Cuentas energéticas no habituales en edificación residencial

Diego, Margarita de Luxán García de; Muñoz, Gloria Gómez; López, Elena

doi:10.3989/ic.14.059

Cited by 18 publications

(16 citation statements)

References 4 publications

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“…The marked differences between theoretical and actual consumption are based on the unsuitability of the methods to work with passive measures to improve the energy performance of buildings, including thermal inertia. The importance of rehabilitation with passive measures is therefore demonstrated in this type of building [46]. At the same time, the influence of the human factor on buildings is confirmed as a factor to be taken into account in the methodologies for evaluating the energy performance of buildings, as it can distort the results obtained [47].…”

Section: Discussion Of Results and Comparison With Actual Consumptionmentioning

confidence: 69%

“…Passive energy rehabilitation, based on the improvement of the envelope and the implementation of solar control elements, especially benefits buildings located in warm climates as opposed to measures aimed at replacing thermal installations with others of greater efficiency. Numerous research studies highlight the importance of reducing energy demand through design and passive building solutions [46].…”

Section: Related Literaturementioning

confidence: 99%

“…On the other hand, post-execution studies have also shown that there are conflicts between the real cases and the simulations carried out with the programs and the methods for evaluating the energy performance of buildings [15]. Conflicts between simulations and real cases have also been detected when quantifying amortization periods for the application of energy-efficiency improvement measures [46]. This situation can lead to erroneous decision-making when some authors argue that the time needed to amortize the energy consumption of new construction versus rehabilitation is 60 years [50].…”

Section: Related Literaturementioning

confidence: 99%

See 2 more Smart Citations

Energy Efficiency and Economic Viability as Decision Factors in the Rehabilitation of Historic Buildings

et al. 2019

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The restoration of historical buildings often implies a change in the main use of the building so that it can once again become a part of people’s lives. Among the interventions needed to adapt the buildings to their new purpose, improving the energy performance is always a challenge due to their particular construction solutions and the influence that these improvements can have on their protected elements. The regulations in force in European Union (EU) member states leave a gap in how the energy performance evaluations in these types of buildings can be defined, and even exclude them from the process. However, rehabilitation of buildings is always seen as an opportunity, because it allows the building to once again be useful to society and play an important role in people’s lives. At the same time, it can also improve their performance and allow benefits to be gained from their use through a reduction in maintenance costs. In the rehabilitation process, the economic viability of the renovation plays a fundamental role which must be compared, in the case of protected buildings, to its impact on the architecture of the building. Since 2002, the EU has issued directives with the aim that countries should define objective methods to improve the energy performance of buildings and, in recent times, methods that demonstrate the amortization of such improvements. Within the process of implementing the new methodologies adapted to the EPBD, Spain was one of the last EU countries to define a process for the energy assessment of existing buildings, introducing an analysis of the economic viability of the construction improvements suggested in the process. The objective of this research was to describe the decision-making process during the evaluation of the feasibility of introducing construction improvements to the energy performance of two catalogued historic buildings located in a warm climate. The estimated energy consumption was evaluated, the net present value (NPV) and the payback period of the investment calculated, and the results obtained were compared with the real energy consumption. At the end of the process, it can be said that the methodologies adopted in Spain offer results that can lead designers to make wrong decisions that may affect the protected heritage values of these buildings.

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Section: Discussion Of Results and Comparison With Actual Consumptionmentioning

confidence: 69%

Section: Related Literaturementioning

confidence: 99%

Section: Related Literaturementioning

confidence: 99%

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Energy Efficiency and Economic Viability as Decision Factors in the Rehabilitation of Historic Buildings

et al. 2019

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“…Empieza a haber voces críticas que llaman la atención acerca de las limitaciones del modelo vigente, que analiza únicamente aspectos energéticos: "La evaluación energética de edificios suele cuantificar consumos, ahorros energéticos y económicos, amortizaciones, emisiones de CO 2 , etc. ; sin embargo, existen otros factores, habitualmente no considerados, que pueden ser determinantes en la elección de soluciones para el mejor comportamiento y la eficiencia energética de los edificios y en el bienestar y la calidad de vida de sus usuarios, especialmente en las viviendas (14)." La limitación de los enfoques basados en la energía, es que descuidan otros factores que influyen en el metabolismo que sí se tienen en cuenta cuando se estudian los intercambios de materia, energía e información que se producen dentro de los edificios.…”

Section: Introductionunclassified

Metabolismo en los edificios. Estudio de medidas para el ahorro del consumo de agua en tres centros docentes en Madrid

2020

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Estudios previos han investigado sobre el desempeño energético de centros docentes. Sin embargo, no parece haberse explorado suficientemente la relación entre consumo de energía y consumo de agua en este tipo de edificios. Este artículo presenta los resultados de un estudio empírico, basado en la metodología de la auditoría energética operativa, realizado en tres centros docentes ubicados en la Comunidad de Madrid. Los resultados sugieren que las medidas de ahorro en el consumo de agua, como implantar perlizadores, temporizadores o doble pulsadores, son relevantes en cuanto a la mejora de la eficiencia energética, suponen inversiones moderadas y obtienen unos periodos de retorno simple de la inversión atractivos para los gestores de los edificios. Se abren nuevas vías de investigación que apuntan a realizar el análisis de otros flujos de materia e información, de manera que se establezca la relación entre dichos flujos y el consumo de energía que llevan aparejados.

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“…La realización de los análisis puede llevarse a cabo mediante diversos métodos: prototipos a escala real (16), simulaciones energéticas (17), (18), mediciones in situ mediante monitorización (19), (20) y tratamiento de datos (21), encuestas y estudio de las facturas energéticas (1), e incluso parámetros de confort y sociales (22).…”

Section: Introductionunclassified

Análisis energético de viviendas en la comunidad extremeña

Pozas

2018

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El consumo energético del parque de viviendas español debe ser analizado para promover políticas adecuadas de rehabilitación urbana y reducir las emisiones de CO2. Debido a que las tipologías edificatorias varían considerablemente de una zona a otra se requiere establecer una diferenciación previa según el territorio. En este sentido, este estudio desarrolla una metodología para analizar el parque residencial extremeño, y realiza el examen de un conjunto de viviendas de distinto periodo y tipo constructivo. Se han utilizado simulaciones energéticas, encuestas y datos de facturas, y se aportan indicadores de demanda y consumo. Los valores obtenidos demuestran que las viviendas unifamiliares consumen, de media anual, entre 100 y 200kWh/m2, mientras que las plurifamiliares reducen sus valores entre 60 y 150kWh/m2, siendo los valores más altos los que pertenecen al periodo constructivo de 1940 a 1980. Además de ello se observa una mayoría de viviendas del conjunto en situación de pobreza energética.

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Cuentas energéticas no habituales en edificación residencial

Cited by 18 publications

References 4 publications

Energy Efficiency and Economic Viability as Decision Factors in the Rehabilitation of Historic Buildings

Energy Efficiency and Economic Viability as Decision Factors in the Rehabilitation of Historic Buildings

Metabolismo en los edificios. Estudio de medidas para el ahorro del consumo de agua en tres centros docentes en Madrid

Análisis energético de viviendas en la comunidad extremeña

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