Choose Blueair Blue Signature for higher CADR and larger-room coverage and Wi-Fi or app control.
Which purifier has higher CADR?
The Blueair Blue Signature has a smoke CADR of 455 CFM versus 253 CFM for the Winix 5530, a difference of 80%.
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 better filtration?
Blueair Blue Signature lists HEPASilent; Winix 5530 lists True HEPA.
Bottom line
Choose Blueair Blue Signature for higher CADR and larger-room coverage and Wi-Fi or app control.
| Metric | Blueair Blue Signature | Winix 5530 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 455 CFM | 253 CFM | Blueair Blue Signature (+80%) |
| Recommended room size | 705 sq ft | 392 sq ft | Blueair Blue Signature (+80%) |
| Manufacturer claimed coverage | 3385 sq ft | 1882 sq ft | — |
| Minimum noise | 23 dB | — | — |
| Filter type | HEPASilent | True HEPA | — |
| Power | 42 W | — | — |
| Wi-Fi / app | Yes | No | — |
| Dimensions | 17.2 × 15.5 × 15.5 in | — | — |
| Weight | 13.2 lb | 13.3 lb | — |