In the hot days, all air cooler was fail, there was so hot around room. we all were very dispirit with the summer days. one day my friend suggest me to purchase this air cooler and I purchase this cooler second day, I was very socked with there was so cooling in the room. it make cool our mind and room. very nice air cooler also customer service according to me is better. after on this cooler no sound problem and no hot problem create. It make very fast cooling the room. Usha company make good plastic body product. air cooling machine is also very good. we can purchase it in the budget. overall this is best air cooling machine for summer.