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Potential to cut power used by air conditioning at datacenters by 20%

November 7th, 2011 - Fujitsu Develops Cooling Technology That Utilizes a CPU's Waste Heat. Producing water of a temperature low enough for use in cooling factory equipment requires a substantial amount of energy. Currently, water is normally chilled using electricity, boilers or other sources of thermal energy, but now there are new attempts to employ heat, including that from high temperature waste water, as an energy source. Fujitsu Laboratories has developed a technology that can chill water from relatively low-temperature sources that have not been usable in the past. At 55°C, water produced from water-cooled type CPUs is of a relatively low temperature, which fluctuates depending on load. However, it is possible to continuously produce chilled water even from this waste water. Read more.

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