RES4BUILD partners NCSR Demokritos have published a paper in the proceedings of ECOS 2021 – The 34th International Conference On Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems which took place from June 27-July 2, 2021.

Titled "Renewable Energy Based Systems with Heat Pumps for Supplying Heating and Cooling in Residential Buildings", it can be viewed or downloaded here.