Abstract
The valorization and sustainable management of historic centers is a topic relevant to the cultural identity and heritage of European cities. A rational strategy to preserve the centers must consider both energy and environmental retrofitting, even if this is a complex issue requiring interdisciplinary approaches, dedicated diagnostic procedures, and specific tools. Within this context, this paper proposes an integrated method for energy and environmental analysis specifically devoted to historical building retrofit. Attention is focused on cases in which building management is not interested in renovation or in a deep conservation project, but instead in green management and maintenance overhaul. The basis of the procedure is the Leadership in Energy and Environmental Design for Existing Buildings: Operations and Maintenance (LEED O+M) rating protocol. The global goal was the definition of an intervention strategy indicating the principal direction of action. The first step is identifying critical issues in the operation of the building through energy diagnosis and dynamic thermophysical simulations. The second step is defining a panel of appropriate retrofit measures. The third step is choosing between alternatives to increase the sustainability performance following an environmental assessment scheme. Ca’ Rezzonico in Venice (Italy), a 17th-century palace, nowadays the seat of a museum, was used as a case study to apply the proposed methodology.
Highlights
According to the United Nations previsions [1], in 2050, most people will live in cities or urban centers; it is increasingly vital to work toward a more sustainable urban environment and to guarantee adequate public services realizing greener cities [2]
This paper presents a new procedure for optimizing the integrated environmental and energy audit dedicated to historical buildings, referring to the general scheme of the energy diagnosis process defined in the UNI CEI EN 16247-1:2012 standard [26] and to the Leadership in Energy and Environmental Design (LEED) Operation and Management (LEED O+M) rating system that focuses on the management and operative aspects of a building
It is considered the LEED O+M rating system that focuses on management and operative aspects
Summary
According to the United Nations previsions [1], in 2050, most people will live in cities or urban centers; it is increasingly vital to work toward a more sustainable urban environment and to guarantee adequate public services realizing greener cities [2]. Historical buildings express the cultural identity of European countries, characterize cities, and provide continuity of the connection from our past to our future [3]. Historic centers have the potential to valorize different cultures and to attract financial capital, real estate investments, and building renovation projects, so it is necessary to think about how to coordinate the continuous intervention and management of historic centers to increase citizen and tourist attendance and improve relevant economic and cultural activities. A main goal of managing these centers is to detect and promote new tools for the sustainable management of historic centers. This management would enhance the attractiveness of city centers and their surroundings, increasing their suitability for both citizens and tourists [4]. Energy retrofitting could provide an effective strategy to protect the cultural heritage through operational costs reduction and environmental quality improvement [5]
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