Choose Blueair Blue Signature Small for Wi-Fi or app control. Choose Coway Airmega 150 if you want lower noise.
Which purifier has higher CADR?
The Blueair Blue Signature Small has a smoke CADR of 160 CFM versus 152 CFM for the Coway Airmega 150, a difference of 5%.
Which purifier is quieter?
Coway Airmega 150 is quieter (40 vs 50 dB).
Which purifier covers a larger room?
Blueair Blue Signature Small fits a larger room (about 248 vs 237 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature Small lists Wi-Fi or app control; Coway Airmega 150 does not.
Which purifier has better filtration?
Blueair Blue Signature Small lists HEPASilent; Coway Airmega 150 lists HEPA, Carbon.
Bottom line
Choose Blueair Blue Signature Small for Wi-Fi or app control. Choose Coway Airmega 150 if you want lower noise.
| Metric | Blueair Blue Signature Small | Coway Airmega 150 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 160 CFM | 152.8 CFM | Blueair Blue Signature Small (+5%) |
| Recommended room size | 248 sq ft | 237 sq ft | Blueair Blue Signature Small (+5%) |
| Manufacturer claimed coverage | 248 sq ft | 1035 sq ft | — |
| Minimum noise | 50 dB | 40 dB | Coway Airmega 150 |
| Filter type | HEPASilent | HEPA, Carbon | — |
| Replacement interval | — | 12 months | — |
| Power | 20 W | 35 W | — |
| Wi-Fi / app | Yes | No | — |
| Dimensions | — | 13.4 × 6.5 × 18.5 in | — |
| Weight | 5.64 lb | 12.1 lb | — |