Which type of heat do both an HRV and an ERV manage?

The correct answer is that both an HRV (Heat Recovery Ventilator) and an ERV (Energy Recovery Ventilator) manage both sensible and latent heat. This distinction is crucial in understanding how these ventilation systems function to enhance indoor air quality while maximizing energy efficiency.

Sensible heat refers to the heat that can be sensed or measured with a thermometer, typically relating to changes in air temperature. Latent heat, on the other hand, relates to the moisture content in the air; it involves heat transfer during phase changes, such as when water evaporates or condenses.

HRVs primarily focus on transferring sensible heat by pre-conditioning incoming fresh air with the outgoing exhaust air, thus improving the overall temperature balance within the building. Conversely, ERVs have the added capability of transferring both sensible and latent heat. This means they not only help regulate the temperature but also manage humidity levels, making them especially valuable in climates where moisture control is essential.

The ability of both HRVs and ERVs to handle these types of heat makes them effective for improving energy efficiency and maintaining comfort in multifamily buildings. While various systems may specialize more in one type of heat management than the other, the collective functionality of both systems allows them to address a broader range of thermal dynamics indoors