NCIDQ Interior Design Professional Exam (IDPX) Practice Exam 2026 - Free Interior Design Practice Questions and Study Guide

Using energy recovery vents in HVAC systems is an effective way to enhance efficiency, especially in cooler climates. This technology works by recovering heat from exhaust air leaving the building and transferring it to the incoming fresh air. This pre-heating process reduces the energy required to warm the incoming air, which is crucial in colder seasons. By minimizing the load on heating systems, energy recovery vents not only improve energy efficiency but also help maintain consistent indoor temperatures, providing better comfort for occupants and reducing operational costs.

In contrast, while renewable transport liquids might play a role in other systems, they do not directly apply to enhancing HVAC efficiency in the same way. Ceiling plenums are structural features that can aid airflow but are not a technology specifically aimed at improving efficiency. Automated sprinklers are unrelated to HVAC systems as they pertain to irrigation rather than climate control. Thus, energy recovery vents stand out as a targeted solution for improving HVAC efficiency in cooler climates.