Indirect green façade as an overheating prevention measure

doi:10.14256/jce.2797.2019

Cited by 5 publications

(5 citation statements)

References 27 publications

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“…Although the B1 heating energy efficiency class can only be achieved using dark coloured external surfaces, it is recommended to use lighter colours (e.g., α sol = 0.40-0.60) that reduce overheating vulnerability. Alternatively, vegetated surfaces (see Figure 3c) [63] or "cool" surface finishes [64] may be used to act as an effective overheating prevention measure. It is advisable to cool spaces using natural ventilation in summer when conditions allow, typically during the night.…”

Section: Discussionmentioning

confidence: 99%

Exploring Climate-Change Impacts on Energy Efficiency and Overheating Vulnerability of Bioclimatic Residential Buildings under Central European Climate

Pajek

Košir

2021

Sustainability

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Climate change is expected to expose the locked-in overheating risk concerning bioclimatic buildings adapted to a specific past climate state. The study aims to find energy-efficient building designs which are most resilient to overheating and increased cooling energy demands that will result from ongoing climate change. Therefore, a comprehensive parametric study of various passive building design measures was implemented, simulating the energy use of each combination for a temperate climate of Ljubljana, Slovenia. The approach to overheating vulnerability assessment was devised and applied using the increase in cooling energy demand as a performance indicator. The results showed that a B1 heating energy efficiency class according to the Slovenian Energy Performance Certificate classification was the highest attainable using the selected passive design parameters, while the energy demand for heating is projected to decrease over time. In contrast, the energy use for cooling is in general projected to increase. Furthermore, it was found that, in building models with higher heating energy use, low overheating vulnerability is easier to achieve. However, in models with high heating energy efficiency, very high overheating vulnerability is not expected. Accordingly, buildings should be designed for current heating energy efficiency and low vulnerability to future overheating. The paper shows a novel approach to bioclimatic building design with global warming adaptation integrated into the design process. It delivers recommendations for the energy-efficient, robust bioclimatic design of residential buildings in the Central European context, which are intended to guide designers and policymakers towards a resilient and sustainable built environment.

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Section: Discussionmentioning

confidence: 99%

Exploring Climate-Change Impacts on Energy Efficiency and Overheating Vulnerability of Bioclimatic Residential Buildings under Central European Climate

Pajek

Košir

2021

Sustainability

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“…They also have a positive effect on the acoustics of buildings [9,11]. In large cities, they reduce the temperature of the surroundings, or the so-called "heat islands" [6][7][8][9]12], which is where overheating often occurs due to urbanization. Last but not least, they have a positive effect on inhabitants' psychological and physical health [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

“…Thanks to these elements, heat transfer and energy flow can be effectively controlled while reducing the cooling and heating requirements of buildings [12][13][14].…”

Section: Introductionmentioning

confidence: 99%

“…The idea of connecting super insulating materials with green elements/facades arose during a research project carried out by the Faculty of Civil Engineering in Brno and Ljubljana, which are jointly engaged in a project to study the thermal properties and reduced lifecycle impact of alternative hybrid eco-nanomaterials under low pressure [19]. Both faculties have been dealing with this issue for many years [12,[20][21][22][23][24]. Together, they came up with the concept of a thermal insulation panel that would serve as a base for anchoring a green wall/façade, displaying significantly better mechanical properties than the ETICS system of the same thickness, primarily because of the greater protection offered by this sensitive material when integrated into a vertical green wall/facade system.…”

Section: Introductionmentioning

confidence: 99%

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The Use of Advanced Environmentally Friendly Systems in the Insulation and Reconstruction of Buildings

et al. 2023

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This study is devoted to the possibility of using advanced insulation materials, such as Vacuum Insulation Panels (VIP), in the insulation and reconstruction of buildings, in connection with the green elements that are installed on the facade in the case of the use of external thermal insulation composite systems (ETICS). The use of VIP as part of the insulation system will result in a significant reduction in the required thickness of the insulation layer. In turn, the reduced overall thickness of the system will allow for easier direct anchoring of the elements of the green facade through the insulating layer to the base of the structure. The research carried out proves that, by using VIP in the insulation system (with a VIP thickness of 30 mm in combination with 20 mm of extruded polystyrene XPS), the thermal insulation properties can be significantly improved and, thus, the thickness of the insulation system can be reduced to 1/3 of the thickness of conventional insulation (while achieving the same thermal resistance), thereby enabling the anchoring of green elements on the surface of such an insulation system.

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“…This seeks to achieve greater equality and ensure stable and balanced prosperity between society, the environment and the economy. Considering that more than half of the world's population lives in cities (according to Lesjak et al (2020) 55% of the population, a value that rises to 74% when considering only Europe), and this number is expected to keep increasing in the next decade, it must be taken into account that cities have become a nucleus of inequality and social, environmental and economic pathology, although, also for this reason, they are presented as neuralgic spaces in the sustainable career. Architecture, urban planning and construction, as designers of the urban context, must join in this necessary search for growth that does not harm communities socially and economically, but especially the environment in which they are located.…”

Section: Introductionmentioning

confidence: 99%

Economic Study of Green Roofs as a Sustainable Construction System

Borràs¹,

Lerma²,

Más³

et al. 2021

International Scientific Conference EMAN – Economics and Management: How to Cope With Disrupted Times

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Green roofs respond to a need of today’s society to orient its development towards sustainability. Architecture and urban planning, as builders of the modern city, play a crucial role in the search for a balance between social, environmental and economic growth. Green roofs imply recognized benefits in all three fields, but a study of the economic viability of these solutions is necessary, especially in the field of rehabilitation with tighter budgets. Through a cost-benefit analysis throughout its useful life, it is intended to avoid that the initial construction cost of a green roof, or any sustainable construction, could discourage users, helping them to understand its global dimension from an economic point of view.

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Indirect green façade as an overheating prevention measure

Cited by 5 publications

References 27 publications

Exploring Climate-Change Impacts on Energy Efficiency and Overheating Vulnerability of Bioclimatic Residential Buildings under Central European Climate

Exploring Climate-Change Impacts on Energy Efficiency and Overheating Vulnerability of Bioclimatic Residential Buildings under Central European Climate

The Use of Advanced Environmentally Friendly Systems in the Insulation and Reconstruction of Buildings

Economic Study of Green Roofs as a Sustainable Construction System

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