Energy recovery ventilators (ERVs) enhance indoor air quality by exchanging stale indoor air with fresh outdoor air

https://collectivethoughts382.cavandoragh.org/should-i-close-the-door-when-using-a-dehumidifier-experts-weigh-in

Energy healing ventilators (ERVs) enhance indoor air quality by exchanging stagnant indoor air with fresh outside air while keeping heat or coolness as needed.