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Individualized sustainable and cost optimal energy retrofitting solutions for the existing office building stock

Total activity: 5
Type of activity
Competitive project
Funding entity
Funding entity code
42.350,00 €
Start date
End date
Análisis de Ciclo de Vida, Life Cycle Assessment, certificados energéticos, edificios de oficinas, energy performance certificates, energy retrofitting, energy saving measures, medidas de eficiencia energética, office buildings, rehabilitación energética
The aim of this project is to develop a model for assessing the suitability of energy efficient retrofitting measures and their corresponding
economic and environmental performance in the existing stock of office buildings.
First of all, the existing stock of office buildings will be segmented according to their construction characteristics and their energy
performance by means of the statistical analysis of more than 9,000 energy certificates issued in Catalonia since the entry into force of the
Royal Decree 235/2013. For each identified segment, the number of required case studies will be determined according to their
representativeness using data provided by the National Property Registration Office of the Spanish Ministry for the Treasury and Public
Administration Services. Secondly, HULC (Lider Calener Unified Tool) energy performance certificates satisfying the requirements of each
segment will be selected from the energy performance certificates database taking into account their accuracy and comprehensiveness.
The energy performance of implementing several energy saving measures (individually or combined) in each case study will be simulated
using the HULC software. Simultaneously, the corresponding economic and environmental performance will be assessed taking into
account the whole life cycle of the energy saving measure(s). Finally, an integrated model for assessing the energy efficiency improvement
of the existing stock of office buildings will be developed taking into account the energy, the economic and the environmental terms. Use
cases and corresponding displaying strategies will be analysed, taking into account the stakeholders that may benefit from the model.
Obtained results will be particularly useful for public organizations aimed to promote the energy efficiency of the built environment. The
results of this project will allow guiding financial incentives for buildings retrofitting or adapting existing regulations to promote the energy
efficiency in old buildings.
Likewise, the results of this project will assist those owners or managers of buildings out of the scope of Royal Decree 56/2016 about
energy audits (office buildings related to industrial activities in big companies not covering the offices when conducting the energy audit
and all the office buildings related to industrial activities in small and medium companies). Results will also be useful for those office
buildings out of the scope of the Royal Decree 235/2013 about energy certification of existing buildings (office buildings occupied by a
public authority with less than 250 m2 or not frequented by the public).
The project is also expected to stimulate the existing energy retrofitting market since the developed model can be useful for professionals
related to building retrofitting or energy service companies during the decision making process.
Adm. Estat
Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016
Call year
Funcding program
Programa Estatal de I+D+i Orientada a los Retos de la Sociedad
Funding call
Retos de Investigación: Proyectos de I+D+i
Grant institution
Gobierno De España. Ministerio De Economía Y Competitividad, Mineco


Scientific and technological production

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