External Wall Technological Solutions for Carbon Zero Schools in Italy

Ciacci, Cecilia; Bazzocchi, Frida; Naso, Vincenzo

doi:10.3390/proceedings2020051013

Cited by 3 publications

(3 citation statements)

References 5 publications

(3 reference statements)

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“…It is calculated by Equation (2), where A h (m 2 ) is the total heated area of the j - th building. It is a commonly evaluated measure in building insulation [ 14 , 15 ].

…”

Section: Data Analysis Methodsmentioning

confidence: 99%

Comment on Pietrapertosa et al. How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case Study from Italy. Int. J. Environ. Res. Public Health 2020, 17, 4434

Variny

2021

IJERPH

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This paper responds to the article by Pietrapertosa et al., doi:10.3390/ijerph17124434, published previously in the International Journal of Environmental Research and Public Health. Its aim is to discuss the appropriateness of the studied method, to analyze its weak sides and to propose its robustness improvement. Thus, data presented in the above study were examined and recalculated, yielding, among others, indicators of annual energy savings (in kWh per m2 of total heated area) and specific proposals investment costs (in € per m2 of total heated area). By analyzing the obtained data for all public buildings, a significantly simplified approach to this problematic has been suggested while several other features of the research method and some presented results lack proper reasoning and discussion. Individual approach to each public building has been proposed and discussed point-by-point to enhance the method’s applicability. As a result, more realistic outcomes are obtained, and suitable investment actions can be proposed.

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“…It is calculated by Equation (2), where A h (m 2 ) is the total heated area of the j - th building. It is a commonly evaluated measure in building insulation [ 14 , 15 ].

…”

Section: Data Analysis Methodsmentioning

confidence: 99%

Comment on Pietrapertosa et al. How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case Study from Italy. Int. J. Environ. Res. Public Health 2020, 17, 4434

Variny

2021

IJERPH

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“…Many authors considered the optimization of the insulation thickness of the external envelope considering three different aspects: environmental, energy and, economic [44]. The performance of the buildings was compared in terms of the energy demand for heating and cooling respectively (kWh/(m 2 year) and MWh/year), net cost for energy for heating and cooling ($/m 2 ) [45][46][47], the global warming potential (GWP) for the evaluation of CO 2 emissions into the atmosphere, the total cost including energy and environmental cost [48,49], and the payback period [50,51].…”

Section: State Of the Artmentioning

confidence: 99%

Evaluation of Environmental and Economic Sustainability for the Building Envelope of Low-Carbon Schools

2021

Self Cite

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To achieve a carbon-free economy by 2050, the construction of low-carbon schools in Italy must select the proper structural and technological solutions for the building envelope while ensuring a low economic cost. The aim of this study was to analyze and compare several technological solutions for the building envelope and the related structural solutions in terms of thermo-dynamic properties, energy performance, environmental sustainability parameters, and economic evaluations, to obtain one or more alternatives. After a general study, the binomial load-bearing structure–external wall was investigated given its strong influence on both the environment and the total cost. The solutions were used in a new typological model for the kindergarten. All the solutions are comparable from an energy and environmental point of view, obtaining a primary energy demand of <25 kWh/(m2year) and an environmental impact of <20 kWh/(m2year). However, considering the economic factor and analyzing the binomial load-bearing structure–external wall, the advisable solutions are those that use wooden structures with insulation layer in wood fiber as they have a significantly lower environmental impact, along with the same good energy performance and have an acceptable cost compared to other analyzed solutions.

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“…Hence, to reduce heat loss through the building envelope, energy-efficient materials should be used. However, the decision of optimization of insulation type-thickness and glazing type of the external envelope should be considered in terms of environmental, energy, and economic [11]. In other words, the building performance is evaluated in terms of heating and cooling energy demands, CO2 emissions to the atmosphere for the global warming potential (GWP), the total cost including energy cost, insulation material cost, and the cost in terms of CO2 [12].…”

Section: Introductionmentioning

confidence: 99%

Optimization Bundle Paths of the Building Envelope for Zero-Carbon Strategies

YAZICIOĞLU

İLİPINAR

2023

Gazi University Journal of Science

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Improving building energy performance with minimum emission and cost is important for zero-carbon strategies. In this regard, this study mainly focuses on the envelope of an apartment block. The aim is to investigate the tripartite relationship between energy performance, CO2 emission, and cost by using different wall and roof insulation materials, and various glazing types in a typical reinforced concrete five-floor apartment block in Istanbul, Turkey. In a building performance simulation tool - Cove. Tool, material alternatives’ impacts on energy use, cost, and CO2 emission are calculated. Consequently, 32 different design bundles are generated. Finally, the most advantageous material combination is explored from the design combinations to make cost-conscious, performance-driven, and environmental- friendly decisions.

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External Wall Technological Solutions for Carbon Zero Schools in Italy

Cited by 3 publications

References 5 publications

Comment on Pietrapertosa et al. How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case Study from Italy. Int. J. Environ. Res. Public Health 2020, 17, 4434

Comment on Pietrapertosa et al. How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case Study from Italy. Int. J. Environ. Res. Public Health 2020, 17, 4434

Evaluation of Environmental and Economic Sustainability for the Building Envelope of Low-Carbon Schools

Optimization Bundle Paths of the Building Envelope for Zero-Carbon Strategies

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