Evaluation of Energy Efficiency Measures in High-rise Buildings from a Life Cycle Greenhouse Gas Emissions Perspective PDF Download
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Author: Miryam Lizeth Rivera Sanchez
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Due to its significant contribution to greenhouse gas (GHG) emissions, the building industry is taking action to fight climate change, developing measures for reducing the operational emissions of buildings. However, some of these well-intentioned measures can result in higher embodied emissions. Under certain conditions, this increase in embodied emissions can more than offset the reductions achieved during the building operational phase. This thesis evaluates the effectiveness of five passive energy efficiency measures to reduce GHG emissions from a life cycle perspective for high-rise residential buildings in Toronto, Canada. Decreasing the window-to-wall ratio was found to be the most effective measure to reduce total GHG emissions. Increasing the continuous insulation on walls and roofs with GHG intensive materials can increase total emissions. The thesis also compares the embodied GHG emissions of curtain walls and window walls finding no practical difference in embodied GHG emissions between the options studied.
Author: Miryam Lizeth Rivera Sanchez
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Due to its significant contribution to greenhouse gas (GHG) emissions, the building industry is taking action to fight climate change, developing measures for reducing the operational emissions of buildings. However, some of these well-intentioned measures can result in higher embodied emissions. Under certain conditions, this increase in embodied emissions can more than offset the reductions achieved during the building operational phase. This thesis evaluates the effectiveness of five passive energy efficiency measures to reduce GHG emissions from a life cycle perspective for high-rise residential buildings in Toronto, Canada. Decreasing the window-to-wall ratio was found to be the most effective measure to reduce total GHG emissions. Increasing the continuous insulation on walls and roofs with GHG intensive materials can increase total emissions. The thesis also compares the embodied GHG emissions of curtain walls and window walls finding no practical difference in embodied GHG emissions between the options studied.
Author: Umberto Desideri
Publisher: Butterworth-Heinemann
ISBN: 0128128186
Category : Technology & Engineering
Languages : en
Pages : 858
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Book Description
Handbook of Energy Efficiency in Buildings: A Life Cycle Approach offers a comprehensive and in-depth coverage of the subject with a further focus on the Life Cycle. The editors, renowned academics, invited a diverse group of researchers to develop original chapters for the book and managed to well integrate all contributions in a consistent volume. Sections cover the role of the building sector on energy consumption and greenhouse gas emissions, international technical standards, laws and regulations, building energy efficiency and zero energy consumption buildings, the life cycle assessment of buildings, from construction to decommissioning, and other timely topics. The multidisciplinary approach to the subject makes it valuable for researchers and industry based Civil, Construction, and Architectural Engineers. Researchers in related fields as built environment, energy and sustainability at an urban scale will also benefit from the books integrated perspective. Presents a complete and thorough coverage of energy efficiency in buildings Provides an integrated approach to all the different elements that impact energy efficiency Contains coverage of worldwide regulation
Author: Shrestha, Shritu
Publisher: Universitätsverlag der TU Berlin
ISBN: 3798327912
Category : Technology & Engineering
Languages : en
Pages : 329
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Book Description
The adverse environmental impacts from inefficient building construction increase if measures to reduce energy and resource use, through stringent building policies and efficient technology, are not implemented in developed and developing countries. To illustrate a holistic approach to reducing buildings’ energy and resources, the comparison of energy efficient and green buildings in terms of their technological aspects and their policy context in developed and developing countries, mainly in Europe, the USA and India, is presented together with a policy package recommendation for Nepal. A quality review of multiple literature sources, supported by various expert opinions, were the methods used for this in-depth analysis. It discusses that mandatory building standards, voluntary labels, information instruments and financial incentives are the most effective combination for the shift towards market transformation, that results in a higher share of energy efficient and green buildings. The lesson such as higher compliance with, and enforcement