Duct cooler are best during summer. Buy duct cooler online in India. All India delivery. Best duct cooler with easy cooling pad for best cooling efficiency.Duct coolers are dual purpose coolers: meant for keeping inside the bedroom/living room or can be fitted through window. They are high performance coolers and because of their sleek design they consume lesser space of house. Smaller duct coolers come with standard movable wheels for easy movement of cooler inside house and bigger cooler come with fixed stand for easy placement through window. Air diverters and low noise operation are standard features for these coolers. Duct coolers can cover an area ranging from 200 Sft to 1350 Sft depending on the cooler model.