Energy star

While natural infiltration of fresh air through gaps and cracks in the building envelope offers a certain amount of fresh air, with most new homes this amount of air just is not sufficient. Properly sealed homes require mechanical ventilation to remove excess moisture, odors, and contaminants while providing fresh air for occupants and enhancing comfort. The HERO fresh air appliance provides a controlled way of ventilating a home. It works continuously to supply fresh, filtered air into the building while removing the equal amount of moist, stale air. Up to 80% of the heat in the extract air is recovered by the heat exchanger and used to heat the fresh air coming from outside. In summer, the energy of extract air transfers to cool the warm... もっと見る