Simple Tool to Evaluate Airtightness in Chilean Homes

Caceres, Alex Gonzalez; Recart, Carolina; Espinoza, Rodrigo; Bobadilla, Ariel

doi:10.3390/su8101000

Cited by 5 publications

(1 citation statement)

References 7 publications

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“…Moreover, this study did not consider decision tools that deal only with one specific aspect of energy retrofitting such as solar panel calculators [29], airtightness assessors [30], insulation calculation tools [31], and home renewables selector tools [32] and instead only considered tools that suggest overall building improvements. Finally, some tools were excluded due to the lack of technical information concerning their calculation methods [33,34].…”

Section: Methodsmentioning

confidence: 99%

Review of Existing Energy Retrofit Decision Tools for Homeowners

et al. 2021

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Energy retrofit tools are considered by many countries as one of the strongest incentives to encourage homeowners to invest in energy renovation. These tools help homeowners to get an initial overview of suitable retrofit measures. Although a large number of energy retrofit tools have been developed to inspire and educate homeowners, energy renovation by individual homeowners is still lagging and the impact of current tools is insufficient as awareness and information issues remain one of main obstacles that hinder the uptake of energy retrofitting schemes. This research extends the current knowledge by analysing the characteristics of 19 tools from 10 different countries. The selected tools were analysed in terms of energy calculation methods, features, generation and range of retrofit measures, evaluation criteria, and indications on financial support. The review indicates that: (1) most toolkits use empirical data-driven methods, pre-simulated databases, and normative calculation methods; (2) few tools generate long-term integrated renovation packages; (3) technological, social, and aesthetic aspects are rarely taken into consideration; (4) the generation of funding options varies between the existing tools; (5) most toolkits do not suggest specific retrofit solutions adapted to traditional buildings; and (6) preferences of homeowners in terms of evaluation criteria are often neglected.

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Section: Methodsmentioning

confidence: 99%

Review of Existing Energy Retrofit Decision Tools for Homeowners

et al. 2021

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A systematic review of retrofitting tools for residential buildings

Caceres

Rabani²,

Wegertseder

2019

IOP Conf. Ser.: Earth Environ. Sci.

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Retrofitting of existing buildings offers significant opportunities to reduce global energy use and greenhouse gas emissions. Therefore, it is considered as one of the main approaches to achieve sustainability in the built environment at a relatively low cost. Although there is a wide range of retrofitting technologies available, methods to identify the most cost-effective measures for each project remain a major technical challenge. Numerous projects have been developed worldwide to face this challenge with different approaches; however, many of the tools meet only local objectives, which is why they are unknown in the international arena, showing a limited transfer of knowledge. This review organizes the results under three categories: renovation assessment, financial assessment, and transfer of knowledge. The tools focusing on promoting the renovation of buildings differ in the type of user, for example, the owners, politicians, or investors. The tools dealing with financial assessment suggest different methods to evaluate and calculate the cost savings, construction costs, and return forecasts through retrofit interventions. Other tools comply with the policies that seek to register, evaluate, and characterize the existing buildings. This review provides researchers, construction professionals, and politicians with a better understanding of the advances made to effectively design building retrofitting measures and promote energy conservation as well as the assessment of the building stock for the development of policies. The review shows that many tools have the potential of joining their capabilities, which can create many opportunities for innovation in the retrofitting area.

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Improving the Energy Performance Certificate recommendations’ accuracy for residential building through simple measurements of key inputs

Caceres

Vik

Granheim

et al. 2019

IOP Conf. Ser.: Mater. Sci. Eng.

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The Energy Performance Certificate (EPC) allows building users to be informed and aware of the quality of the buildings in terms of energy needs. Additionally, the EPC includes a future for existing buildings, which is the incorporation of a Recommendation list of Measures (RLMs) to improve their energy performance in a cost-effective way. Which have risen the question if this tool can provide trustful Cost-effective recommendations due despite the uses of standardized inputs. This study focuses on estimating the impact of using measure ventilation rate, heating set point and airtightness on the profitability of the recommendations. The study is based on common dwelling in Norway, comparing results obtained with a Building Performance Simulation Software, following the Norwegian standard for energy certification and with the uses of measured ventilation rate, airtightness and real heating set points. The results show that the performance gap can be reduced significantly just by adopting these inputs, increasing the confidence on the RLMs and reducing the uncertainty of the investment.

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Simple Tool to Evaluate Airtightness in Chilean Homes

Cited by 5 publications

References 7 publications

Review of Existing Energy Retrofit Decision Tools for Homeowners

Review of Existing Energy Retrofit Decision Tools for Homeowners

A systematic review of retrofitting tools for residential buildings

Improving the Energy Performance Certificate recommendations’ accuracy for residential building through simple measurements of key inputs

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