Blueair Blue Signature moves more air (CADR) and covers a larger room than Honeywell HPA300.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 300 CFM).
Which purifier is quieter?
Blueair Blue Signature is quieter (23 vs 53 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 465 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Honeywell HPA300 does not.
Which purifier has longer filter life?
Blueair Blue Signature lists a replacement interval of 179.99; Honeywell HPA300 does not.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Honeywell HPA300.
| Metric | Blueair Blue Signature | Honeywell HPA300 |
|---|---|---|
| CADR (smoke) | 455 CFM | 300 CFM |
| Recommended room size | 705 sq ft | 465 sq ft |
| Claimed coverage | 3385 sq ft | — |
| Noise | 23 dB | 53 dB |
| Filter type | HEPASilent | True HEPA |
| Filter interval | 179.99 | — |
| Smart features | None | filter indicator |