of, building energy standards can be seen in developed countries (e.g. Germany). Looking at a building’s life cycle perspective, it is not sufficient to focus solely on operational energy reduction in higher energy efficient buildings as this is achieved by the increased use of energy intensive materials. Green requirements must be considered in updating building energy standards and labels, particularly for developed countries. Green building certification will also become more effective when the stringency of energy standards is higher and when the whole building life cycle assessment is considered. Due to the increasing scarcity of energy and resources, many developing countries are forced to face up to the need for holistic green buildings. Although baseline standards are not as high as in most developed countries and national financial support is low, the gradual move towards making the standards more stringent and incorporating the wider scope of resource saving are positive developments in developing countries (e.g. India). However, to achieve significant success, strategies must include the establishment of a suitable funding environment, a political commitment and a strong government vision for long term and sustainable building construction. The challenges faced by Nepal are even greater due to the fast pace of urban growth and the absence of energy and resource efficient buildings policies, highlighting the need for an effective policy package. Overall, this dissertation demonstrates how energy efficient and green buildings are interlinked. Green buildings reinforced with higher levels of energy efficiency and energy efficient buildings incorporating green requirements are stepping-stones for achieving greater building energy and resource efficiencies. And a suitable policy package fosters its development. Nachteilige Umweltwirkungen eines ineffizienten Bausektors nehmen zu, wenn Maßnahmen zur Reduktion des Energie- und Ressourcenbedarfs in Form stringenter Gebäudepolitiken und effizienter Technologie in Industrieländer und Entwicklungsländer nicht umgesetzt werden. Um einen ganzheitlichen Ansatz zur Reduktion des Energie- und Ressourcenbedarfs von Gebäuden abzubilden, werden energieeffiziente und grüne Gebäude hinsichtlich technologischer Aspekte und ihres Politikkontextes in Industrie- und Entwicklungsländern verglichen. Die Analysen beziehen sich hauptsächlich auf Europa, die USA und Indien und werden ergänzt um Empfehlungen für ein Maßnahmenpaket für Nepal. Ein Review unterschiedlicher Literaturquellen, unterstützt durch diverse Expertenmeinungen, stellt die methodische Grundlage für diese detaillierte Analyse dar. Es diskutiert dass Bauvorschriften und -standards, freiwillige Label, Informationsinstrumente und finanzielle Anreize bilden die effektivste Kombination für die Einleitung einer Markttransformation, die schließlich zu einem höheren Anteil energieeffizienter und grüner Gebäude führt. Gute Beispiele einer höheren Beachtung von Gebäudeenergiestandards und deren Weiterentwicklung existieren in verschiedenen Industrieländern wie Deutschland. Unter Berücksichtigung des Lebenszyklus von Gebäuden ist es nicht ausreichend, nur die Reduktion des Energieverbrauchs in der Nutzungsphase der Gebäude zu beachten, weil diese den Einsatz von Materialien mit hohem Energieverbrauch in der Herstellung bedeuten kann. Grüne Anforderungen muss in der zukünftigen Entwicklung von Gebäudeenergiestandards und -labels berücksichtigt werden, insbesondere in Industrieländern. Die Zertifizierung grüner Gebäude wird auch effektiver werden, wenn Energiestandards verschärft werden und wenn vollständige Gebäude-Ökobilanzen berücksichtigt werden. Auf Grund steigender Knappheit von Energie und Ressourcen sind viele Entwicklungsländer gezwungen, sich der Notwendigkeit grüner Gebäude zu stellen. Obwohl das Niveau von Mindeststandards unterhalb dessen der meisten entwickelten Ländern liegt und die finanzielle Unterstützung gering ist, sind die schrittweise Verschärfung der Standards und die Einbeziehung der weiteren Perspektive der Ressourcenschonung positive Entwicklungen in Entwicklungsländer wie Indien. Um erfolgreich zu sein, müssen bestehende Strategien umfasst werden, an die Schaffung eines geeigneten Förderrahmens, die politische Bekenntnis und eine starke Regierungsvision für einen langfristigen und nachhaltigen Bausektor. Die Herausforderungen, mit denen Nepal konfrontiert wird, sind noch umfangreicher. Sie resultieren aus einem schnellen urbanen Wachstum und dem Fehlen von energie- und ressourceneffizienten Gebäudepolitiken. Die Erforderlichkeit eines effektiven Maßnahmenpakets für Nepal wird hierdurch unterstrichen. Insgesamt wird hierdurch der Zusammenhang zwischen energieeffizienten und grünen Gebäuden aufgezeigt. Die verstärkte Berücksichtigung von Energieeffizienz in grünen Gebäuden sowie von Nachhaltigkeitsanforderungen in energieeffizienten Gebäude sind Sprungbretter für die verbesserte Energie- und Ressourceneffizienz von Gebäuden. Eine solche Entwicklung wird durch ein geeignetes Maßnahmenpaket unterstützt.
