HRV and ERV
Choosing between an HRV and an ERV
...an ERV and an HRV?
How to choose between an HRV and an ERV?
How much fresh air is required in homes and the best way to provide it are important issues. Energy recovery from exhaust air is becoming common place in cold regions, and two types of equipment can do this - an HRV (Heat Recovery Ventilation) and an ERV (...
