Energy Recovery Ventilators

Energy Recovery Ventilators

Energy recovery ventilators (ERVs) are mechanical ventilation systems that are designed to provide fresh air to indoor spaces while also recovering energy from the exhaust air that is being expelled from the building. ERVs are commonly used in residential and commercial buildings to improve indoor air quality and reduce energy consumption. The basic principle of an ERV is to transfer heat and moisture between the incoming and outgoing air streams. As the fresh air is brought into the building, it is filtered and pre-conditioned by passing through a heat exchanger where it is warmed or cooled by the outgoing air. This process helps to reduce the energy required to heat or cool the incoming air, which can result in significant energy savings. In addition to energy savings, ERVs can also help to improve indoor air quality by reducing the amount of pollutants and contaminants that are present in the air. This is achieved by filtering the incoming air and exhausting stale air, which can help to remove pollutants such as dust, pollen, and other allergens. There are several different types of ERVs available on the market, each with their own unique features and benefits. Some ERVs are designed to be integrated with existing HVAC systems, while others are standalone units that can be installed in individual rooms or spaces. Overall, energy recovery ventilators are an effective way to improve indoor air quality and reduce energy consumption in residential and commercial buildings. By recovering energy from the exhaust air and pre-conditioning incoming air, ERVs can help to create a more comfortable and healthy indoor environment.

mechanical ventilation, indoor air quality, energy savings, heat exchanger, pollutants

— David Harris