| Lineup Blauberg AirWall Bio | Maximum airflow, m³/h | Sound pressure level LpA at 3 m, dB(A) | Heat recovery efficiency, max, % | Preheater | Reheater |
|---|---|---|---|---|---|
| 75 | 27 | 83 |
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|
|
| 75 | 27 | 83 | Electric |
|
|
| 75 | 27 | 83 | Electric | Electric | |
| 75 | 27 | 70 |
|
|
|
| 75 | 27 | 70 | Electric |
|
|
| 75 | 27 | 70 | Electric | Electric |