Optimisation of multi-residential building retrofit, cost-optimal and net-zero emission targets

Panagiotidou, Maria; Aye, Lu; Rismanchi, Behzad

doi:10.1016/j.enbuild.2021.111385

Cited by 55 publications

(19 citation statements)

References 36 publications

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“…The impact of PES has also been shown and discussed in the context of building refurbishment, where e.g. (Panagiotidou, 2021) concluded that net zero energy buildings cannot be achieved without decarbonisation of the electricity grid. While the construction type is of importance for the embodied impact, its sensitivity decreases for the combined assessment.…”

Section: Discussionmentioning

confidence: 99%

Proceedings of the 27th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

2022

CAADRIA Proceedings

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This paper discusses the design and development of scale masonry structures using robot arms, computer vision hardware and bespoke computational workflows. In parallel to the development of full-scale masonry solutions using a Cable Driven Parallel Robot (CDPR), a faster method for testing large numbers of brick elements is needed to verify buildability, mitigate collisions, and think differently about recycled materials during real-world construction activities. Additionally, by incorporating scanning and analysis technology, materials can be digitized, and their attributes translated into variables for placement within an intended structure.

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Section: Discussionmentioning

confidence: 99%

Proceedings of the 27th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

2022

CAADRIA Proceedings

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“…Other studies dealing with the cost-effectiveness of energy retrofit investments have used the building typology approach, which consists in the use of representative buildings or building types identified and classified in function of specific aspects (e.g., building use, building age, building size and climatic zone) [44]. Some of these works have dealt with residential buildings [31,[48][49][50][51][52][53][54][55][56]. For example, Ascione et al [56], by using a reference multi-family housing in the city of Naples, applied economic methods to select the best profitable packages of energy efficiency.…”

Section: A Brief Review On the Economic Evaluation Of Building Renovation Investmentsmentioning

confidence: 99%

A Staged Approach for Energy Retrofitting an Old Service Building: A Cost-Optimal Assessment

et al. 2021

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Office buildings built before the pre-1960 age constitute a relevant group for analyzing the energy performance of the Portuguese building sector. A dynamic energy simulation was used to assess the energy performance of an existing office building located in the town of Bragança, Portugal. By using a staged renovation approach, two passive technologies applied to the building envelope and an efficient domestic hot water system were selected and a financial evaluation through the net saving (NS) method was undertaken to choose the best efficiency measures/packages for improving the building’s energy performance. Real discount rates of 3% and 1% were used in the financial evaluation. Considering the real discount rate of 3%, the results showed that only two out seven retrofit options had a positive financial return. By using the real discount rate of 1%, all retrofit options were found to be financially efficient. The results of the study corroborated those of earlier works that found that the financial profitability of energy renovation investments is very sensitive to the discount rate used in the analysis. The results of the study also suggested that the staged renovation approach used in the analysis is economically feasible, and that this approach is an alternative to one-step renovation approach to help to achieve the country´s energy and climate targets by 2030. Suggestions for future research conducted for office buildings in the different climate zones and other age groups in Portugal are proposed.

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“…It was found that the cost‐optimal retrofit caused more than 60 % reduction in greenhouse gas emissions with the observed market trends (envelope insulation, double‐glazed windows, air‐to‐air heat pumps and solar thermal collectors). A maximum of 87 % to 96 % diminishment was reached by carrying out thicker envelope insulation, low‐carbon (biomass boiler) or high‐efficiency (gas‐condensing boiler, air‐to‐air or air‐to‐water heat pumps) heating and cooling systems, photovoltaic‐thermal and facade‐integrated photovoltaic systems, despite a net‐zero greenhouse gas emission retrofit could not be achieved without electricity grid and the installation of efficient electricity‐driven system [31].…”

Section: Introductionmentioning

confidence: 99%

Impact of insulation materials and wall types of reference buildings on building energy efficiency with three methods in Çorum city

Karakoç

Tüzün

2022

Materialwissenschaft Werkst

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The improvement of energy efficiency in buildings is one of the most important factors of the energy policy of Turkey owing to its energy import, especially of natural gas. Çorum city, one of the colder cities of Turkey that uses a high amount of natural gas as fuel for heating, was selected to demonstrate the reduction in energy loss and carbon dioxide emissions of buildings and to contribute to the insulation sector in the Çorum industry. Therefore, two different methods, namely, the Turkish standard 825 and heating degree-days, are applied in cost-optimal methodology, using four types of traditional insulation materials, namely, standard expanded polystyrene, neopor (graphite-added expanded polystyrene), extruded polystyrene, and stone wool, and two state-of-the-art insulation materials, aerogel and vacuum insulation panels in two types of reference buildings comprising hollow brick and pumice stone walls. As a consequence of application of the Turkish standard 825 and heating degree-days methods in the cost optimal methodology of the European Energy Performance of Buildings Directive with the utilization of the optimum insulation thicknesses of six types of insulation materials calculated from both the Turkish standard 825 and heating degree-days methods at four different types of windows and one top side measure, a new methodology was developed. Results obtained from three methodologies are compared based on insulation materials and wall types.Keywords: Turkish standard 825 / heating degree-days / cost-optimal methodology / wall types / insulation materials Die Verbesserung der Energieeffizienz in Gebäuden ist aufgrund des Energieimports, insbesondere von Erdgas, eine der wichtigsten Faktoren der Energiepolitik der Türkei. Die Stadt Çorum, eine der kälteren Städte der Türkei, die eine große Menge Erdgas als Brennstoff zum Heizen verwendet, wurde ausgewählt, um die Reduzierung des Energieverlusts und der Kohlendioxidemissionen von Gebäuden zu demonstrieren und einen Beitrag zum Isoliersektor in Çorum zu leisten. Daher werden zwei verschiedene Methoden, nämlich der türkische Standard 825 und Heizgradtage, in kostenoptimaler Methodik angewendet, wobei vier Arten traditio-

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Optimisation of multi-residential building retrofit, cost-optimal and net-zero emission targets

Cited by 55 publications

References 36 publications

Proceedings of the 27th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

Proceedings of the 27th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

A Staged Approach for Energy Retrofitting an Old Service Building: A Cost-Optimal Assessment

Impact of insulation materials and wall types of reference buildings on building energy efficiency with three methods in Çorum city

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