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... Adaptive reuse is a process of retrofitting old buildings for new uses. Existing residential buildings in European cities are often being retrofitted to be adapted as office buildings whilst keeping its historical value. The main goal of this article is to perform an eco-efficiency assessment for a historic building to assess alternative retrofit strategies and uses, including investigate how occu ...
Sedum; air conditioning; cities; electric energy consumption; electricity; energy; energy conservation; field experimentation; green roofs; heat tolerance; heat transfer; insulating materials; issues and policy; peanuts; residential housing; summer; temperature; vegetation; weather; China
Abstract:
... On hot days, green roofs could reduce heat flux into indoor space and air-conditioning energy use. Most thermal-benefit studies estimate energy saving based on temperature measurements. A field experiment on the roofs of two residential buildings in subtropical Hong Kong was designed to measure air-conditioning electricity consumption in relation to three factors: (1) building thermal insulation ( ...
bricks; buildings; concrete; construction industry; construction materials; databases; environmental impact; glass; gypsum; insulating materials; life cycle impact assessment; life cycle inventory; models; residential housing; steel; sustainable development; South Korea
Abstract:
... Because the reduction in environmental impacts (EIs) of buildings using life-cycle assessment (LCA) has been emphasized as a practical strategy for the sustainable development of the construction industry, studies are required to analyze not only the operational environmental impacts (OEIs) of buildings, but also the embodied environmental impacts (EEIs) of building materials. This study aims to a ...
buildings; computer simulation; energy conservation; greenhouse gas emissions; historic sites; insulating materials; primary energy; residential housing
Abstract:
... Buildings represent the largest sector of primary energy consumption and play a major role in saving energy and reducing greenhouse gas emissions. Our analysis of energy consumption and potential energy savings is based on field measurements, computer simulations and economic calculations. The average primary energy consumption (PE) of wooden apartment buildings was 331kWh/(m²a) 83% higher than th ...
bottles; bricks; carbon; carbon dioxide; cement; clay; climatic zones; concrete; construction materials; databases; embodied energy; energy efficiency; fly ash; foams; greenhouse gas emissions; greenhouse gases; heat; heaters; household equipment; insulating materials; issues and policy; life cycle inventory; mining; polyethylene terephthalates; residential housing; solar collectors; transportation; Western Australia
Abstract:
... PURPOSE: Australian building sector contributes 23% of the total greenhouse gas (GHG) emissions. This is particularly important for Western Australia (WA) as the houses here are made of energy- and carbon-intensive clay bricks. This research has utilized life cycle assessment (LCA) approach and cleaner production strategies (CPS) to design low-carbon houses in 18 locations in regional WA. METHODS: ...
... The efforts of many municipalities to demolish abandoned residential dwellings (ARDs) are hampered by the presence of asbestos-containing materials (ACMs) in these structures. However, the extent of such materials is unknown. Our study sought to characterize ACMs present in ARDs demolished in Detroit.Working with the City of Detroit, we obtained information on all ARDs demolished from 2014 to 2017 ...
Monte Carlo method; air conditioning; cold; cooling; economic performance; energy; energy conservation; insulating materials; issues and policy; models; prediction; residential housing; summer; uncertainty; winter; China
Abstract:
... This paper investigates the energy and economic uncertainty of residential apartments using a stochastic AC behavior model and evaluates the appropriateness of existing building standards/codes-based AC setting in predicting energy and life cycle economic performance of energy-saving measures (e.g. wall insulation) in hot summer and cold winter zone of China. Monte Carlo simulation, distribution f ...
... Supported by thousands of years of history, traditional Huizhou buildings have played a vital role, both functionally and culturally, as residential buildings in China. Masonry walls are one of the key building components of a Huizhou building; however, the traditional Huizhou masonry wall structure, predominantly a hollow brick structure, cannot meet the local building energy code requirements, a ...
compliance; energy; energy policy; insulating materials; quality control; residential housing; water content; wood
Abstract:
... An improvement in energy performance for existing buildings is needed to fulfil EU energy policy. The efficient way to accomplish the idea of nearly-zero energy buildings (nZEB) is to apply the integrated design process and application of prefabricated insulation elements paired with the expertise of hygrothermal performance. In the current study, the commission of design and construction with emp ...
