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Heating water with computer servers could save UK homes £150 a year

Data centres often waste the heat generated by servers, but UK firm Heata intends to bring servers into people's homes where the waste energy can be used to heat up people's hot water for showers

By Matthew Sparkes

5 March 2023

HEATA press image

The Heata unit (left) that attaches to a hot water tank (right)

HEATA

People in the UK may soon be able to save about £150 a year on their energy bills by using a data server to heat their water.

About 45 per cent of energy consumed in data centres is used by cooling systems to stop servers overheating, even though there might be better uses for that excess heat.

Now, Heata, a start-up spun out of British Gas five years ago, has a solution that involves installing small data servers in people’s homes. The company’s shoebox-sized machines do away…

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