Medify MA-40 vs Coway Airmega AP-1512HH Mighty
Bottom line
In our scoring the Coway Airmega AP-1512HH Mighty wins at 8.5/10 (Excellent) against the Medify MA-40's 5.9/10 (Limited), a 2.6-point gap. The cheaper filters, sealed system, and lower sleep-mode noise drive most of that difference in our view, and on the data the Coway is the better five-year value despite a similar up-front price ($230 vs $249.99). The Medify's genuine strengths are its H13 True HEPA media and a slightly higher honest room ceiling (370 sq ft vs 361 sq ft), both backed by an AHAM-verified CADR around 240 cfm, so it is not a weak performer on clean-air delivery - it just costs more to keep running.
The biggest real difference is running cost. The Coway Airmega AP-1512HH Mighty costs about $36 a year in filters (roughly $410 over five years with the device), while the Medify MA-40 runs about $120 a year (roughly $850 over five years). Both have AHAM-verified CADR near 240 cfm and a defeatable ionizer, and both are CARB-compliant on ozone. The Coway also lists a sealed HEPA system and a quieter 24 dBA sleep level against the Medify's 41 dBA.
| 240 cfm (AHAM-verified) | CADR (independently verified?) | 246 cfm (AHAM-verified) |
| 7.0 | Verified Performance30% | 10.0 |
| 2.5 | Total Cost of Ownership25% | 7.0 |
| 10.0 | Certification15% | 10.0 |
| 5.0 | Safety15% | 5.0 |
| 6.0 | Practical Fit15% | 10.0 |
FAQ
- Is the Medify MA-40 better than the Coway Airmega AP-1512HH Mighty?
- In our scoring the Coway Airmega AP-1512HH Mighty rates 8.5/10 and the Medify MA-40 5.9/10. In our scoring the Coway Airmega AP-1512HH Mighty wins at 8.5/10 (Excellent) against the Medify MA-40's 5.9/10 (Limited), a 2.6-point gap. The cheaper filters, sealed system, and lower sleep-mode noise drive most of that difference in our view, and on the data the Coway is the better five-year value despite a similar up-front price ($230 vs $249.99). The Medify's genuine strengths are its H13 True HEPA media and a slightly higher honest room ceiling (370 sq ft vs 361 sq ft), both backed by an AHAM-verified CADR around 240 cfm, so it is not a weak performer on clean-air delivery - it just costs more to keep running.
- Which is better for a bedroom?
- We lean toward the Coway for bedrooms. It lists a 24 dBA sleep level against the Medify's 41 dBA, so in our view it is the quieter choice for sleeping rooms. Both cover similar floor area (361 sq ft for the Coway, 370 for the Medify on their honest ceilings).
- Is the Medify MA-40 worth the extra money?
- In our view, no, on a five-year basis. It costs slightly more up front ($249.99 vs $230) and about $120 a year in filters versus the Coway's $36, which works out to roughly $850 over five years against $410. We score it 5.9 to the Coway's 8.5, and total cost of ownership is its weakest area in our rubric (2.5/10).
- Do both units really cover the room sizes they claim?
- On the data, yes for the rooms we score them at. Both carry AHAM-verified CADR around 240 cfm, which is what we use to set an honest room ceiling: 370 sq ft for the Medify and 361 sq ft for the Coway. We score the verified number, not the box claim.