Wasser|Wasser-Wärmepumpe

Water/water heat pump, which can be used e.g. for heating a residential home via groundwater according to one German manufacturer.

The U.K. government announced that to reduce its dependence on natural gas it will incentivize development of carbon-neutral water-based networks that bring heat to multiple buildings. From any body of water, such as rivers or lakes, that is exposed to sunshine the networks will take water, filter it twice, remove the extra heat via heat exchangers, concentrate that heat to 45°C via “reverse refrigeration” and pipe it to nearby buildings.

If the water is taken from a river, the current can be used to generate the electricity running the system.

England’s first such network will serve ~150 homes and a hotel|conference center in South London, said Energy Secretary Ed Davey (LibDem). He has asked the U.K.’s Department of Energy and Climate Change to draw up a map of England showing where such water-energy networks can be built.

(VOSS ah   VOSS ah   VAIR ma POOMP ah.)

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