Blueair Blue Signature moves more air (CADR) and covers a larger room than Coway Airmega 150.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 152 CFM).
Which purifier is quieter?
Blueair Blue Signature is quieter (23 vs 40 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 237 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Coway Airmega 150 does not.
Which purifier has longer filter life?
Blueair Blue Signature lists 179.99; Coway Airmega 150 lists 12 months. Intervals are as published and are not converted to a single unit.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Coway Airmega 150.
| Metric | Blueair Blue Signature | Coway Airmega 150 |
|---|---|---|
| CADR (smoke) | 455 CFM | 152.8 CFM |
| Recommended room size | 705 sq ft | 237 sq ft |
| Claimed coverage | 3385 sq ft | 1035 sq ft |
| Noise | 23 dB | 40 dB |
| Filter type | HEPASilent | HEPA, Carbon |
| Filter interval | 179.99 | 12 months |
| Smart features | None | None |