/ Product catalogue / Decentralized ventilation units / Decentralized HRU for residential and commercial buildings / Advanced / Hybrid / Hybrid ERV L S21
| Unit of measurement | Hybrid ERV L S21 | |
| Phases | - | 1 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Sound pressure level LpA at 1 m | dB(A) | 42 |
| Heat recovery efficiency, max | % | 89 |
| Heat exchanger type | - | Counter flow |
| Heat exchanger material | - | Enthalpy |
| Weight | kg | 31 |
| Transported air temperature (max) | °С | 40 |
| Transported air temperature (min) | °С | -25 |
