Blueair DustMagnet 5440i
Doubles as a side table; pulls in dust before it settles.
Specs
| CADR — smoke | 216 cfm |
|---|---|
| CADR — dust | 231 cfm |
| CADR — pollen | 274 cfm |
| Room size (4.8 air changes/hour) | 338 sq ft |
| Noise | 31–50 dB |
| Max power | 42 W |
| Replacement filter | DustMagnet 5400 Series Filter: $55, up to 6 months |
| Yearly running cost (est.) | $135 (filters $110 + power $25) |
| App control | Yes |
| Price | $256 |
Source: Blueair. Checked 2026-09-25.
How fast does it clean?
| Room (8 ft ceiling) | Air changes/hr | Verdict |
|---|---|---|
| Small bedroom (150 sq ft) | 10.8 | Great |
| Bedroom (250 sq ft) | 6.5 | Great |
| Living room (400 sq ft) | 4.0 | Good |
| Open plan (600 sq ft) | 2.7 | Light duty |
What it costs to own
Over three years: $661 — the $256 purchase plus about $135 a year in filters and electricity.