A Heat Recovery Ventilator (HRV) is a mechanical device designed to improve indoor air quality while conserving energy. It works by exchanging stale indoor air with fresh outdoor air, capturing heat from the outgoing air to warm the incoming air during colder months. This process helps maintain a comfortable temperature inside without wasting energy. HRVs are particularly useful in tightly sealed homes where natural ventilation is limited. By continuously circulating air, they help reduce humidity and remove pollutants, making the living environment healthier. Additionally, they can contribute to energy savings by reducing the need for heating and cooling systems to work harder.