Monthly Archives December 2016

Use of lower flow and return temperatures in district heating

District heating schemes make use of underground pre-insulated pipes to connect the various buildings on the site to a centralised heat source. The pre-insulated pipes are designed to maintain the water temperature when in transit (avoiding heat losses to improve energy efficiency). When planning a district heating project the specifier will often have a choice of going down the steel pipe or flexible plastic pipe route. In this short article we take a look at some of the recommendations made in the 2015 CIBSE guide ‘Heat Networks: Code of Practice for the UK’ that relate to this key decision in
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