Blueair Blue Signature moves more air (CADR) and covers a larger room than Shark HP102.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 91 CFM).
Which purifier is quieter?
Blueair Blue Signature lists a minimum of 23 dB; Shark HP102 has no published figure.
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 141 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Shark HP102 does not.
Which purifier has longer filter life?
Blueair Blue Signature lists a replacement interval of 179.99; Shark HP102 does not.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Shark HP102.
| Metric | Blueair Blue Signature | Shark HP102 |
|---|---|---|
| CADR (smoke) | 455 CFM | 91 CFM |
| Recommended room size | 705 sq ft | 141 sq ft |
| Claimed coverage | 3385 sq ft | 500 sq ft |
| Noise | 23 dB | — |
| Filter type | HEPASilent | True HEPA Multi-Filter with Microban antimicrobial coating |
| Filter interval | 179.99 | — |
| Smart features | None | None |