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Coway Airmega 150 vs GermGuardian AC4825
Both are compact air purifiers. Coway Airmega 150 scores 3.1 to 2.5 on our formula. GermGuardian AC4825 costs $69 less, so it can still be the better buy on a tight budget.
Rating by rating
| Rating | Coway Airmega 150 | GermGuardian AC4825 |
|---|---|---|
| Overall | 3.1 | 2.5 |
| Value | 0.5 | 3.0 |
| Energy efficiency | 1.5 | 0.5 |
| Quietness | 4.5 | 0.5 |
| Filter cost | 3.5 | 0.5 |
| Certified CADR | 5.0 | 5.0 |
| Features | 3.0 | 0.5 |
| Tested performance | 3.5 | 3.5 |
Spec by spec
| Spec | Coway Airmega 150 | GermGuardian AC4825 |
|---|---|---|
| Price (USD) | 149 | 80 |
| $ per CADR | 1.2 | 0.8 |
| Smoke CADR | 128 | 100 |
| Dust CADR | 141 | 118 |
| Pollen CADR | 127 | 125 |
| AHAM room size (sq ft) | 198 | 155 |
| Max power (W) | 32 | 55 |
| CADR per watt | 4.0 | 1.8 |
| Noise low (dB) | 22 | 30 |
| Noise high (dB) | 47 | 55 |
| Filter cost per year | $45 | $60 |
| 5-year cost | $374 | $380 |
| Carbon (lb) | 0.3 | 0.1 |
| True HEPA | Yes | Yes |
| Auto mode | Yes | No |
| App | No | No |
| AHAM Verifide | Yes | Yes |
| Energy Star | Yes | Yes |
Green marks the better figure in each row. Prices are approximate street prices.