Blueair Blue Signature moves more air (CADR) and covers a larger room than Coway Airmega 200M.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 246 CFM).
Which purifier is quieter?
Blueair Blue Signature is quieter (23 vs 24 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 381 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Coway Airmega 200M does not.
Which purifier has longer filter life?
Blueair Blue Signature lists a replacement interval of 179.99; Coway Airmega 200M does not.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Coway Airmega 200M.
| Metric | Blueair Blue Signature | Coway Airmega 200M |
|---|---|---|
| CADR (smoke) | 455 CFM | 246 CFM |
| Recommended room size | 705 sq ft | 381 sq ft |
| Claimed coverage | 3385 sq ft | — |
| Noise | 23 dB | 24 dB |
| Filter type | HEPASilent | Green True HEPA |
| Filter interval | 179.99 | — |
| Smart features | None | auto mode, air-quality indicator |