Blueair Blue Signature moves more air (CADR) and covers a larger room than Winix 5530.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 253 CFM).
Which purifier is quieter?
Blueair Blue Signature lists a minimum of 23 dB; Winix 5530 has no published figure.
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 392 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Winix 5530 does not.
Which purifier has longer filter life?
Blueair Blue Signature lists a replacement interval of 179.99; Winix 5530 does not.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Winix 5530.
| Metric | Blueair Blue Signature | Winix 5530 |
|---|---|---|
| CADR (smoke) | 455 CFM | 253 CFM |
| Recommended room size | 705 sq ft | 392 sq ft |
| Claimed coverage | 3385 sq ft | 1882 sq ft |
| Noise | 23 dB | — |
| Filter type | HEPASilent | True HEPA |
| Filter interval | 179.99 | — |
| Smart features | None | None |