Intro
Heating and cooling networks are becoming increasingly important. The advantages are obvious: a central system supplies several buildings up to entire cities or conurbations with heat for heating and hot water or cooling for air conditioning via underground pipelines.
Compared to district heating/cooling, local heating/cooling transports water over relatively short distances, so the systems have lower losses and lower temperatures. The investment costs are usually significantly lower than the costs for building services, which would be necessary for each individual building. In addition, the central system works extremely efficiently. However, the right choice of piping system is crucial.
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