Overall health: Respiratory in fresh new air, as opposed to stale or polluted indoor air, decreases the chance of airborne disorders and respiratory problems. Pollutants may accumulate in badly ventilated Areas, bringing about health problems over time. Ventilation is the process of exchanging stale indoor air with refreshing outdoor air https://ventilation-ductwork90012.theisblog.com/37888204/ventilation-ductwork-an-overview