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Mrs. Aurora Ruggeri
University of Padova

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0 Building
0 Building Energy Analysis
0 Energy Retrofits
0 Optimization
0 Economic Analysis

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Review
Published: 10 September 2020 in Sustainability
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The research about energy efficiency in buildings has exponentially increased during the last few years. Nevertheless, both research and practice still cannot rely on complete methodologies tailored for building portfolios as a whole, because the attention has always been drawn to individual premises. Yet, energy efficiency analyses need to go beyond the single building perspective and incorporate strategic district approaches to optimize the retrofit investment. For this purpose, several aspects should be considered simultaneously, and new methodologies should also be promoted. Therefore, this paper aims to discuss energy retrofit campaigns in building portfolios, drawing an exhaustive and updated review about the challenge of jumping from the single-building perspective to a stock-based analysis. This research discusses the publications available on the topic from five key aspects that are all essential steps in achieving a complete and reliable study of energy efficiency at a portfolio level. They are energy modelling and assessment, energy retrofit design, decision-making criteria assessment, optimal allocation of (financial) resources and risk valuation. This review, therefore, advocates for joint consideration of the problem as a basis on which to structure further disciplinary developments. Research gaps are highlighted, and new directions for future research are suggested.

ACS Style

Aurora Ruggeri; Laura Gabrielli; Massimiliano Scarpa. Energy Retrofit in European Building Portfolios: A Review of Five Key Aspects. Sustainability 2020, 12, 7465 .

AMA Style

Aurora Ruggeri, Laura Gabrielli, Massimiliano Scarpa. Energy Retrofit in European Building Portfolios: A Review of Five Key Aspects. Sustainability. 2020; 12 (18):7465.

Chicago/Turabian Style

Aurora Ruggeri; Laura Gabrielli; Massimiliano Scarpa. 2020. "Energy Retrofit in European Building Portfolios: A Review of Five Key Aspects." Sustainability 12, no. 18: 7465.

Conference paper
Published: 01 September 2020 in Blockchain Technology and Innovations in Business Processes
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The improvement of the energy efficiency of building stocks mostly consisting of heritage-listed buildings is a crucial issue from the environmental and economic points of view. However, the related interventions must take into account the non-monetary value due to their importance in the field of heritage preservation. As such, the interventions must be compatible with restoration principles aimed at preserving the main characteristics of the building (dimensions, materials and aspect). Moreover, when Institutions and large Companies act on large building stocks, they need procedures and decision tools able to define the most convenient set of interventions dedicated to each building. In such a context, it is very useful to merge restoration compatibility with energy (and, consequently, economic) assessments. This paper shows the results coming from the application of such an approach, by tracking the main steps of the following procedure and by showing its main advantages. In particular, we evaluate the compatibility of retrofit interventions through the assessment of a restoration compatibility score, which comes from a multi-criteria procedure.

ACS Style

Laura Gabrielli; Aurora Greta Ruggeri; Massimiliano Scarpa. Improving the Energy Efficiency in Historic Building Stocks: Assessment of a Restoration Compatibility Score. Blockchain Technology and Innovations in Business Processes 2020, 1143 -1154.

AMA Style

Laura Gabrielli, Aurora Greta Ruggeri, Massimiliano Scarpa. Improving the Energy Efficiency in Historic Building Stocks: Assessment of a Restoration Compatibility Score. Blockchain Technology and Innovations in Business Processes. 2020; ():1143-1154.

Chicago/Turabian Style

Laura Gabrielli; Aurora Greta Ruggeri; Massimiliano Scarpa. 2020. "Improving the Energy Efficiency in Historic Building Stocks: Assessment of a Restoration Compatibility Score." Blockchain Technology and Innovations in Business Processes , no. : 1143-1154.

