Choose Blueair Blue Signature for higher CADR and larger-room coverage and Wi-Fi or app control. Choose Blueair Mini Max Auto if you want lower noise.
Which purifier has higher CADR?
The Blueair Blue Signature has a smoke CADR of 455 CFM versus 72 CFM for the Blueair Mini Max Auto, a difference of 532%.
Which purifier is quieter?
Blueair Mini Max Auto is quieter (19 vs 23 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 112 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Blueair Mini Max Auto does not.
Which purifier has better filtration?
Both list HEPASilent filtration.
Bottom line
Choose Blueair Blue Signature for higher CADR and larger-room coverage and Wi-Fi or app control. Choose Blueair Mini Max Auto if you want lower noise.
| Metric | Blueair Blue Signature | Blueair Mini Max Auto | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 455 CFM | 72 CFM | Blueair Blue Signature (+532%) |
| Recommended room size | 705 sq ft | 112 sq ft | Blueair Blue Signature (+529%) |
| Manufacturer claimed coverage | 3385 sq ft | 510 sq ft | — |
| Minimum noise | 23 dB | 19 dB | Blueair Mini Max Auto |
| Filter type | HEPASilent | HEPASilent | — |
| Power | 42 W | 10 W | — |
| Wi-Fi / app | Yes | No | — |
| Dimensions | 17.2 × 15.5 × 15.5 in | 11.4 × 6.8 × 6.8 in | — |
| Weight | 13.2 lb | 2.8 lb | — |