... This research focuses on a comparison of 20 external wall systems that are conventionally used in Spanish residential buildings, from a perspective based on the product and construction process stages of the life cycle assessment. The primary objective is to provide data that allow knowing the environmental behavior of walls built with materials and practices conventionally. This type of analysis ...
data collection; electric energy consumption; energy; insulating materials; residential housing; statistical models; variance; United States
Abstract:
... Occupant characteristics are critical factors that have a significant impact on electricity consumption in residential buildings, which have attracted increasing attention in the research field of building energy. This study analyses the influencing of occupant characteristic-related factors on electricity consumption in residential buildings with the consideration of different targets of electric ...
air temperature; climatic factors; heat; insulating materials; models; residential housing; solar radiation; Malaysia
Abstract:
... An innovative roofing system (IRS) is designed to deliver an abundant and uniform amount of cool natural light from the roof with reduced heat gain effect for tropical residential buildings (3m height) in Malaysia. Studies revealed that several passive and active solar techniques can be integrated to form a roofing system to separate solar heat from useful natural light at the attic zone before he ...
buildings; case studies; cold; energy; energy conservation; environmental impact; global warming; global warming potential; insulating materials; residential housing; summer; wastes; winter
Abstract:
... One important opportunity to reduce energy waste and global warming is renovation, retrofit, and refurbishment of existing buildings. Adding a multi-layer internal insulation is an efficient way to upgrade an existing housing into a nearly zero-energy buildings, NZEB. There is a vast variety of products and solutions for the building envelope with different environmental impacts. In this paper a m ...
European Union; carbon dioxide; climate; ecosystem services; electricity; emissions; energy; heat; heating systems; industrialization; insulating materials; issues and policy; models; residential housing; willingness to pay; Germany
Abstract:
... Residential buildings strongly contribute to global CO₂ emissions due to the high energy demand for electricity and heating, particularly in industrialised countries. Within the EU, decentralised heat generation is of particular relevance for future climate policy, as its emissions are not covered by the EU ETS. We conducted a choice experiment concerning energy retrofits for existing houses in Ge ...
... Residential building insulation is regarded as an easy solution for environmentally friendly building design. This assumption is based on the perception that the amount of thermal energy used to create insulation in most cases is much smaller than the amount of thermal energythat is needed for space heating without insulation over the lifespan of a building. When the energy sources for insulation ...
acidification; case studies; climate; climate change; cost analysis; decision making; eco-efficiency; electricity; emissions; environmental impact; eutrophication; insulating materials; models; primary energy; regression analysis; residential housing; Southern European region
Abstract:
... Eco-efficiency is a key concept encompassing economic and environmental aspects to promote a more efficient use of resources and lower emissions. An eco-efficiency perspective in the design of products and services is thus essential in the pursuit of sustainability. This article proposes a novel decision-support methodological approach to assess the environmental impacts and costs in early design ...
... There are various architectural features of a residential building that can influence its indoor climate and electricity consumption, such as thermal insulation, window size, glazing material, albedo of building façade and orientation. In addition to these architectural features, shading effects (either by external objects or by the building itself) can also affect the thermal performance of a bui ...
... The brick–timber structure plays a crucial role in creating a comfort indoor thermal environment for low-energy vernacular dwellings. Herein, the thermal environment of the dwelling was studied by DesignBuilder software and evaluated using Adaptive Predicted Mean Vote (APMV) index. These results revealed that the indoor damp and cold feelings intensified in winter, and the mountain as a natural wi ...
air temperature; cities; climatic factors; cold; concrete; cooling; electricity; energy conservation; energy costs; energy efficiency; energy requirements; heat; income; insulating materials; residential housing; solar radiation; temperate zones; winter; Mexico
Abstract:
... Environmental conditions, such as air temperature and solar radiation, have a complex relationship with the energy requirements for heating and cooling of residential buildings. In this work, a comparative analysis of the insulation methods most commonly applied to low income single-family houses in Mexico is presented, in order to find the most energy-efficient combinations of methods for the var ...
air conditioning; buildings; carbon dioxide; case studies; computer software; energy; greenhouse gas emissions; humid zones; insulating materials; meteorological data; natural ventilation; residential housing; shade; Iran; Middle East
Abstract:
... This study aims to use the vernacular climatic strategies (VCS) of traditional dwellings in Bushehr, in the common residential buildings of this southern Iranian city (which is characterized by its hot and humid climate), and provide answers to the following question: What effects do VCS have in terms of energy consumption in these buildings? This study has been conducted at three levels. At the f ...
