Air conditioning only re-circulated the same air but Evaporative Air Cooler circulated the outside fresh air and at the same time moisturizes the air and filter off the dust, mold, allergens, smoke and other pollutants. Thus our skin, eyes and nose won’t feel dryness caused by air conditioning.
Air conditioning also release CFC gas which is harmful while Evaporative Air Cooler don’t release such gas.
