BLUEAIR Blue Signature SP3i moves more air (CADR) and covers a larger room than DREO DR-HAP009.
Which purifier has higher CADR?
BLUEAIR Blue Signature SP3i has higher CADR (321 vs 300 CFM).
Which purifier is quieter?
DREO DR-HAP009 is quieter (24 vs 54 dB).
Which purifier covers a larger room?
BLUEAIR Blue Signature SP3i fits a larger room (about 498 vs 465 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (None vs app, Alexa).
Which purifier has longer filter life?
BLUEAIR Blue Signature SP3i lists a replacement interval of 1; DREO DR-HAP009 does not.
Bottom line
BLUEAIR Blue Signature SP3i moves more air (CADR) and covers a larger room than DREO DR-HAP009.
| Metric | BLUEAIR Blue Signature SP3i | DREO DR-HAP009 |
|---|---|---|
| CADR (smoke) | 321 CFM | 300 CFM |
| Recommended room size | 498 sq ft | 465 sq ft |
| Claimed coverage | 2250 sq ft | — |
| Noise | 54 dB | 24 dB |
| Filter type | HEPASilent | True HEPA H13 |
| Filter interval | 1 | — |
| Smart features | None | app, Alexa |