Alen BreatheSmart 25i vs Blueair Pure 411
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 Blueair Pure 411 has the higher smoke CADR (98 vs 97 cfm, 1% more).
- Running cost: the Blueair Pure 411 uses less electricity per ENERGY STAR (64 kWh/yr), about $4.76/yr less at the U.S. average rate (estimate).
- Room size: by AHAM's 2/3 rule, up to about 146 sq ft vs 147 sq ft.
Both sit in ENERGY STAR data as Small rooms (under 150 cfm) units by smoke CADR. Listed differences: only the Alen BreatheSmart 25i is listed as connected (app/Wi-Fi); reported ozone is 0 ppb vs 1 ppb. Over 5 years at the U.S. average rate, the electricity difference is about $23.80 (estimate).
| Alen BreatheSmart 25i | Blueair Pure 411 | |
|---|---|---|
| Smoke CADR (cfm) | 97 | 98 |
| Dust CADR (cfm) | 106 | 107 |
| Pollen CADR (cfm) | 105 | 127 |
| ENERGY STAR room size | 150 sq ft | 152 sq ft |
| AHAM 2/3-rule room size | 146 sq ft | 147 sq ft |
| Annual energy | 90 kWh | 64 kWh |
| Est. electricity/yr (U.S. avg) | $16.48 | $11.72 |
| Smoke CADR per watt | 6.38 | 12.25 |
| Ozone (reported) | 0 ppb | 1 ppb |
| Technology | Fan and Filter | Fan and Filter |
| Filters listed | HEPA-Type | HEPA-Type |
| Auto mode | Air Quality Sensor | Air Quality Sensor |
| Connected | Yes | No |
| Most Efficient | Yes | Yes |
| Source | ENERGY STAR record 4481446 | ENERGY STAR record 4046729 |
Purchase price and filter cost are not included (data gap). Electricity estimates use 18.31¢/kWh (EIA).
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See Alen air purifiers on the manufacturer's site (plain link, not an affiliate link)
See Blueair air purifiers on the manufacturer's site (plain link, not an affiliate link)