What is an Energy Recovery Ventilator?

An energy recovery ventilator helps improve indoor air quality by exchanging stale indoor air with fresh outdoor air while recovering energy from the outgoing air to pre-condition the incoming air. This continuous supply of fresh air is particularly beneficial in airtight homes where natural ventilation is limited.

The primary difference between a energy recovery ventilator and a heat recovery ventilator (HRV) is that an ERV transfers both heat and moisture, helping to maintain proper humidity levels. This feature is especially valuable in warmer climates.

Using an ERV system in the home offers several advantages. It enhances indoor air quality by supplying fresh cleaner air that has been prefiltered for large particles such as allergens while exhausting indoor pollutants such as dust and gasses. Additionally, it maintains a comfortable indoor environment by helping regulate humidity levels, reducing the need for excessive heating or cooling.