When the temperature goes above 40 degrees Celsius, all you need is everything cold, whether it is air or water to cool you down. In order to keep the temperature of your space down, you can get a domestic air cooler. The working of this cooler is to add moisture into the atmosphere by evaporating water. The mild steel air cooler is designed to bring the temperature down of a larger space. In comparison to an air conditioner, an air cooler is cost effective, and can be installed without any hassle. It is perfect for those living in rented apartments.