Water Cooler Manufacturers in Delhi, Water Cooler Suppliers & Exporters in Delhi, India. Water cooler manufacturers and suppliers play a crucial role in ensuring that people have access to safe drinking water. Water coolers provide a convenient and cost-effective way of dispensing clean, refreshing water. These devices are designed to meet the varying needs of homes, offices, schools, hospitals, and other public spaces. The quality of the water dispensed by these machines depends on the technology used by manufacturers and suppliers to purify it.