Journal article
Published: 10 June 2020 in Energy and Buildings
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Among the policies and regulations aimed at reducing the energy use in building stocks, the retrofit of historic buildings is one of the hardest challenges both for research and practice, because it is necessary to combine the traditional energy/economy targets with safeguard programs and conservation theories. In this paper, a decision support system is developed in order to plan and manage energy retrofit campaigns tailored for cultural heritage. Costs and energy uses are assessed, as well as the compatibility of interventions and their impact on indoor environmental quality. The energy use is seen under an economic, environmental, human and cultural perspective, providing a decision-making procedure that could be very useful for asset holders, public or private investors as well as for portfolio managers or agencies. The most important achievements in this work are the assessment of a so-called restoration score as a way to include conservation aspects in the selection procedure, and the integration of different appraisal techniques such as multi-attribute analysis, life cycle costing and analytic hierarchy process.

ACS Style

Aurora Greta Ruggeri; Marta Calzolari; Massimiliano Scarpa; Laura Gabrielli; Pietromaria Davoli. Planning energy retrofit on historic building stocks: A score-driven decision support system. Energy and Buildings 2020, 224, 110066 .

AMA Style

Aurora Greta Ruggeri, Marta Calzolari, Massimiliano Scarpa, Laura Gabrielli, Pietromaria Davoli. Planning energy retrofit on historic building stocks: A score-driven decision support system. Energy and Buildings. 2020; 224 ():110066.

Chicago/Turabian Style

Aurora Greta Ruggeri; Marta Calzolari; Massimiliano Scarpa; Laura Gabrielli; Pietromaria Davoli. 2020. "Planning energy retrofit on historic building stocks: A score-driven decision support system." Energy and Buildings 224, no. : 110066.

Journal article
Published: 01 November 2019 in Energy and Buildings
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ACS Style

Laura Gabrielli; Aurora Ruggeri. Developing a model for energy retrofit in large building portfolios: Energy assessment, optimization and uncertainty. Energy and Buildings 2019, 202, 1 .

AMA Style

Laura Gabrielli, Aurora Ruggeri. Developing a model for energy retrofit in large building portfolios: Energy assessment, optimization and uncertainty. Energy and Buildings. 2019; 202 ():1.

Chicago/Turabian Style

Laura Gabrielli; Aurora Ruggeri. 2019. "Developing a model for energy retrofit in large building portfolios: Energy assessment, optimization and uncertainty." Energy and Buildings 202, no. : 1.

Journal article
Published: 21 May 2018 in Journal of Cultural Heritage Management and Sustainable Development
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Purpose The purpose of this paper is to examine the cross-sectoral collaboration between conservation and economic appraisal, and to process a financial analysis for private owners of a built heritage. Design/methodology/approach The methodology applied addresses the financial analysis of restoration through a discounted cash flow analysis, together with a life cycle costing. Costs and revenues are both analysed in this paper. Some energy-saving measures are applied to cut running costs and decrease the energy required by the building, using as reference the “Guidelines for improving energy efficiency in cultural heritage” drafted by MiBACT, which considers the respect of restoration principles. In order to increase revenues, part of the building is rented. The attractiveness of the investment opportunity is valued through the calculation of the net present value of cash flows, the payback period and the internal rate of return. Findings The paper offers a simple strategy for the planning of cost-revenues, preventively allowing verification if the conservation is economically feasible and if the owners can afford the operation. The strategic planning will give the owners the chance of maintaining the property of their building and achieve a proper restoration on it. Originality/value The novelty of the paper is the study of cooperation between conservation and economic valuation, but also the focus on a specific portion of twentieth-century heritage, the war-wounded houses, which represent a widespread patrimony, on which it is not clear how to operate yet.

ACS Style

Rita Fabbri; Laura Gabrielli; Aurora Greta Ruggeri. Interactions between restoration and financial analysis: the case of Cuneo War Wounded House. Journal of Cultural Heritage Management and Sustainable Development 2018, 8, 145 -161.

AMA Style

Rita Fabbri, Laura Gabrielli, Aurora Greta Ruggeri. Interactions between restoration and financial analysis: the case of Cuneo War Wounded House. Journal of Cultural Heritage Management and Sustainable Development. 2018; 8 (2):145-161.

Chicago/Turabian Style

Rita Fabbri; Laura Gabrielli; Aurora Greta Ruggeri. 2018. "Interactions between restoration and financial analysis: the case of Cuneo War Wounded House." Journal of Cultural Heritage Management and Sustainable Development 8, no. 2: 145-161.