the best in this price range with excellent air throw sufficient for a hall and adequate cooling adequate ventilation is needed to work properlyworks best when kept near a window and another window should be opened to push humidity outwater lasts for 1 to 2 daysthis cooler can make the difference in hot climate when it brings down the room temperature the new smell goes off in a week a good choice to combat summer heatps thanks flipkart for the brilliant delivery