Coway Airmega Mighty vs Winix 5500-2
Bottom line
Close on cleaning. The Coway scores higher mainly because it has no ionizer to think about. The Winix stays competitive if you are happy to run it with PlasmaWave switched off and you value that washable carbon filter.
These two are close enough on cleaning power that the real question is how you feel about ionizers. Both are medium-room units with similar independently checked airflow (CADR). The Coway has no ionizer at all. The Winix adds PlasmaWave, an ionizer you can switch off, plus a washable carbon pre-filter that saves you a little on running cost. If a built-in ionizer bothers you, that settles it; if not, the Winix's washable filter is a genuine perk.
| 246 cfm (AHAM-verified) | CADR (independently verified?) | 246 cfm (AHAM-verified) |
| 10.0 | Verified Performance30% | 7.0 |
| 7.0 | Total Cost of Ownership25% | 7.0 |
| 10.0 | Certification15% | 5.0 |
| 5.0 | Safety15% | 0.0 |
| 10.0 | Practical Fit15% | 8.0 |
FAQ
- Is the Coway Airmega AP-1512HH Mighty better than the Winix 5500-2?
- In our scoring the Coway Airmega AP-1512HH Mighty rates 8.5/10 and the Winix 5500-2 5.8/10. Close on cleaning. The Coway scores higher mainly because it has no ionizer to think about. The Winix stays competitive if you are happy to run it with PlasmaWave switched off and you value that washable carbon filter.
- Is the Winix PlasmaWave safe?
- PlasmaWave is an ionizer you can switch off. Ionizers can produce a little ozone as a byproduct, so we only credit one when its CARB ozone compliance (California's air-cleaner safety listing) is verified - otherwise we leave those points off rather than assume. The simplest answer for you: run the Winix with PlasmaWave turned off and it works as a plain HEPA filter.