Title: Assessment of cost-optimality and technical solutions in high performance multi-residential buildings in the Mediterranean area
Citation: ENERGY AND BUILDINGS vol. 102 p. 250–265
Publication Year: 2015
JRC N°: JRC96220
ISSN: 0378-7788
URI: http://www.sciencedirect.com/science/article/pii/S0378778815003370
DOI: 10.1016/j.enbuild.2015.04.038
Type: Articles in periodicals and books
Abstract: The European policy framework is focused on reducing energy consumption in the building sector. The recast of Energy Performance of Buildings (EPBD) Directive establishes that minimum energy performance requirements have to be set to achieve cost-optimal levels. A methodology is developed to assess energy and cost effectiveness in new buildings located in the Mediterranean area. Several energy efficiency technical variants are applied to a multi residential reference building selected as a representative model of the national building stock. Primary energy consumption and global costs are evaluated in a number of configurations to derive the cost-optimal solution. The paper shows how economical high efficient buildings can be obtained at the design stage to have in a warm climate. The selected configuration decreases primary energy consumption by 83% and CO2 emissions by 71% with respect to the baseline building. Results appear useful for comparison with other climates and building types. The paper also points out that the methodology is suitable to guide and support the choice of cost effective energy efficiency measures in compliance with EU requirements.
JRC Directorate:Energy, Transport and Climate

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