Retrofitting Solutions for Energy Saving in a Historical Building Lighting System

Ciampi, Giovanni; Rosato, Antonio; Scorpio, Michelangelo; Sibilio, Sergio

doi:10.1016/j.egypro.2015.11.343

Cited by 25 publications

(14 citation statements)

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“…Given the obtained results, it seems of interest to pay attention to some interventions with which significant energy savings on the lighting consumptions can be achieved. This type of interventions is generally non-invasive, such as simple lamp replacement in existing luminaires [15,24,25], and as a result is particularly suited to buildings for which the preservation of artistic value is a fundamental prerequisite.…”

Section: Resultsmentioning

confidence: 99%

“…For the first group, the following interventions were considered: replacement of the incandescent lamps with compact fluorescent lamps in the historical luminaires, keeping the same shape of the lamps for aesthetic reason (I1a); replacement of the incandescent lamps with LED lamps in the historical luminaires, Given the obtained results, it seems of interest to pay attention to some interventions with which significant energy savings on the lighting consumptions can be achieved. This type of interventions is generally non-invasive, such as simple lamp replacement in existing luminaires [15,24,25], and as a result is particularly suited to buildings for which the preservation of artistic value is a fundamental prerequisite.…”

Section: Discussionmentioning

confidence: 99%

“…In addition, for office buildings (a frequent function attributed to the Italian historical buildings) the energy consumption due to artificial lighting represents a share higher than 50% [7,14] of the overall consumption. For this reason, carrying out an energy audit of the lighting system is important in order to identify energy saving interventions that are simple to implement, enabling significant reductions of the energy consumption and of the related cost [15,16].…”

Section: Material: the Historical Building Used As Case Studymentioning

confidence: 99%

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The Energy Audit Activity Focused on the Lighting Systems in Historical Buildings

et al. 2016

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Abstract:The energy audit for a building is a procedure designed mainly to obtain adequate knowledge of the energy consumption profile, identify, and quantify opportunities for energy savings by a cost-benefit analysis and report, clearly and comprehensively, about the obtained results. If the audit is referred to a building with a significant historical and artistic value, a compatibility evaluation of the energy saving interventions with the architectural features should also be developed. In this paper, analysing the case study of a historical building used as public offices in Pisa (Italy), the authors describe how it is possible to conduct an energy audit activity (especially dedicated to the lighting system) and they show how, for this type of buildings, it is possible to obtain significant energy savings with a refurbishment of the lighting system. A total number of seven interventions on indoor and outdoor lighting sub-systems were analysed in the paper. They are characterised by absolute compatibility with the historical and artistic value of the building and they show short payback times, variable between 4 and 34 months, allowing a reduction of the electrical energy consumption for the artificial indoor and outdoor lighting variable from 1.1 MWh/year to 39.0 MWh/year. The followed methodology and the evaluation results described in the paper, although based on a case study, can be extended to numerous historical buildings used as public offices, a recurring situation in the centres of Italian historical cities.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Material: the Historical Building Used As Case Studymentioning

confidence: 99%

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The Energy Audit Activity Focused on the Lighting Systems in Historical Buildings

et al. 2016

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“…As a consequence, they are protected and under the constraints of the Italian Heritage Protection Department (known also as Superintendence). When historical buildings are adapted to a different use from the original one, energy solutions for renovation and refurbishment are just as complex as the maintenance of connected indoor microclimatic, thermo-hygrometric, air quality and lighting conditions, especially in the context of the preservation of their historical value, authenticity and integrity [1][2][3][4][5][6]. At present, there are very few examples of transformation and/or retrofitting of ancient churches of historical and cultural value into university libraries [3,6].…”

Section: Introductionmentioning

confidence: 99%

A Method for Sustainable Lighting, Preventive Conservation, Energy Design and Technology—Lighting a Historical Church Converted into a University Library

