Seawater reduces energy use of chiller plant

07 June, 2010

Using seawater to precool water to the central chiller plant of the National Oceanography Centre in Southampton is expected to reduce the annual electricity demand of the chiller by about 20%, saving an estimated 117 t of CO2 emissions a year.

The system which is most effective in the Winter months, was developed by Peter Brett Associates of Reading and is one of only a handful of similar system in Europe.

The precooling supports air-conditioning systems in the 1500-room building, which houses over a hundred laboratories, cold stores, computer server areas and research aquaria.

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Seawater reduces energy use of chiller plant