Choose Blueair Blue Signature for higher CADR and larger-room coverage, lower noise, and Wi-Fi or app control.
Which purifier has higher CADR?
The Blueair Blue Signature has a smoke CADR of 455 CFM versus 152 CFM for the Coway Airmega 150, a difference of 198%.
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 better filtration?
Blueair Blue Signature lists HEPASilent; Coway Airmega 150 lists HEPA, Carbon.
Bottom line
Choose Blueair Blue Signature for higher CADR and larger-room coverage, lower noise, and Wi-Fi or app control.
| Metric | Blueair Blue Signature | Coway Airmega 150 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 455 CFM | 152.8 CFM | Blueair Blue Signature (+198%) |
| Recommended room size | 705 sq ft | 237 sq ft | Blueair Blue Signature (+197%) |
| Manufacturer claimed coverage | 3385 sq ft | 1035 sq ft | — |
| Minimum noise | 23 dB | 40 dB | Blueair Blue Signature |
| Filter type | HEPASilent | HEPA, Carbon | — |
| Replacement interval | — | 12 months | — |
| Power | 42 W | 35 W | — |
| Wi-Fi / app | Yes | No | — |
| Dimensions | 17.2 × 15.5 × 15.5 in | 13.4 × 6.5 × 18.5 in | — |
| Weight | 13.2 lb | 12.1 lb | — |