| Unit of measurement | Civic EC LBE2 500 S21 | |
| Connected air duct size | mm | 250 |
| Phases | - | 1 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 230 |
| Power of electrical preheater | W | 1400 |
| Power of electrical reheater | W | 2800 |
| Unit current | A | 20 |
| Maximum airflow | m3/h | 580 |
| Rotation speed at 50hz | - | 1280 |
| Sound pressure level LpA at 3 m | dB(A) | 25 |
| Sound pressure level LpA at 1 m | dB(A) | 35 |
| Heat recovery efficiency, max | % | 94 |
| Heat exchanger type | - | Counter flow |
| Heat exchanger material | - | Polystyrene |
| Weight | kg | 194 |
| Extract filter | - | G4 x 2 |
| Supply filter | - | G4 + F8 (option: F8 C + H11) |
| Transported air temperature (max) | °С | 40 |
| Transported air temperature (min) | °С | -25 |
| Ambient air temperature min | °С | 1 |
| Ambient air temperature max | °С | 40 |
| Ambient air humidity max | % | 60 |
| Ingress protection rating | - | IP20 |
| Ingress protection rating of the drive | - | IP44 |