Kenstar doublecool dx is a king among all its competitors. Its performance is best in class, the air throw is approx 20 ft and you cam feel the breeze every corner of your room. With the big 50ltrs water storage you can sleep without worrying about keeping an eye over the cooling switch. Also the cooler is equipped with automatic water filling inlet which can be connected to your over head tank and water is filled automatically. The only problem is its sound which is more. And for the best performance the cooler should be placed in front of open window which also avoids bad smelling of coolpads. Service is above average