| Unit of measurement | HRV 300 | |
| Connected air duct size | in | 8” |
| Minimum supply voltage | V | 120 |
| Maximum supply voltage | V | 120 |
| Power supply frequency | Hz | 60 |
| Rated power | W | 447 |
| Maximum unit current | A | 3.8 |
| Maximum performance @0.1" | CFM | 257 |
| Ingress protection rating | - | IP22 |
| Ingress protection rating of the drive | - | IP44 |
