Air purifiersENERGY STAR certified
Alen BreatheSmart 35i
150 cfm fan and filter air purifier.
Smoke CADR
150 cfm
Room size
233 sq ft
Annual energy use
136 kWh/yr
Filter
HEPA-Type
Of 225 certified fan and filter air purifiers, 72 have a higher efficiency than the BreatheSmart 35i (6.7 CADR/W).
- Maker
- Alen
- Model
- BreatheSmart 35i
- Type
- Fan and Filter
- Room size
- 233 sq ft
- Smoke CADR
- 150 cfm
- PM2.5 CADR
- 157 cfm
- Dust CADR
- 164 cfm
- Efficiency
- 6.7 CADR/W
- Annual energy use
- 136 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 4481445, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the BreatheSmart 35i
Certified air purifiers from other makers, same color class, within 20% of its speed.
| Model | Type | Smoke CADR | Room size | Annual energy use |
|---|---|---|---|---|
| Midea KJ200G-Z41 | Fan and Filter | 149 cfm | 231 sq ft | 126 kWh/yr |
| ISINLIVE vortex V2 | Fan and Filter | 149 cfm | 231 sq ft | 126 kWh/yr |
| CUCKOO CAC-AB0610FI | Fan and Filter | 149 cfm | 231 sq ft | 126 kWh/yr |
| Midea 793K18A | Fan and Filter | 149 cfm | 231 sq ft | 126 kWh/yr |
| Senville SENAP-250G-Z41 | Fan and Filter | 149 cfm | 231 sq ft | 126 kWh/yr |
| Midea KJ250G-Z43 | Fan and Filter | 151 cfm | 234 sq ft | 126 kWh/yr |
Alen
More Alen air purifiers
| Model | Type | Smoke CADR | Room size | Annual energy use |
|---|---|---|---|---|
| BreatheSmart 25i | Fan and Filter | 97 cfm | 150 sq ft | 90 kWh/yr |
| BreatheSmart 75i_V2 | Fan and Filter | 370 cfm | 574 sq ft | 304 kWh/yr |