Author: Hou-Yip Hsiao
Publisher:
ISBN: 9781361292860
Category :
Languages : en
Pages :
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Book Description
This dissertation, "An Evaluation of the Feasibility of Implementing Energy Efficiency Measures in Commercial Buildings in Hong Kong" by Hou-yip, Hsiao, 蕭厚業, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: In 2006, over 160 countries have ratified the Kyoto Protocol, which is an international agreement concerning the climate change. It sets binding targets for reducing greenhouse gas ("GHG") emissions (UNFCCC, 2006) and these countries were committed to do so. Reduction on GNG emission becomes a common but differentiated responsibility over these countries, including China and Hong Kong. In Hong Kong, The Government of the Hong Kong Special Administrative Region ("HKSAR") was also committed to reduce GHG emissions by implementing difference measures (EPD, 2010). In view of 60 percent of GHG emission in Hong Kong is generated by electricity generation, reduction on electricity consumption for building operations is the main means of achieving reduction on GHG emissions. Since Hong Kong had been treated as international financial centre, over 60 percent of the total electricity consumption was contributed by the commercial sector. To promote energy efficiency so as to accomplish reduction on electricity consumption, both HKSAR and other green organization, such as BEAM Society and U.S. Green Building Council, had set up numerous reference guidelines. However, these guidelines may applicable to new buildings but not in most commercial building in Hong Kong which were aged and multi-owned. In these aged and multi-owned commercial building, the concern of energy efficiency was not involved during design stage. In view of durable nature of commercial building, energy efficiency hardly be achieved unless substantial implementation of measures. However, capital cost and alteration work were needed to be considered for such implementation which causing difficulties for most of the single block building. As advised by Electrical and Mechanical Department, the Building Manager is one of the key persons in building energy efficiency and conservation as it is the one who operate all building services installation so as to suit the needs of the occupants. This dissertation is an attempt to evaluate the feasibility of implementing energy efficiency measures in these commercial buildings in Hong Kong from the management point of view. DOI: 10.5353/th_b4834187 Subjects: Commercial buildings - Energy conservation - China - Hong Kong
Author: Pekka Huovila
Publisher: UNEP/Earthprint
ISBN: 9789280727951
Category : Architecture
Languages : en
Pages : 88
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Book Description
The building sector contributes up to 40 per cent of greenhouse gas emissions, mostly from energy use during the life time of buildings. Identifying opportunities to reduce these emissions has become a priority in the global effort to reduce climate change. This publicatiion provides an overview of current knowledge about greenhouse gas emissions from buildings, and presents opportunities for their minimisation.
Author: Xinhai Lu
Publisher: Springer Nature
ISBN: 9811635870
Category : Business & Economics
Languages : en
Pages : 1524
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Book Description
This proceedings book focuses on innovation, cooperation, and sustainable development in the fields of construction management and real estate. The book provides a detailed analysis and description of the disciplinary frontiers in the field of building management and real estate and how they can be promoted in the context of the epidemic. A wide variety of papers provide a reference value for both scholars and practitioners. The proceedings book is the documentation of “the 25th International Symposium on Advancement of Construction Management and Real Estate” (CRIOCM 2020), which was held at the School of Public Administration, Central China Normal University, Wuhan, China, in 2020.
