Why is it beneficial for heat pumps to utilize energy recovery ventilation?

Energy recovery ventilation is beneficial for heat pumps because it reuses energy from the exhaust air, which significantly enhances the overall system efficiency. In this process, the energy contained in the outgoing air—whether heat or cooling energy—can be transferred to the incoming fresh air. This means that less energy is required for the heat pump to achieve the desired indoor temperature, ultimately reducing energy consumption and operating costs.

The method of energy recovery not only optimizes the heating and cooling processes of the heat pump but also contributes to maintaining a comfortable indoor environment while ensuring good air quality. This increased efficiency is particularly crucial in climates where heating or cooling demands can be high.

By contrast, the other options do not accurately reflect the primary advantages of energy recovery ventilation. It does not eliminate the need for additional heating devices since specific conditions or extreme temperatures may still require supplemental heating. While energy recovery systems do allow for healthy airflow, they do not facilitate unrestricted airflow because the system is designed to balance intake and exhaust air. Moreover, energy recovery ventilation does more than just manage humidity; it also focuses on temperature control and air quality, making humidity reduction just one of several benefits of this system.