i bought crompton ozone 75 desert air cooler in the month of may 2018 summer at its peak i live on top floor so my house gets mare warmer in comparison to other flats placed the air cooler in hall near balcony the device is elegantly build and performs very well crompton has introduced a very good product pros1 sleek design 2 water tank excellent 3 wheel are very good in quality no problem in mobility even when the tank is full 4 child locks in wheel 5 hone