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ENGIE Refrigeration GmbH has received its first major order for the production, supply and commissioning of a thermeco2 heat pump.

This is a beacon project, because the heat pump will be installed at BS Energy, an energy supplier in Braunschweig, as part of the ReUseHeat pilot program of the European Union (EU).

Heat and refrigeration specialist, ENGIE, acquired the CO2 high temperature heat pumps unit from the insolvency assets of Hafner-Muschler Kälteund Klimatechnik GmbH & Co. a few months ago.

A number of projects currently underway in the EU demonstrate how waste heat in cities can be used for heating purposes.

A good example is a project run by BS Energy, an energy, heat and water supplier in Braunschweig, and its majority shareholder Veolia Deutschland.

Along with three other demonstration projects in Madrid, Nice and Berlin, which is all part of the ReUseHeat research and innovation program, which received sponsorship from the EU.

The Braunschweig project to be implemented in the new Heinrich der Löwe district, is being developed on the grounds of a former barracks.

Around 600 living units will be supplied with waste heat from a nearby data centre. This makes it possible to create a low-temperature heat network.

Utilising waste heat BS Energy is relying on the expertise of ENGIE Refrigeration to deploy a HHR 360 CO2 high temperature heat pump from the thermeco2 series in the Braunschweig residential area.

The heat pump will use the waste heat from a data centre as its heat source and cooling water from the data centre with a temperature of 25 degrees to create hot water with a temperature of 70 degrees.

This generates a heating capacity of 370 kilowatts, which is then fed into the local heating network of the new city district.

In general, thermeco2 heat pumps are suitable for local heating networks with particularly large temperature spreads between feed and return temperatures.

Paired with a heat source that is easy to develop, this promises customers an economical and efficient solution.

It is possible, for example, to use electrical power to raise the low temperature level (heat source) for the thermeco2 heat pump up to 90 degrees Celsius.

To meet increased heat requirements in winter, the local heating network will also be connected to BS Energy’s existing district heating network.

The solution is also environmentally friendly, because the thermeco2 heat pump uses the sustainable refrigerant CO2. The project will run until the end of 2021.

All four demonstration projects from Braunschweig, Madrid, Nice and Berlin will be analysed and evaluated, and the results will be published by the EU in a final report.

 

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