Air purifiersENERGY STAR certified
Alen BreatheSmart 25i
97 cfm fan and filter air purifier.
Smoke CADR
97 cfm
Room size
150 sq ft
Annual energy use
90 kWh/yr
Filter
HEPA-Type
Of 225 certified fan and filter air purifiers, 80 have a higher efficiency than the BreatheSmart 25i (6.6 CADR/W).
- Maker
- Alen
- Model
- BreatheSmart 25i
- Type
- Fan and Filter
- Room size
- 150 sq ft
- Smoke CADR
- 97 cfm
- PM2.5 CADR
- 102 cfm
- Dust CADR
- 106 cfm
- Efficiency
- 6.6 CADR/W
- Annual energy use
- 90 kWh/yr
- Filter
- HEPA-Type
- Ozone emissions
- 0 ppb
- Automatic mode
- Air Quality Sensor
- On the market since
- Aug 2025
- ENERGY STAR certified
- 20 Aug 2025
Source: ENERGY STAR certified air purifiers dataset, US EPA, record 4481446, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the BreatheSmart 25i
Certified air purifiers from other makers, same color class, within 20% of its speed.
| Model | Type | Smoke CADR | Room size | Annual energy use |
|---|---|---|---|---|
| Blueair Pure 411 | Fan and Filter | 98 cfm | 152 sq ft | 64 kWh/yr |
| Dreo DR-HAP006S | Fan and Filter | 102 cfm | 158 sq ft | 102 kWh/yr |
| Dreo Home DR-HAP006S | Fan and Filter | 102 cfm | 158 sq ft | 102 kWh/yr |
| Dreo DR-HAP006 | Fan and Filter | 102 cfm | 158 sq ft | 102 kWh/yr |
| Dreo Home DR-HAP006 | Fan and Filter | 102 cfm | 158 sq ft | 102 kWh/yr |
| Greenlite G-Pure-15W | Fan and Filter | 104 cfm | 161 sq ft | 92 kWh/yr |
Alen
More Alen air purifiers
| Model | Type | Smoke CADR | Room size | Annual energy use |
|---|---|---|---|---|
| BreatheSmart 35i | Fan and Filter | 150 cfm | 233 sq ft | 136 kWh/yr |
| BreatheSmart 75i_V2 | Fan and Filter | 370 cfm | 574 sq ft | 304 kWh/yr |