Bionaire EverFresh Air Exchange System
The Bionaire EverFresh Air Exchange System to ventilate your home, bringing fresh air into your home without bringing in cold, dust, or pollutants.
Fits most double-hung windows 26″ to 38″ wide; patented Energy Recover Technology transfers the warmth (or coolness) and moisture from the indoor air to the fresh, incoming air. So the air in your room stays at your set temperature and doesn’t waste energy.
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