Visi coolers are the types of machinery that cool down the stuff while maintaining the constant temperature inside. The glass doors of these coolers are pretty transparent and help in clear visibility of stored products. Cafeterias, grocery shops, supermarkets utilize these coolers for storing the food and packaged items. Visi coolers are highly energy-efficient cooling units. This is the reason these coolers are called as eco-friendly refrigerant or eco-friendly coolers. A clear display of the products grabs the attention of customers and results in increased sales.