Blueair Blue Signature moves more air (CADR) and covers a larger room than Winix 5500-2.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 243 CFM).
Which purifier is quieter?
Blueair Blue Signature is quieter (23 vs 27 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 377 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Winix 5500-2 does not.
Which purifier has longer filter life?
Blueair Blue Signature lists a replacement interval of 179.99; Winix 5500-2 does not.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Winix 5500-2.
| Metric | Blueair Blue Signature | Winix 5500-2 |
|---|---|---|
| CADR (smoke) | 455 CFM | 243 CFM |
| Recommended room size | 705 sq ft | 377 sq ft |
| Claimed coverage | 3385 sq ft | — |
| Noise | 23 dB | 27 dB |
| Filter type | HEPASilent | True HEPA + PlasmaWave |
| Filter interval | 179.99 | — |
| Smart features | None | auto mode, air-quality sensor |