Perspectives on Near ZEB Renovation Projects for Residential Buildings: The Spanish Case

Patiño-Cambeiro, Faustino; Armesto, Julia; Patiño-Barbeito, Faustino; Bastos, Guillermo

doi:10.3390/en9080628

Cited by 25 publications

(13 citation statements)

References 18 publications

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“…However, the potential reduction of the environmental impact of new buildings is negligible compared to that of existing ones [18][19][20][21][22]. The analysis of several energy renovation packages in a given building and the evaluation of the related costs in two different economic scenarios are useful to derive the optimal solution both in terms of energy performance and global costs [23].…”

Section: Cost-optimal Studies Overviewmentioning

confidence: 99%

Efficient Solutions and Cost-Optimal Analysis for Existing School Buildings

et al. 2016

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Abstract:The recast of the energy performance of buildings directive (EPBD) describes a comparative methodological framework to promote energy efficiency and establish minimum energy performance requirements in buildings at the lowest costs. The aim of the cost-optimal methodology is to foster the achievement of nearly zero energy buildings (nZEBs), the new target for all new buildings by 2020, characterized by a high performance with a low energy requirement almost covered by renewable sources. The paper presents the results of the application of the cost-optimal methodology in two existing buildings located in the Mediterranean area. These buildings are a kindergarten and a nursery school that differ in construction period, materials and systems. Several combinations of measures have been applied to derive cost-effective efficient solutions for retrofitting. The cost-optimal level has been identified for each building and the best performing solutions have been selected considering both a financial and a macroeconomic analysis. The results illustrate the suitability of the methodology to assess cost-optimality and energy efficiency in school building refurbishment. The research shows the variants providing the most cost-effective balance between costs and energy saving. The cost-optimal solution reduces primary energy consumption by 85% and gas emissions by 82%-83% in each reference building.

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Section: Cost-optimal Studies Overviewmentioning

confidence: 99%

Efficient Solutions and Cost-Optimal Analysis for Existing School Buildings

et al. 2016

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“…The use of reference buildings representative of a building stock is widely applied in the European countries, as presented in Mata et al [10], Ballarini et al [11], Dascalaki et al [12], Patiño-Cambeiro et al [13] and Wyrwa et al [14]. Methodologies to define reference buildings are provided, for instance, by Brandão de Vasconcelos et al [15] and Filogamo et al [16].…”

Section: Methodologies For the Energy Performance Assessment Of Buildmentioning

confidence: 99%

A New Methodology for Assessing the Energy Consumption of Building Stocks

Ballarini

Corrado

2017

Energies

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Abstract:The refurbishment of the existing building stocks represents a great potential for energy savings. To make the refurbishment effective, proper modeling of the current energy performance is needed. In most European countries, few and low quality data on the energy performance and on the refurbishment of building stocks are revealed, which increases the risk of not getting representative results. The article presents a new methodology for an effective bottom-up energy modeling, aimed at evaluating the current energy performance of housing stocks. The model is set up according to the IEE-EPISCOPE Project (Energy Performance Indicator Tracking Schemes for the Continuous Optimisation of Refurbishment Processes in European Housing Stocks, 2013-2016), which developed a framework of reliable data and clearly stated model assumptions, as to overcome the lack of data while guaranteeing transparency. The model, applied to an Italian region, is based on statistical data and uses the building typology approach. The energy performance is calculated by means of a quasi-steady state method. A correlation between the estimated and the real energy consumption is obtained. The model allows disaggregating the residential building stock in subsets to identify the main potential for energy savings in specific contexts. Improvements of the current data availability are strongly advisable to keep the model updated.

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“…NZEBs concept is developed to represents a zero or low energy building that using renewable energy systems installed to meet the buildings energy consumption demands (Torcellini et al, 2010). Apart from that, Patiño et al, (2016) stated that NZEBs are buildings that achieve the benchmark efficiency by pursuing or outperforming a list of technical requisites. Therefore, NZEBs can represent buildings that utilise the renewable energy technologies and able enable to develop a network of clean domestic energy assets.…”

Section: Introductionmentioning

confidence: 99%

An Investigation On Current Green Design Practices Towards Net-Zero Energy Buildings (NZEBs) Application In Malaysia Healthcare Projects

Abdellah¹,

Masrom²,

Goh³

et al. 2018

JTMB

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These days, the topic on the sustainable building has become one of the most important concerns in the academic studies, construction industries, as well as governmental agencies. Sustainability in the building sector has raised the attention towards a new concept called net-zero energy buildings (NZEBs). With regards to the development of Malaysia's buildings sectors, the government has realised the undesirable effects of inefficient of energy usage by demonstrating their efforts in Construction Industry Transformation Programme (CITP) 2016-2020. Commonly, healthcare buildings are among the greatest energy consumers of any institution and the extensive use of various medical equipment, mechanical ventilation of this building has caused a high level of carbon emission. Hence, by concentrating on these issues, NZEBs become an important concept to be implemented in healthcare buildings. However, the awareness of NZEBs in Malaysia is still low and the construction industry in Malaysia still unaware of NZEBs. This paper aims to investigate the current design practices of healthcare buildings in Malaysia as well as the architect's understanding of NZEBs through preliminary investigation among architects. Literature was reviewed and pilot studies by using semi-structured interviews were conducted. The results uncover that some green practices related to the design practices in healthcare buildings has been carried out and some of these practices are similar to the NZEBs design practices even though the term of 'NZEBs' is not being used. It is predicted that the paper will provide a basic knowledge for future research in NZEBs for healthcare buildings, challenges of NZEBs implementation and designing NZEBs for healthcare buildings in Malaysia.

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Perspectives on Near ZEB Renovation Projects for Residential Buildings: The Spanish Case

Cited by 25 publications

References 18 publications

Efficient Solutions and Cost-Optimal Analysis for Existing School Buildings

Efficient Solutions and Cost-Optimal Analysis for Existing School Buildings

A New Methodology for Assessing the Energy Consumption of Building Stocks

An Investigation On Current Green Design Practices Towards Net-Zero Energy Buildings (NZEBs) Application In Malaysia Healthcare Projects

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