... The gap between calculated and actual energy use has long be recognized as a major hurdle for a realistic assessment of buildings’ performance and anticipated benefits from energy conservation measures, especially when attempting a national building stock analysis. A multinational European effort to develop a conceptual framework for monitoring the effectiveness of energy retrofit measures applied ...
... A transcritical CO₂ reversible heat pump-air conditioning system combined with dedicated mechanical subcooling (DMS) is proposed as an annual heating and cooling solution. A common residential building is selected as a scenario to assess the system annual performance from the viewpoint of energetic, exergetic, and exergoeconomic, and compare with traditional CO₂ system (BASE). The influences of te ...
... The objective of this study is to assess the potential of buildings to modulate the heating power and define simple control strategies to exploit the flexibility potential considering both energy and thermal comfort. Two residential buildings with different levels of insulation and air-tightness have been modelled. This wide range of thermal properties covers the global performance of the resident ...
climate change; cold zones; cooling; energy conservation; energy efficiency; heat recovery; household equipment; insulating materials; primary energy; residential housing; risk assessment; risk factors; temperature
Abstract:
... Here, we analyse final and primary energy savings and overheating risk of deep energy renovation of a Swedish multi-storey residential building of the 1970s under climate change and consider overheating control measures to reduce cooling demand and risk of overheating. The energy-efficiency measures include additional insulation to basement walls, exterior walls, and attic floor as well as improve ...
European Union; buildings; energy efficiency; environmental impact; insulating materials; issues and policy; life cycle assessment; models; renewable energy sources; residential housing; statistical analysis; sustainable technology; temperature; Europe
Abstract:
... PURPOSE: Energy consumption of buildings is one of the major drivers of environmental impacts. Life cycle assessment (LCA) may support the assessment of burdens and benefits associated to eco-innovations aiming at reducing these environmental impacts. Energy efficiency policies however typically focus on the meso- or macro-scale, while interventions are typically taken at the micro-scale. This pap ...
acidification; carbon; case studies; climate change; computer software; construction materials; databases; environmental impact; eutrophication; insulating materials; life cycle assessment; mass timber; oxidation; photochemistry; residential housing; water shortages
Abstract:
... The study focuses on a life cycle assessment of a wood-based residential building and evaluates the magnitude of individual construction components—foundations, flooring, peripheral wall, inner walls, ceiling, roof, windows, and doors—in terms of climate change; acidification; eutrophication; photochemical oxidation; depletion of abiotic elements and fossil fuels; and water scarcity categories wit ...
air quality; buildings; carbon dioxide; case studies; computer software; cooling; cost effectiveness; design; electricity generation; environment; financial economics; greenhouse gas emissions; insulating materials; light; paper; questionnaires; residential housing; solar collectors; surveys; timers; wastes; windows; Kuwait
Abstract:
... The rapid increase of residential buildings in Kuwait is a major contributor in resource consumption, waste generation and CO₂ emissions. This paper aims to introduce a new concept of green buildings in Kuwait for saving water, energy and using eco-friendly materials in residential houses to develop more sustainable and high-performance buildings. For the purpose of evaluating the conventional bui ...
... PURPOSE: The goal of the study was to determine the preferred composition of the floor on grade in residential buildings in the Belgian context from a life cycle environmental and financial perspective. In addition to the life cycle costs, the required investments were evaluated to take into account budget restrictions. The analysis of current available materials and techniques allows both the des ...
... This study assesses the life-cycle environmental implications linked to the energy efficiency improvement by a nano-technological aerogel based panel insulation solution. A cradle to grave approach has been taken for the environmental evaluation of the product life-cycle, including its integration in an existing residential building for the evaluation of the building’s use phase. The model develop ...
construction materials; data collection; energy; energy policy; fuels; heating systems; households; income; insulating materials; models; prices; regression analysis; renewable energy sources; residential housing; surveys; winter; Palestine
Abstract:
... The domestic sector uses the majority of the energy consumed in Palestine. The Palestinian Central Bureau of statistics (PCBS) performs periodic statistics regarding the average energy consumption of the households, but there is no up to date breakdown of the energy consumption in the residential sector. The Palestinian energy sector main challenges are the high fuel prices, lack of sustainable co ...
