D4.1 – Options and selections of heating/cooling components for geothermal retrofitting

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D4.1 - Options and selections of heating/cooling components for geothermal retrofitting

This report provides description of the modelling work conducted on the pilot sites of Perugia and Sant Cugat. The pilot sites, the studied heating and cooling systems and the used modelling software are described. Suggested low temperature heating and high temperature cooling system designs are simulated and in the case of Sant Cugat, the results are compared with the current situation and a comparable alternative. The results are presented and discussed.

In the pilot site Perugia, the model was created to be used as a design tool by other partners in the project. In the pilot site Sant Cugat, the simulations show that for the primary school a low temperature heating system coupled with mechanical ventilation would improve indoor air quality with heating demand similar to the current system. For the sports pavilion a clear preference could not be established. The results also show that a high temperature cooling system would be a viable alternative for the administrative building and drastically reduce thermal discomfort. Finally, it was found that a comparative state-of-the-art all-air system that would achieve similar comfort would result in higher heating and cooling demand in all cases. The future works in this task will include work on the Aran Islands pilot.