x-well S280
| Certified since | March 1, 2017 |
| Climate zone | Cool, temperate |
| Air flow range from… | 129 m3/h |
| Air flow range to… | 164 m3/h |
| Specific electric power | 0.25 Wh/m3 |
| Heat recovery rate | 88% |
| Humidity recovery (winter) | - |
| Humidity recovery (summer) | - |
| Efficiency ratio | 0.71 |
| Sound level of unit | 44.9 dB(A) |
| Company headquarters | Germany (DE) |






