Clean drinking water is important to have a good health. Waters coolers providing drinking water have improved quite a lot in recent years. People and companies too have noted this and started installing these machines in their offices. This increased demand has led to rise of water coolers companies. Also the technology used in bottled water coolers, plumbed in water coolers has improved a lot too. Several water coolers now come fitted with devices that treat the water before making it available for drinking. Extra features like additional dispensers have been now added to these water cooler machines. This second dispenser can be used for tea, coffee, hot chocolate etc.