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Energies 2015, 8(7), 7261-7278; doi:10.3390/en8077261

Energy Performance Database of Building Heritage in the Region of Umbria, Central Italy

1
Department of Engineering, University of Perugia, Via G. Duranti 67, Perugia 06125, Italy
2
CIRIAF (Inter-University Research Center on Pollution and Environment "Mauro Felli"), University of Perugia, Via G. Duranti 63, Perugia 06125, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Chi-Ming Lai
Received: 26 March 2015 / Revised: 12 June 2015 / Accepted: 13 July 2015 / Published: 17 July 2015
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Abstract

Household energy consumption has been increasing in the last decades; the residential sector is responsible for about 40% of the total final energy use in Europe. Energy efficiency measures can both reduce energy needs of buildings and energy-related CO2 emissions. For this reason, in recent years, the European Union has been making efforts to enhance energy saving in buildings by introducing various policies and strategies; in this context, a common methodology was developed to assess and to certify energy performance of buildings. The positive effects obtained by energy efficiency measures need to be verified, but measuring and monitoring building energy performance is time consuming and financially demanding. Alternatively, energy efficiency can also be evaluated by specific indicators based on energy consumption. In this work, a methodology to investigate the level of energy efficiency reached in the Umbria Region (Central Italy) is described, based on data collected by energy certificates. In fact, energy certificates, which are the outcomes of simulation models, represent a useful and available tool to collect data related to the energy use of dwellings. A database of building energy performance was developed, in which about 6500 energy certificates of residential buildings supplied by Umbria region were inserted. On the basis of this data collection, average energy and CO2 indicators related to the building heritage in Umbria were estimated and compared to national and international indicators derived from official sources. Results showed that the adopted methodology in this work can be an alternative method for the evaluation of energy indicators; in fact, the ones calculated considering simulation data were similar to the ones reported in national and international sources. This allowed to validate the adopted methodology and the efficiency of European policies. View Full-Text
Keywords: energy saving; greenhouse gas emission; simulation code; buildings; energy performance; energy database; energy indicators energy saving; greenhouse gas emission; simulation code; buildings; energy performance; energy database; energy indicators
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Buratti, C.; Asdrubali, F.; Palladino, D.; Rotili, A. Energy Performance Database of Building Heritage in the Region of Umbria, Central Italy. Energies 2015, 8, 7261-7278.

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