
Difference Between ERV and HRV
Modern homes are airtight and therefore need mechanical ventilation. ERV and HRV are methods of mechanical ventilation used to improve indoor air quality. They work in similar ways, but there is a little bit of difference. This post focuses on the difference between ERV and HRV. What Is Home Ventilation? There are three methods for home ventilation: natural ventilation, spot ventilation, and mechanical ventilation. Natural ventilation is the most common method of home ventilation. It means relying on airflow through open doors and windows. And