EcoChelford - Water As An Energy Source
In Chelford, we're surrounded by lots of lakes. It really doesn't matter whether or not they're natural or have come about as a result of sand extraction, they could turn out to be an unexpected asset for reducing our energy costs.
Ground source heat pumps are becoming relatively widely used as a means of producing energy, particularly in Sweden and Japan. However, improvements in heat exchanger technology have caused water source heat pumps to become more widely used.
Using water as the energy source has a number of advantages over ground source:
there's no need to dig large trenches as there is for ground source equipment; the heat transfer rate from water is higher than from ground or air; the return temperature to the heat pump is often high than from ground or air
In Cheshire, we're not short of suitable water sources, we have lots of lakes and ponds and some rivers. Could we do something similar to the scheme in London which will provide heating for 120 houses and a 140 room hotel? Could we use some of our sand pit lakes?
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