Hitachi KPI-2521Q6/F#DZ
| Certified since | April 25, 2022 |
| Climate zone | Cool, temperate |
| Air flow range from… | 134 m3/h |
| Air flow range to… | 199 m3/h |
| Specific electric power | 0.33 Wh/m3 |
| Heat recovery rate | 82% |
| Humidity recovery (winter) | 75% |
| Humidity recovery (summer) | 51% |
| Efficiency ratio | 0.67 |
| Sound level of unit | 35.4 dB(A) |
| Company headquarters | China (CN) |
