Core Bundles of Technologies to Achieve Deep Energy Retrofit with Major Building Renovation Projects

Zhivov, Alexander; Lohse, Rüdiger

doi:10.1007/978-3-030-30679-3_5

Cited by 2 publications

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“…As defined by IEA Annexe 61 (Zhivov et al, 2017), a major building renovation project in which site energy use intensity has been reduced by at least 50% from the pre-renovation baseline is a "deep energy retrofit," so an improvement from EPC label "E" to "A" therefore represents a "deep renovation". We also include depreciation, which is tied to the service life of each component.…”

Section: Building Envelope Improvementmentioning

confidence: 99%

Facades-as-a-Service

Azcárate-Aguerre

2023

Architecture and the Built Environment

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Facades-as-a-Service (FaaS) is a systemic innovation model aiming to accelerate and enhance the energy and comfort performance improvement of our buildings, while safeguarding the availability of material resources for future generations. The circular economy and clean energy transitions in the built environment have respectively dominated the academic dialogue in architecture, engineering, and real estate over the last decades. While significant progress has been made, and many fine examples of more sustainable architecture exist, the process has been hindered by traditional systemic models for the planning, contracting, financing, construction, and management of building projects. If we are to meet the ambitious climate-change mitigation goals and material resource preservation challenges of our generation, it is crucial to re-think the way in which we build, operate, and decommission the built environment. Product-service systems (PSS) are a promising model for realigning environmental risks and responsibilities with financial and business objectives, while promoting much deeper and long-lasting collaboration between all parties involved in a building’s life-cycle. This thesis focuses on the building envelope, as one of the most performance-determining systems in our buildings. It then questions the technological, managerial, financial, and legal contexts which often perpetuate unsustainable linear practices despite the urgency for - and technical feasibility of - more energy- and resource-efficient alternatives. Facades-as-a-Service is a topic that extends far beyond technological readiness and architectural engineering. It is rather a thesis about how we make façade construction and retrofitting decisions, the systemic parameters that determine and constraint these decisions, and whether – in the search for a more sustainable built environment – we should question the fundamental concepts behind these decisions. The results show that gradual and strategic development with a multi-disciplinary perspective can enable and facilitate the implementation of more efficient and sustainable building practices.

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Section: Building Envelope Improvementmentioning

confidence: 99%

Facades-as-a-Service

Azcárate-Aguerre

2023

Architecture and the Built Environment

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“…A key finding being the importance of utilising productive systems within a retrofit and how the quality of the product directly impacts the energy-saving potential. Zhivov et al's (2017) range of work looks specifically at the success and results of retrofitted case studies around the world and identifies key technologies that when applied together will reduce a building's energy comsumption by 50%. He provides a guide to achieving large energy reductions and indicates the best-achieved strategies for attaining a lower energy space.…”

Section: Standard Nelson Blockmentioning

confidence: 99%

“…Awareness of energy use and the improvement of sustainable practices within this paper will be a change that will happen out of necessity rather than an opportunity. The foundation for this research is to aid in providing a regeneration towards the architecture of the educational sector and cited within that is the need to respond to the significant impact that results from past building stock (Zhivov & Lohse, 2017). Architecture and construction contribute towards the largest energy sector in the world.…”

Section: Energy In a Retrofitmentioning

confidence: 99%

Extending the Life; Deep Energy Retrofit Analysis for Classroom Blocks in New Zealand

Crooks

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The New Zealand Ministry of Education owns 33,000 classrooms, many of whichpossess low levels of insulation and depend on openable windows for ventilation. There are over 30 school blocks across New Zealand that identify as the “NelsonBlock” which are the target of this thesis. These school blocks are a presentationof dilapidated architecture that presents opportunity for retrofit. Extending the life of existing buildings reduces both the number of buildings thatend up in landfills and the embodied carbon produced in the construction of areplacement classroom. The aim of this review is to explore potential retrofit measures with the intentionof improving sustainable practices in external classroom block facades andconsequentially improving indoor quality for children occupying the classroomblock. This study adopts a comprehensive literature review of deep-energyretrofits of classroom blocks. The exclusion and inclusion criteria involved the useof keywords such as retrofit, energy savings, education, and life-cycle analysis. A total of 50 articles were reviewed and energy modelling methods were analysedin order to understand the direct impact on extending the life of classroom blocks. The analysis revealed that the current pressure to plan for New Zealand’s carbontargets requires a change in design thinking. This change can be provided throughthe retrofit of existing buildings to extend their life cycle. This will allow buildings that are already established to concurrently reduce theadverse environmental impacts they are presenting and improve the functionalability of our domestic environment. The consequences of such a shift in designthinking will not only mean aiding New Zealand in meeting UN carbon zero goals butalso provide resources and spaces that will nurture and benefit future generationsof children. Future research would investigate standardisation of retrofit guidelinesfor New Zealand classroom blocks. The results of this study revealed the energy considerations for a successful deepenergy retrofit. These considerations were subject to the applied systems as detailedwithin this research. The resulting data from the energy modelling ensures thatthe selected school block; the Nelson Blocks can be successfully retrofitted as asolution set for the Ministry of Education’s application. The results of this deep energy retrofit form a possibility into future renovationsof currently dilapidated architecture. The retrofit solution ensures the buildingscan be utilised for years to come, while the re-use of the existing building providessignificant carbon savings for the future of architecture.

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Core Bundles of Technologies to Achieve Deep Energy Retrofit with Major Building Renovation Projects

Cited by 2 publications

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Facades-as-a-Service

Facades-as-a-Service

Extending the Life; Deep Energy Retrofit Analysis for Classroom Blocks in New Zealand

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