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The paper describes the impact of factors which influence the building?s energy consumption. Building constructions are important factor that influences total energy necessity for heating, where energetic efficiency presents way to better competition, since it decrease service costs. Building is greatest consumer of energy and here lies also potential of rationalization of energy costs. During quantification of energy savings there were used two methods: upside down ? evaluation of savings through obligatory indic...

Starting with the year 2020, all new buildings in the European Union, must meet the requirements imposed by laws on energy efficiency. Romania is an EU member country, accordingly must also respect these provisions. In the present study, we identified new hybrid elements for construction of closing/partitioning, energy efficient. These are the result of associations of construction materials with similar properties, having a very low thermal conductivity. The main materials used to make hybrid structures, energy e...