Medify Air MA-40-V4.0 vs Medify Air MA-50-V3.0
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 Medify Air MA-50-V3.0 has the higher smoke CADR (264 vs 245 cfm, 8% more).
- Running cost: the Medify Air MA-50-V3.0 uses less electricity per ENERGY STAR (252 kWh/yr), about $1.65/yr less at the U.S. average rate (estimate).
- Room size: by AHAM's 2/3 rule, up to about 368 sq ft vs 396 sq ft.
Both sit in ENERGY STAR data as Medium rooms (150–249 cfm) / Large rooms (250–349 cfm) units by smoke CADR. Their listed features (connectivity, auto mode, ozone, Most Efficient) are the same. Over 5 years at the U.S. average rate, the electricity difference is about $8.24 (estimate).
| Medify Air MA-40-V4.0 | Medify Air MA-50-V3.0 | |
|---|---|---|
| Smoke CADR (cfm) | 245 | 264 |
| Dust CADR (cfm) | 257 | 281 |
| Pollen CADR (cfm) | 263 | 356 |
| ENERGY STAR room size | 380 sq ft | 409 sq ft |
| AHAM 2/3-rule room size | 368 sq ft | 396 sq ft |
| Annual energy | 261 kWh | 252 kWh |
| Est. electricity/yr (U.S. avg) | $47.79 | $46.14 |
| Smoke CADR per watt | 5.53 | 6.1 |
| Ozone (reported) | 0 ppb | 0 ppb |
| Technology | Fan and Filter | Fan and Filter |
| Filters listed | HEPA-Type | HEPA-Type |
| Auto mode | Timer | None |
| Connected | No | No |
| Most Efficient | No | No |
| Source | ENERGY STAR record 4497354 | ENERGY STAR record 4518199 |
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 Medify Air air purifiers on the manufacturer's site (plain link, not an affiliate link)