Austrian firm taps heat from all that hot water down the drain
Published on Jun 22, 2014 4:30 PM
AMSTETTEN, Austria (AFP) - Vast amounts of hot water from household appliances, businesses and factories gurgle down the drain every day, wasting not only H2O but also another precious resource: heat energy.
Not, however, in the Austrian town of Amstetten, where a pilot project by the local utility company is "recycling" this energy from a place where normally few dare to tread - the sewer.
This it uses to heat 4,000 square metres of buildings, or cool them in summer, allowing it to dispense entirely with gas and reduce its carbon footprint.
"Almost every week we get a visit from a different delegation coming to look," Mr Robert Simmer, the enthusiastic boss of Stadtwerke Amstetten, told AFP as he showed off the project.
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