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District Heating - Heat Capacity vs. Temperature

Water temperature and heating capacity.

An increase in the hot water supply temperature will reduce the volume flow in a district heating system where the required heat is constant.

District Heating - Heat Capacity vs. Temperature
Supply Temperature
(oC)
Required Water Flow
(liters/kW)
90 28.7
100 21.5
112 16.4
120 14.3
133 11.8
150 9.6
180 7.2
  • based on 60 oC return temperature
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