Balocco

Volante

2019

Sustainability

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Many ancient libraries in Italy are housed in historical buildings, only a few in former churches and monasteries. Newly built libraries mostly comply with the requirements of sustainability, energy saving and renewable energy use, but this does not occur for existing ones, especially when they belong to the historical cultural heritage. Historical library buildings have good mass and thermal inertia but often have inadequate windows with low light transmission value. Lighting systems are often without control and thus cause poor lighting conditions. Our present research concerns the energy sustainability assessment of retrofit operations for lighting in an existing historical university library, focusing on lighting quality, adequate lighting conditions for visual tasks, vision ergonomics and well-being, and guaranteeing the preventive conservation and protection of heritage books. This case study is very particular, because it concerns a Florentine historical monastery which is now a university library. Our proposed method introduces an optimal toolset for lighting design solutions with the aim of sustainability. The library indoor space was procedurally decomposed into illumination volumes according to different occupant activities and visual tasks and different use areas. This method is extensible to all similar cultural heritage case, but also existing old buildings and current designs. Sustainability 2019, 11, 3145 2 of 17Today, libraries are conceived and designed as spaces that are more virtual than physical, whether they are part of recovery and retrofitting interventions or new projects: their use, reading and research practices have been transformed and, at the same time, almost all the users have replaced notebooks with laptops, occupying a larger reading station than in the past; while at the PC station, it is also possible to consult a wide variety of texts necessary for study and research. Nowadays, libraries are also an integrated service system.Of all the libraries in Italy, approximately 50% are subjected to certain limits and over 90% are grade listed [7][8][9]. Most of them were built prior to 1930. Almost all of them are totally inefficient from energy and environmental points of view [7][8][9]. Several European programs have highlighted and aimed at integrating the recommendations of the Efficiency Performance Building Directives, EPBD and EPBD2 [10,11], European Committee for Standardization (French: Comité Européèn de Normalisation, CEN [12]), then of CEN TC 346 [13] and of the EnerPHit Certified Retrofit (PHI) in historic buildings [14]. The guidelines of the Ministry of Cultural Heritage and Activities (in Italian: Ministero per i Beni e le Attività Culturali, MiBAC) on the energy efficiency of the historical heritage are very important and decisive [15]. There are significant examples of recent European projects in the field of the redevelopment of historic buildings, which were designed and financed for the application of the aforementioned directives, such as the 2009 European project...

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“…Modern technological capabilities of manufacturers of translucent structures allow the mass production of window blocks with the thermal resistance of 1.0 m 2 0 С/W and higher, which exceeds the thermal resistance of external brick walls with a thickness of 770 mm (3 bricks). When they are used, the heat loss of buildings through the outer enclosure in the winter period of operation differs from traditional significantly [7][8][9][10][11][12][13][14][15]. In this case, from the point of view of providing thermal protection, the windows will not be the most vulnerable part of the outer shell of the building.…”

Section: Introductionmentioning

confidence: 99%

Providing thermal protection when replacing window blocks in historical buildings

Константинов

Mukhin

2018

IOP Conf. Ser.: Earth Environ. Sci.

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Abstract. The work presents the prerequisites to replace the window units in the historical buildings (primarily increased energy efficiency standards of buildings and significantly changed performance requirements of window units). The analysis of possible replacement options (full/partial) of window units of the historical buildings is done according to their architectural and historical values. A review is made of the existing technological capabilities of modern window systems and translucent filling (double-glazed windows), as well as the most common solutions used in practice. The issue of providing the temperature-humidity conditions of the nodes of adjunctions of the window blocks to the openings of the external walls in the winter operating conditions is considered. For this purpose, a numerical simulation of the temperature fields of the junction points is made for various structural embodiments of window frames. It is established that in the case of a full replacement of window blocks and maintaining the existing structure of external walls (the calculation is made using the example of the most common external wall for Central Russia -a brick wall 770 mm thick), condensation may form on the inner surface of window slopes. Different options are suggested for window blocks installation, which ensure the fulfillment of sanitary and hygienic requirements. Further directions for the research on the use of modern types of translucent structures in the historical buildings are outlined.

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Retrofitting Solutions for Energy Saving in a Historical Building Lighting System

Cited by 25 publications

References 1 publication

The Energy Audit Activity Focused on the Lighting Systems in Historical Buildings

The Energy Audit Activity Focused on the Lighting Systems in Historical Buildings

A Method for Sustainable Lighting, Preventive Conservation, Energy Design and Technology—Lighting a Historical Church Converted into a University Library

Providing thermal protection when replacing window blocks in historical buildings

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