WS 470 ET, WS 470 BET, WS 470 KET, WS 470 KBET
| Certified since | 08 Април 2015 |
| Climate zone | Cool, temperate |
| Air flow range from… | 116 m3/h |
| Air flow range to… | 368 m3/h |
| Specific electric power | 0.27 Wh/m3 |
| Heat recovery rate | 85% |
| Humidity recovery (winter) | 71% |
| Humidity recovery (summer) | - |
| Efficiency ratio | 0,73 |
| Sound level of unit | 52.3 dB(A) |
| Company headquarters | Germany (DE) |