Crompton Greaves Ozone 55 Ltrs Desert Air Cooler (White/Maroon) For climates that are extremely hot and dry, the desert cooler makes for an excellent choice. The desert cooler is designed to give you the best cooling effect and also you need not to fill water at regular intervals as it has large water tank capacity.​ Crompton offers a wide range of modern air coolers as a perfect solution for all your needs at our online or offline store near you.