| Unit of measurement | DVUE 300 HB EC A21 | |
| Connected air duct size | in | 7 7/8” |
| Phases | - | 1 |
| Minimum supply voltage | V | 120 |
| Maximum supply voltage | V | 120 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 123 |
| Maximum unit current | A | 1.8 |
| rotation speed at 50hz | - | 2150 |
| Rotation speed at 60hz | - | 2150 |
| Heat recovery efficiency, max | % | 90 |
| Heat exchanger type | - | Counter flow |
| Heat exchanger material | - | Enthalpy |
| Weight | lb | 300 |
| Extract filter | - | MERV 8 |
| Supply filter | - | MERV14 |
| Sound pressure level LpA at 10 ft | Sones | 1.6 |