How to clean water cooler / DRAIN Water in Cooler - YouTube Air coolers provide much needed relief from this at the fraction of the cost of an air conditioner. It is not an air conditioner, as it only cools the air with water evaporation. How to Clean, Disinfect and Deodorize Your Air Cooler An evaporative cooler is a powerful, efficient and fantastic cooling solution in a hot, dry climate, but in order to enjoy its maximum benefits, it is crucial to adhere to the maintenance guidelines. Bajaj offers air coolers that are suitable for different climates and geographical locations. An air cooler is also known as a swamp cooler. You put water in the machine and it blows air across the water, evaporating the water and making the air cool as well. Equipped with features like high air delivery and big water tank, the air coolers offer sustained and effective cooling. Air coolers are ideal for climates that are warm and dry, since they add a lot of moisture to the air.