| Lineup Vents TwinWall 60 | Maximum airflow, CFM | Heat recovery efficiency, max, % | Preheater | Reheater | Humidity sensor | CO2 sensor |
|---|---|---|---|---|---|---|
| 55 | 90 |
|
|
Built-in | Optional | |
| 55 | 90 | Electric |
|
Built-in | Optional | |
| 55 | 90 | Electric | Electric | Built-in | Optional | |
| 55 | 76 |
|
|
Built-in | Optional | |
| 55 | 76 | Electric |
|
Built-in | Optional | |
| 55 | 76 | Electric | Electric | Built-in | Optional |