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 91 CFM for the Shark HP102, a difference of 400%.
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 better filtration?
Blueair Blue Signature lists HEPASilent; Shark HP102 lists True HEPA Multi-Filter with Microban antimicrobial coating.
Bottom line
Choose Blueair Blue Signature for higher CADR and larger-room coverage and Wi-Fi or app control.
| Metric | Blueair Blue Signature | Shark HP102 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 455 CFM | 91 CFM | Blueair Blue Signature (+400%) |
| Recommended room size | 705 sq ft | 141 sq ft | Blueair Blue Signature (+400%) |
| Manufacturer claimed coverage | 3385 sq ft | 500 sq ft | — |
| Minimum noise | 23 dB | — | — |
| Filter type | HEPASilent | True HEPA Multi-Filter with Microban antimicrobial coating | — |
| Power | 42 W | 24 W | — |
| Wi-Fi / app | Yes | No | — |
| Dimensions | 17.2 × 15.5 × 15.5 in | 8.7 × 8.7 × 14.6 in | — |
| Weight | 13.2 lb | 5.85 lb | — |