... Historic buildings are defining elements of city centres but also responsible for a large share of greenhouse gas emissions. In order to reduce their energy demand, it is important to improve envelopes’ thermal transmittance without damaging the historic integrity of their façades by applying interior insulation. Thus, a detailed planning is needed to guarantee that case-specific variables are wel ...
climate; feasibility studies; heat pumps; insulating materials; residential housing; United States
Abstract:
... In this study, the economic and environmental feasibility of air-to-air and geothermal heat pump systems is examined. The significance of the insulation level of the envelope on the economic and environmental feasibility of heat pump systems is demonstrated.The goal of this study is to quantify the extent to which the local climate and the building insulation level influences the economic and envi ...
... Climate responsive strategies contained in traditional native dwellings can provide theoretical basis for the development of sustainable buildings. This study focused on a quantitative analysis of cliff-side cave dwellings located in cold region of China. Field measurements in summer and winter were carried out. Based on the monitoring data, thermal environment of the cave dwelling and thermal cha ...
European Union; air; buildings; climate; construction industry; cooling; cooling systems; energy; finite element analysis; guidelines; heat flow; insulating materials; laws and regulations; residential housing; stakeholders; summer; thermal properties; winter
Abstract:
... Quality of indoor environment as well as energy consumption in buildings are a growing concern in the context of overheating of buildings, as the EU legislation is primarily focused on heating season. The statistical data of EU have shown that there is already a large amount of buildings not comfortably cool during summer and the trend is increasing. Therefore, the main goal of this paper is to ev ...
... Spray polyurethane foam (SPF) has become a popular form of home insulation in the United States, but there have been adverse health effects reported by home owners.We summarized adverse health effects in 13 adults from 10 households (age: 33–82) whose homes were improperly retrofitted with SPF. Subjects either were not asked to leave the premise or were told to return too early. In some cases, pro ...
European Union; adverse effects; air; air conditioning; at-risk population; atmospheric chemistry; buildings; dose response; energy conservation; greenhouse gas emissions; guidelines; heat; human health; humans; insulating materials; issues and policy; models; pollutants; residential housing; smoking (habit); Czech Republic; Greece; Switzerland
Abstract:
... The insulation of residential buildings affects human exposure to fine particles. According to current EU guidelines, insulation is regulated for energy saving reasons. As buildings become tighter, the air exchange rate is reduced and, thus, the indoor concentration of pollutants is increased if there are significant indoor sources. While usually the effects of heat insulation and increase of the ...
... This study estimates the cost of heating and domestic hot water (DHW) with wood chips, under climatic conditions and forest biomass availability in Valdivia, a middle size city in central-southern Chile. The demand for heating and DHW is established for a typical residential building with different thermal insulation conditions. Results of wood chip technology were compared with conventional firew ...
air conditioning; buildings; case studies; climatic factors; convection; electricity; energy efficiency; equipment; fluid mechanics; heat transfer coefficient; heating systems; insulating materials; microclimate; multipliers; prototypes; residential housing; temperature; ventilation systems; wind; winter
Abstract:
... The energy use in building is affected by various factors including building shape, climate conditions, building envelope, equipment efficiency, HVAC system, and occupant behavior. Besides those factors, the wind environment of the microclimate and the neighborhood form, are potential factors influencing energy use. In this research, a neighborhood-scale building energy simulation scheme coupled w ...
climate; climate change; cooling; data collection; energy balance; energy efficiency; greenhouse gases; heat; insulating materials; residential housing; summer; weather; winter; Austria
Abstract:
... Climate change, driven by greenhouse gas emissions, is a growing global concern, threatening world-wide environment, health and economy. Energy needs for buildings are a large source of greenhouse gas emissions. As the energy needs of buildings strongly depends on weather patterns, this paper investigates how climate change may impact building heating and cooling loads, cost-optimal efficiency mea ...
... A range of energy improvement measures applied to a typical Mediterranean residential building are modelled under various climate-change scenarios. Global Circulation Models (CNRM-CM5 and MPI-ESM-LR), under two emission scenarios (RCP4.5 and RCP8.5), downscaled by the Spanish Meteorological Agency, are used to generate four temperature projections. Energy simulations are obtained with TRNSYS tools ...
... Meteorological measurements are conducted in Antwerp, Belgium in July 2013, followed by CFD urban microclimate simulations considering the same city and time period. The simulations are found to be able to reproduce measured air temperatures inside central Antwerp with an average absolute difference of 0.88 °C. The simulation results supplemented with measurements are used to generate location-spe ...
