In this fast-paced world, visiting individual stores in search of your favorite air cooler is probably not possible. There are so many varieties to choose from, and you also need to keep an eye on your budget. The best way to shop is online. Well known branded air coolers, such as Cello, are readily available on various reliable and famous online shopping websites such as Amazon. You can easily compare the different models based on their features and prices on the different shopping websites. This will undoubtedly save your time and effort.