Abstract
Buildings are responsible for approximatively 40% of energy consumptions and 36% of CO2 emissions in the EU. In developed countries, any intervention carried out for buildings’ sustainability improvement is related to energy retrofit. Energy retrofit can be considered as a subset of sustainability management and is one of the key issues to be taken into account for the setup of an effective asset and portfolio management strategy. Among asset management core functions, sustainability management is one of those which must be encompassed in a strategic framework for effectively reaching the goals of the organisation. Within this context, sustainability of buildings should be evaluated according to the environmental, economic and social point of view. These different issues require specific assessment methodologies and metrics. Therefore, in this article, a bibliometric analysis on costs estimation is presented, focusing on Life Cycle Costing methodology for energy retrofit interventions. Articles have been investigated through bibliometric, trend and cluster analysis on a sample of 167 articles. The research has been carried out on one of the most acknowledged databases as Scopus and allowed to identify main trends and dynamics of the scientific literature.
Highlights
The building stock in Italy and Europe is often in critical condition and it performs under acceptable levels
It represents the conceptual structure map obtained through a Multiple Correspondence Analysis (MCA) which allows the data interpretation according to the relative positions of the points representing a specific author keyword and their distributions in the graph [13]
The most external keywords on the representation defines the boundaries of the semantic area to which they are associated
Summary
The building stock in Italy and Europe is often in critical condition and it performs under acceptable levels. This is one of the reasons why buildings are responsible for approximately 40% of energy consumption and 36% of CO2 emissions in the EU [1]. Economic sustainability concerns long terms objectives to be achieved thanks to a thorough and careful definition of achievements. Within this the economic models for the calculation and planning of available resources and possible expenditure to be born for the achievement of these objectives should be defined properly. The Life Cycle Costing (LCC) [6] is one of the most adopted and can be considered an effective tool for resource allocation during the life cycle of the physical assets
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