Author: José Manuel Andújar
Publisher: MDPI
ISBN: 3039287028
Category : Architecture
Languages : en
Pages : 412
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Book Description
Buildings are one of the main causes of the emission of greenhouse gases in the world. Europe alone is responsible for more than 30% of emissions, or about 900 million tons of CO2 per year. Heating and air conditioning are the main cause of greenhouse gas emissions in buildings. Most buildings currently in use were built with poor energy efficiency criteria or, depending on the country and the date of construction, none at all. Therefore, regardless of whether construction regulations are becoming stricter, the real challenge nowadays is the energy rehabilitation of existing buildings. It is currently a priority to reduce (or, ideally, eliminate) the waste of energy in buildings and, at the same time, supply the necessary energy through renewable sources. The first can be achieved by improving the architectural design, construction methods, and materials used, as well as the efficiency of the facilities and systems; the second can be achieved through the integration of renewable energy (wind, solar, geothermal, etc.) in buildings. In any case, regardless of whether the energy used is renewable or not, the efficiency must always be taken into account. The most profitable and clean energy is that which is not consumed.
Author: Francesco Pomponi
Publisher: Springer
ISBN: 3319727966
Category : Technology & Engineering
Languages : en
Pages : 519
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Book Description
This book provides a single-source reference for whole life embodied impacts of buildings. The comprehensive and persuasive text, written by over 50 invited experts from across the world, offers an indispensable resource both to newcomers and to established practitioners in the field. Ultimately it provides a persuasive argument as to why embodied impacts are an essential aspect of sustainable built environments. The book is divided into four sections: measurement, including a strong emphasis on uncertainty analysis, as well as offering practical case studies of individual buildings and a comparison of materials; management, focusing in particular on the perspective of designers and contractors; mitigation, which identifies some specific design strategies as well as challenges; and finally global approaches, six chapters which describe in authoritative detail the ways in which the different regions of the world are tackling the issue.
Author: Ming Hu
Publisher: Routledge
ISBN: 1351256505
Category : Architecture
Languages : en
Pages : 162
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Book Description
What do we mean by net zero energy? Zero operating energy? Zero energy costs? Zero emissions? There is no one answer: approaches to net zero building vary widely across the globe and are influenced by different environmental and cultural contexts. Net Zero Energy Building: Predicted and Unintended Consequences presents a comprehensive overview of variations in 'net zero' building practices. Drawing on examples from countries such as the United States, United Kingdom, Germany, Japan, Hong Kong, and China, Ming Hu examines diverse approaches to net zero and reveals their intended and unintended consequences. Existing approaches often focus on operating energy: how to make buildings more efficient by reducing the energy consumed by climate control, lighting, and appliances. Hu goes beyond this by analyzing overall energy consumption and environmental impact across the entire life cycle of a building—ranging from the manufacture of building materials to transportation, renovation, and demolition. Is net zero building still achievable once we look at these factors? With clear implications for future practice, this is key reading for professionals in building design, architecture, and construction, as well as students on sustainable and green architecture courses.
Author: Cuong N. N. Tran
Publisher: Taylor & Francis
ISBN: 1000409155
Category : Business & Economics
Languages : en
Pages : 155
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Book Description
This book develops a model to evaluate and assess life-cycle greenhouse gas emissions based on typical Australian commercial building design options. It also draws comparisons between some of the many green building rating tools that have been developed worldwide to support sustainable development. These include: Leadership in Energy and Environmental Design (LEED) by the United States Green Building Council (USGBC), Building Research Establishment Environmental Assessment Method (BREEAM) by the Building Research Establishment, Comprehensive Assessment System for Building Environmental Efficiency (CASBEE) by the Japanese Sustainable Building Consortium, and Green Star Environmental Rating System by the Green Building Council of Australia. Life-cycle assessment (LCA), life-cycle energy consumption, and life-cycle greenhouse gas emissions form the three pillars of life-cycle studies, which have been used to evaluate environmental impacts of building construction. Assessment of the life-cycle greenhouse gas emissions of buildings is one of the significant obstacles in evaluating green building performance. This book explains the methodology for achieving points for the categories associated with reduction of greenhouse gas emissions in the Australian Green Star rating system. The model for the assessment uses GaBi 8.7 platform along with Visual Basic in Microsoft Excel and shows the relationship between the building’s energy consumption and greenhouse gas emissions released during the lifetime of the building. The data gathered in the book also illustrates that the green building design and specifications are becoming more popular and are being increasingly utilized in Australia. This book is important reading for anyone interested in sustainable construction, green design and buildings and LCA tools.
