However, there may be a wait of a few minutes for hot water with on demand units. There are some products on the market that provide hot water on demand – by heating water only when it is needed, these products use less energy. These tanks will lose energy over time and need to reheat (or re-cool) water every few hours, even if no one has drawn water during that period. Most water coolers have internal storage tanks that will hold a certain amount of hot and cold water all day, so that there is conditioned water available at any time. Conditioned Storage and On Demand Water Coolers They will most likely require a plumber for installation, but they eliminate monthly water delivery bills and lifting large bottles.Ĭonversion-type water coolers may ship as either bottle-source or POU water cooler, but include a conversion kit so that it may be installed in either configuration. Point of use (POU) water coolers are connected directly into your cold water line and refill automatically. Some bottled water coolers are “bottom loading” - the water bottle is loaded spout up in the bottom of the unit – avoiding the heavy lifting and occasional spills of top-loading units. Bottled and Point of Use Water Coolersīottle-source water coolers are compatible with standard 3 or 5 gallon water bottles that can be refilled at the supermarket or delivered from a water bottled water distributor. ENERGY STAR recognizes products that offer these capabilities, and products with these other types of beverage options are required to meet the same efficiency tests as typical coolers. Today, many other types of water coolers are available including products that offer sparkling, alkaline, or flavored water. Selecting a unit that also offers room temperature water can also reduce energy costs overall, by encouraging users to drink water that does not require additional conditioning. Many products will have a dial or switch to adjust the temperature – so if your water is not cold enough, you can change the settings to your preference, although it is important to note that changing the temperature settings will affect the energy consumption. Standard water coolers will offer some combination of cold water, hot water, and room temperature water. Below we review the different types of water coolers available on the market, and how to choose which type is best for your application. Water coolers offer a number of choices – including temperatures, capacities, energy consumption, and even flavors. Units with provisions for making, storing and dispensing small amounts of ice and units that are primarily ice makers that have a water dispensing function.Air-source units and other units with a water source other than bottled or tap water (POU).Units that provide pressurized water and are not free standing (i.e., wall mounted, under sink, or otherwise building integrated).Products that provide sparkling, alkaline, or flavored water in addition to chilled water.Conditioned storage water coolers and on-demand water coolers.
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