The earliest water coolers used large blocks of ice to cool the water, but the amount of maintenance and work those took to manage made them cumbersome. Water coolers have evolved substantially since then, with new methods of cooling and heating, the use of bottled water, and the innovation of bottleless water coolers. Bottleless water coolers are connected directly to the building’s water supply, and the water is filtered, heated, and chilled before use. The advantages of these types of water coolers are numerous. These bottleless water dispensers allow businesses to maintain a more sanitary point of use water cooler, as well as reduce their overhead and workload with the absence of hefty water bottles. Bottleless water coolers do not allow for bacteria to grow, as water fountains and bottled water coolers do. These filtered water coolers can save up to eighty percent when they are compared to bottled water options. These coolers are also a good alternative for government organizations in New York, Seattle, San Francisco, and Cook County in Chicago, where the government funds cannot be used for bottled water purchases. Continue reading here: www.abbeyspring.com