| Lineup Blauberg Vento Expert A50-1 W | Air flow in ventilation mode, CFM | Air flow in heat recovery mode, CFM | Heat recovery efficiency, max, % | Humidity sensor | Minimum wall thickness, in (mm) |
|---|---|---|---|---|---|
| 30 | 15 | 93 |
|
9 1/2 (240) | |
| 30 | 15 | 93 |
|
5 7/8 (150) |