Coway Airmega 150
Slim, low-power bedroom model in three colors; no app. Coway rates the HEPA filter at 1 year and the deodorization layer at 6 months.
Specs
| CADR — smoke | 153 cfm |
|---|---|
| CADR — dust | 161 cfm |
| CADR — pollen | 220 cfm |
| Room size (4.8 air changes/hour) | 239 sq ft |
| Noise | 20–48 dB |
| Max power | 35 W |
| Replacement filter | Airmega 150 & 160 Filter Set: $50, up to 12 months |
| Yearly running cost (est.) | $71 (filters $50 + power $21) |
| App control | No |
| Price | $190 |
Source: Coway. Checked 2026-09-25.
How fast does it clean?
| Room (8 ft ceiling) | Air changes/hr | Verdict |
|---|---|---|
| Small bedroom (150 sq ft) | 7.7 | Great |
| Bedroom (250 sq ft) | 4.6 | Good |
| Living room (400 sq ft) | 2.9 | Light duty |
| Open plan (600 sq ft) | 1.9 | Too small |
What it costs to own
Over three years: $403 — the $190 purchase plus about $71 a year in filters and electricity.