Compare › Head to head
Blueair DustMagnet 5440i vs Coway Airmega 250
Choose the Airmega 250 for
cleaning power, quieter, lower running cost
The differences that matter
- Coway Airmega 250 cleans faster: 249 vs 216 cfm smoke CADR (rooms up to 389 vs 338 sq ft).
- Coway Airmega 250 is quieter on low (22 vs 31 dB).
- Coway Airmega 250 costs less to run: about $127 vs $135 a year.
- Blueair DustMagnet 5440i costs $79 less up front.
- Blueair DustMagnet 5440i has app control and scheduling.
Full specs
| Blueair DustMagnet 5440i | Coway Airmega 250 | |
|---|---|---|
| CADR — smoke | 216 cfm | 249 cfm |
| CADR — dust | 231 cfm | 261 cfm |
| CADR — pollen | 274 cfm | 230 cfm |
| Room size (4.8 air changes/hour) | 338 sq ft | 389 sq ft |
| Noise | 31–50 dB | 22–54 dB |
| Max power | 42 W | 64 W |
| Replacement filter | DustMagnet 5400 Series Filter: $55, up to 6 months | Airmega 250 Max2 Filter: $89, up to 12 months |
| Yearly running cost (est.) | $135 (filters $110 + power $25) | $127 (filters $89 + power $38) |
| App control | Yes | No |
| Price | $320 | $399 |