Compare › Head to head
Blueair Blue Signature (Small) vs Coway Airmega 150
Choose the Blue Signature (Small) for
cleaning power, quieter, lower running cost, lower price, app control
The differences that matter
- Blueair Blue Signature (Small) cleans faster: 160 vs 153 cfm smoke CADR (rooms up to 250 vs 239 sq ft).
- Blueair Blue Signature (Small) is quieter on low (19 vs 20 dB).
- Blueair Blue Signature (Small) costs less to run: about $52 vs $71 a year.
- Blueair Blue Signature (Small) costs $10 less up front.
- Blueair Blue Signature (Small) has app control and scheduling.
Full specs
| Blueair Blue Signature (Small) | Coway Airmega 150 | |
|---|---|---|
| CADR — smoke | 160 cfm | 153 cfm |
| CADR — dust | 167 cfm | 161 cfm |
| CADR — pollen | 179 cfm | 220 cfm |
| Room size (4.8 air changes/hour) | 250 sq ft | 239 sq ft |
| Noise | 19–50 dB | 20–48 dB |
| Max power | 20 W | 35 W |
| Replacement filter | Blue Signature Small Replacement Filter: $40, up to 12 months | Airmega 150 & 160 Filter Set: $50, up to 12 months |
| Yearly running cost (est.) | $52 (filters $40 + power $12) | $71 (filters $50 + power $21) |
| App control | Yes | No |
| Price | $180 | $190 |