Blueair Blue Signature moves more air (CADR) and covers a larger room than DREO DR-HAP009S.
Which purifier has higher CADR?
Blueair Blue Signature has published CADR; DREO DR-HAP009S does not.
Which purifier is quieter?
DREO DR-HAP009S is quieter (18 vs 23 dB).
Which purifier covers a larger room?
Blueair Blue Signature is recommended for about 705 sq ft based on CADR.
Which purifier has better smart features?
Both list smart features (None vs None).
Which purifier has longer filter life?
Blueair Blue Signature lists a replacement interval of 179.99; DREO DR-HAP009S does not.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than DREO DR-HAP009S.
| Metric | Blueair Blue Signature | DREO DR-HAP009S |
|---|---|---|
| CADR (smoke) | 455 CFM | — |
| Recommended room size | 705 sq ft | — |
| Claimed coverage | 3385 sq ft | 1176 sq ft |
| Noise | 23 dB | 18 dB |
| Filter type | HEPASilent | 3-in-1 HEPA Filter (Pre-filter, HEPA, Activated Carbon) |
| Filter interval | 179.99 | — |
| Smart features | None | None |