPA | — |
| Power | 46 W | — | — |
| Wi-Fi / app | Yes | No | — |
| Dimensions | 22.7 × 14.4 × 14.4 in | — | — |
| Weight | 16.2 lb | 2.1 lb | — |