American Standard^® Energy Recovery Ventilator provides a whole-house solution for fresh air ventilation. American Standard ERV exhausts stale indoor air and brings in fresh, preconditioned, outdoor air, so your home can be a cleaner, more enjoyable place to live. This ventilator also decreases the level of odors, chemical vapors and naturally occurring gases that become trapped in tightly sealed homes. Plus, with its quiet operation and durable components, you can count on fresh air from American Standard ERV for years to come.