KWL EC 1800S PRO
| Certified since | Oct. 28, 2013 |
| Climate zone | Cool, temperate |
| Air flow range from… | 750 m3/h |
| Air flow range to… | 1400 m3/h |
| Specific electric power | 0.41 Wh/m3 |
| Heat recovery rate | 82% |
| Humidity recovery (winter) | - |
| Humidity recovery (summer) | - |
| Performance number | 10 |
| At external pressure | 243 Pa |
| Available external pressure (with installed filters) | 207 Pa |
| Company headquarters | Germany (DE) |