... In Thailand, the delivery of adequate low-income housing has historically been overshadowed by politics with cost and quantity being prioritised over quality, comfort and resilience. In a country that experiences hot and humid temperatures throughout the year, buildings need to be adaptable to the climate to improve the thermal comfort of inhabitants. This research is focused on identifying areas ...
European Union; buildings; case studies; electricity; energy; energy conservation; energy costs; energy use and consumption; heat; heat pumps; insulating materials; residential housing; streams; temperature; wastewater; Luxembourg
Abstract:
... Residential domestic hot water energy consumption represented 16% of the EU household heating demand in 2013. With the improvement of the building insulation envelope, domestic hot water contribution to energy consumption is expected to increase significantly, with values between 20% and 32% in single family buildings, and between 35% to almost 50% in multifamily buildings. This energy, currently ...
building construction; buildings; carbon; carbon dioxide; case studies; cooling; cost analysis; energy conservation; energy requirements; energy resources; greenhouse gas emissions; heat; insulating materials; life cycle assessment; longevity; models; mortgages; primary energy; residential housing; rural areas; Turkey (country)
Abstract:
... PURPOSE: Residential buildings play an important role in consumption of energy resources. About 40 % of all primary energy is used in buildings all over the world. This paper is the second part of the study on the life-cycle energy (LCEA), emissions (LCCO₂A) and cost (LCCA) assessment of two residential buildings constructed in urban and rural areas. METHODS: In the first part, the methodology, fo ...
carbon; databases; energy conservation; energy efficiency; global carbon budget; heat; insulating materials; issues and policy; residential housing; risk; uncertainty; United Kingdom
Abstract:
... The UK government's Clean Growth Strategy unambiguously described the decarbonisation of heat as the UK's greatest policy and technical challenge in meeting our carbon targets. Maximising the potential for energy efficiency in the existing domestic stock is critical to the low-carbon heat transition. Good information exists on the technical potential for energy efficiency measures in the UK stock, ...
automation; case studies; emissions; energy; energy conservation; heating systems; insulating materials; model validation; natural gas; pollutants; residential housing; socioeconomic factors; temperature; transmittance
Abstract:
... The goal of this paper is to evaluate the advantages achieved through the adoption of low impact energy saving strategies for an independent natural gas fired boiler heating system in a recently built residential building in Rome. For this purpose, an existing apartment was selected as a case study and dynamically simulated in TRNSYS with which the model was validated. Low impact retrofit solution ...
air; batteries; electric power; heat; heat pumps; insulating materials; models; renewable energy sources; residential housing; thermal energy; winter; Southern European region
Abstract:
... To increase the penetration of photovoltaic renewable energy (PV RE) in the residential building sector energy mix, the mismatch between mid-day production and evening electrical energy demand must be bridged. The use of heat pumps for space heating of residential buildings creates an opportunity for energy flexible residential buildings that rely on low-cost thermal energy storage systems. This p ...
Mediterranean climate; air temperature; buildings; coatings; heat transfer; insulating materials; model validation; models; prediction; residential housing; tropics; Greece; Singapore
Abstract:
... Double-skin roof is a popular passive cooling solution to curb heat gain into buildings and cool roof is another emerging solution. This study proposed a novel CRHT (cool roof heat transfer) model for double-skin roof which is able to model the heat transfers for a double-skin roof combined with cool roof. The CRHT model was validated against experiments performed in two identically-configured, na ...
case studies; climatic zones; computer software; construction materials; decision making; electricity; electricity costs; energy; energy conservation; greenhouse gas emissions; greenhouse gases; heat tolerance; insulating materials; models; residential housing; risk analysis; thermal properties; Australia; Canada; United Kingdom; United States
Abstract:
... Electricity dependent heating-cooling (H/C) system has increased rapidly to provide thermal comfort to the occupants. H/C is a major source of energy consumption in residential buildings around the world. Studies revealed that the thermal properties of building materials are converted into the same unit as thermal resistance (R) in the USA, Canada, The UK, Australia, and other countries. However, ...
absorption; buildings; case studies; electricity costs; energy; heat; heat pumps; insulating materials; models; prices; residential housing; temperature; thermal properties; China
Abstract:
... The heat demand of existing buildings can be reduced by improving the thermal properties of building envelope. Moreover, the heat medium temperature of district heating (DH) systems may also be influenced by adding insulation materials. An optimization model used to determine the optimum economic insulation thickness of walls (OEITW) of existing buildings with combined heat and power (CHP)-based D ...