HRV and ERV
Choosing between an HRV and an ERV
...houses of the 20th century, so if you are building or renovating a reasonably airtight house, especially if going for Passive House or LEED certification , don't lose sleep over which one to get, ERV or HRV – just get one.
For more articles on HRV & ERV Ventilation Systems, see here from the EcoHome Green Building Gu...