Perspectives on Near ZEB Renovation Projects for Residential Buildings: The Spanish Case

Faustino Patiño-Cambeiro, Julia Armesto, Faustino Patiño-Barbeito and Guillermo Bastos
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Faustino Patiño-Cambeiro: Centro de Ciências Exatas e Tecnológicas, Centro Universitário Univates, Rua Avelino Tallini 171, Lajeado/RS 95900-000, Brazil
Julia Armesto: Mining Engineering School, University of Vigo, Campus as Lagoas Marcosende, Vigo 36310, Spain
Faustino Patiño-Barbeito: Industrial Engineering School, University of Vigo, Rúa Conde de Torrecedeira 86, Vigo 36208, Spain
Guillermo Bastos: Industrial Engineering School, University of Vigo, Rúa Conde de Torrecedeira 86, Vigo 36208, Spain

Energies, 2016, vol. 9, issue 8, 1-16

Abstract: EU regulations are gradually moving towards policies that reduce energy consumption and its environmental impact. To reach this goal, improving energy efficiency in residential buildings is a key action line. The European Parliament adopted the Near Zero-Energy Building (nZEB) as the energy efficiency paradigm through Directive 2010/31/EU, but a common technical and legislative framework for energy renovations is yet to be established. In this paper, the nZEB definition by COHERENO was adopted to evaluate several energy renovation packages in a given building, which is also representative of the Spanish building stock. Global costs are calculated for all of them following EPBD prescriptions. Two economic scenarios are analysed: with entirely private funding and with the current public financial incentives, respectively. The results show the divergence between optimum solutions in terms of costs and of minimum CO 2 footprint and maximum energy saving. Moreover, in the absence of enough incentives, some inefficient renovations could achieve a global cost close to the optimal cost. The optimum solution both in terms of energy performance and global costs was carried out and described.

Keywords: energy efficiency; nZEB; buildings; renovation; cost-optimal (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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