BLUEAIR Blue Signature SP3i moves more air (CADR) and covers a larger room than Honeywell HPA300.
Which purifier has higher CADR?
BLUEAIR Blue Signature SP3i has higher CADR (321 vs 300 CFM).
Which purifier is quieter?
Honeywell HPA300 is quieter (53 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?
BLUEAIR Blue Signature SP3i lists Wi-Fi or app control; Honeywell HPA300 does not.
Which purifier has longer filter life?
BLUEAIR Blue Signature SP3i lists a replacement interval of 1; Honeywell HPA300 does not.
Bottom line
BLUEAIR Blue Signature SP3i moves more air (CADR) and covers a larger room than Honeywell HPA300.
| Metric | BLUEAIR Blue Signature SP3i | Honeywell HPA300 |
|---|---|---|
| CADR (smoke) | 321 CFM | 300 CFM |
| Recommended room size | 498 sq ft | 465 sq ft |
| Claimed coverage | 2250 sq ft | — |
| Noise | 54 dB | 53 dB |
| Filter type | HEPASilent | True HEPA |
| Filter interval | 1 | — |
| Smart features | None | filter indicator |