Medify Air MA-50-V3.0 vs Winix AT40
A spec-only comparison using ENERGY STAR certification data. We have not tested either unit, and features like noise, filter price and build quality are not covered here.
- Cleaning speed: the Winix AT40 has the higher smoke CADR (265 vs 264 cfm, 0% more).
- Running cost: the Medify Air MA-50-V3.0 uses less electricity per ENERGY STAR (252 kWh/yr), about $3.67/yr less at the U.S. average rate (estimate).
- Room size: by AHAM's 2/3 rule, up to about 396 sq ft vs 398 sq ft.
| Medify Air MA-50-V3.0 | Winix AT40 | |
|---|---|---|
| Smoke CADR (cfm) | 264 | 265 |
| Dust CADR (cfm) | 281 | 259 |
| Pollen CADR (cfm) | 356 | 244 |
| ENERGY STAR room size | 409 sq ft | 411 sq ft |
| AHAM 2/3-rule room size | 396 sq ft | 398 sq ft |
| Annual energy | 252 kWh | 272.02 kWh |
| Est. electricity/yr (U.S. avg) | $46.14 | $49.81 |
| Smoke CADR per watt | 6.1 | 5.72 |
| Ozone (reported) | 0 ppb | 0 ppb |
| Technology | Fan and Filter | Fan and Filter |
| Filters listed | HEPA-Type | HEPA-Type |
| Auto mode | None | Air Quality Sensor |
| Connected | No | Yes |
| Most Efficient | No | No |
| Source | ENERGY STAR record 4518199 | ENERGY STAR record 4618154 |
Purchase price and filter cost are not included (data gap). Electricity estimates use 18.31¢/kWh (EIA).
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See Medify Air air purifiers on the manufacturer's site (plain link, not an affiliate link)
See Winix air purifiers on the manufacturer's site (plain link, not an affiliate link)