IEA DHC Annex TS4: Digitalisation of District Heating and Cooling

Christian Holm Christiansen

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IEA DHC Annex TS4: Digitalisation of District Heating and Cooling

Danish Technological Institute (DTI) is part of a group of Danish research institutes and companies cooperating on digitalisation of district heating and cooling (DHC) in the frame of the IEA DHC Annex TS4:

The Annex is aiming at promoting the opportunities of the integration of digital processes into DHC schemes and to clarify the role of digitalisation for different parts within the operation and maintenance of the district heating and cooling system. The Annex is organised in five subtasks:

  • A: Digitalisation of end use/consumption
  • B: Digitalisation of infrastructure
  • C: Digitalisation on the system perspective
  • D: Digitalisation of business processes
  • E: Dissemination and management

As part of subtask A, DTI has adapted a spreadsheet calculation tool, to estimate the thermal output of heat emitters when installed.

The tool provides a simple calculation procedure based on dimensions and configurations of typical radiators. The thermal output of the radiators are estimated one by one and room by room. If underfloor heating is available, this can also be dealt with. All individual thermal outputs are summarised and defined according to optional flow, return and room temperatures. This is very useful for the determination of the district heating low temperature readiness level of a building’s heating system.

Get the tool:

Get the presentation: 

The Danish part of IEA DHC Annex TS4 has received funding from EUDP and will run until end of 2023.

The project's results are compiled in a guidebook that describes:

  • Digitalisation at both the district heating end-user and system level
  • Cases for district heating solutions with digital twins
  • Various business models and concepts for district heating in a digital world

The guidebook can be downloaded by clicking here or by scanning the QR code below.

Forside: Annex TS4