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Properties of building materials include many properties, the most important are mechanical, thermal, chemical, and economic. The most important thermal properties that characterize the total heat losses and thermal inertia of materials are thermal conductivity and specific heat capacity. The first one describes the stationary heat transfer through the structures, but the second describes the ability to absorb and release the heat energy with temperature change dynamically, and it is related to a unit mass of the ...

An ambitious reduction in greenhouse gas emissions is set by the political initiative -The European Green Deal- and -Fit for 55- package. The municipalities, which carry out the strategic management of the district heating systems, will have to ensure the sustainable development of the territory in a way that includes a significant increase in energy efficiency both in the building stock and in the related district heating system. The aim of this research is to study and develop an easy-to-use methodology and an a...