When I saw advertisement of this aircooler in my televesion. Then I go to my neighbours shop to buy it I saw pump of this air cooler is working properly and then I think I have to buy it.cooling effect of this air cooler is fabulous even it consume less amount of electricity. it is a quality product and more usefull in hot days. At present I see my room is chilled and consumption of electricity is low so friends it a good product by company and you have to buy and take experince of colling effect of this air cooler