Effective energy consumption parameters in residential buildings using building information modeling.

This study explores the integration of Building Information Modeling (BIM) technology with green building practices against the backdrop of global building energy consumption and carbon emissions, accounting for significant proportions of total energy use and emissions. The research highlights the importance of BIM in achieving low-carbon and sustainable building development, which is crucial for environmental protection and meeting carbon neutrality goals. This paper examines BIM's applications in daylight analysis, HVAC load calculation, and energy consumption analysis within the building lifecycle. It demonstrates how BIM, combined with energy simulation software like EnergyPlus and IES VE, optimizes building design, construction, and operation for enhanced energy efficiency and reduced carbon emissions. The study reveals that BIM enables precise daylight simulation, optimizing building orientation and design to increase natural lighting and reduce artificial lighting use. In HVAC load calculations, BIM provides detailed building data for accurate load assessments, leading to efficient system designs. Furthermore, BIM's integration with energy analysis tools allows for comprehensive energy consumption prediction and optimization throughout a building's lifecycle, from construction to operation, improving energy management and reducing operational costs. This research underscores the potential of BIM technology to drive innovation in green building practices, offering valuable insights for the construction industry's transition toward sustainability and carbon reduction.

Assessment of energy utilization and leakages in buildings with building information model energy

This research presents a case study of a single-family home in Georgia, United States, that achieves near net-zero energy costs for the heating, ventilation, and air conditioning (HVAC) system with near-zero additional capital investment. Building information modeling (BIM), energy analysis, and practical common construction practices were integrated to trade-off between design and construction alternatives to achieve these results. An accelerated number of publications addressed net-zero energy buildings (NZEB). Much of this research addresses means and methods to make buildings produce as much energy as they consume (net-zero site or building energy) or make buildings produce energy and sell it to offset the buildings’ energy bills (net-zero cost). However, NZEBs still constitute a small fraction of the building industry, which is mainly due to higher initial costs, significant deviations from common construction practices, or altering common building operations and comfort levels. In this research, a practical approach for achieving NZEB was tested and used in constructing a single-family home. BIM software that generates annual energy consumption with every design alternative was used during the design and construction phases of this home. The BIM model was also used to generate building materials quantities to estimate the initial construction cost. In this case study, the initial construction cost of the selected design was less than that of comparable homes in the same area. The post-occupancy evaluation showed that the annual energy consumption related to heating and cooling was 72% less than that of comparable homes in the same area. Energy consumption related to hot water consumption was 21% less, and energy consumption for lighting was reduced by 22%. In conclusion, general design guidelines and lessons learned are established to help the residential building industry adopt energy-efficient design and construction approaches to reduce energy consumption in homes without increasing the listed prices of homes.

An increase in the world population has led to a sharp decrease in fossil fuel sources; and, therefore, substituting them with renewable sources as well as optimizing energy consumption could be considered ideal solutions. One of the major problems is the excessive use of energy in residential buildings, with Iran's consumption rate in this field being five times the global average. Building facades play a fundamental role in optimizing energy consumption. This paper aims to study the factors affecting the performance of coherent facades in terms of climatic conditions, using a comparative study between traditional-indigenous and modern building facades in the city of Mashhad. In addition, it employs an analytical descriptive method and applies case analysis by numerical calculations as well as software simulations using the DesignBuilder software tool. Other researchers have conducted similar studies, but no comprehensive research has yet been done by making a comparison between traditional-indigenous buildings and modern buildings in Mashhad, Iran, with existing climatic conditions considered. By studying and comparing the window-to-wall ratio, building materials, and facade thickness, it was concluded that the ratio of openings to walls was 20–35% and 30–42% in traditional-indigenous houses and in modern houses, respectively. Similarly, the range of the thermal resistance of facades in traditional buildings was 0.56–0.87 (m2C/W), and it was 0.38–0.48 m2C/W in modern buildings. The analysis of the simulated models showed less thermal dissipation in traditional models than in modern ones. Thus, traditional-indigenous models are more optimized when it comes to energy consumption, apart from creating thermal comfort for building residents. By referring to past architecture and gaining inspiration from the features of traditional building facades in constructing modern buildings, we will be able to help reduce energy consumption in these buildings.

INTRODUCTION: With the increasing global awareness of sustainable development and environmental protection, green building has become one of the important development directions in the construction industry. The application of sustainable type energy in the construction industry is of great significance in reducing building energy consumption and environmental pollution. This study aims to explore the application of sustainable types of energy and conduct research on energy consumption optimization. OBJECTIVE: The aim of this study is to analyze the current situation of the application of sustainable types of energy in the construction industry, to explore its impact on the energy consumption of buildings, and to propose corresponding optimization strategies in order to achieve the goal of sustainable development of green buildings in China. METHODS: This study adopts a combination of literature review and case study; firstly, a literature review on the application of sustainable types of energy, sorting out its technical characteristics and application effects; then, several typical cases are selected to analyze its energy application and energy consumption in buildings; finally, relevant strategies and suggestions for optimizing the energy consumption are put forward by combining the results of the literature review and the case study. RESULTS: Through the literature review and case analysis, it is found that sustainable types of energy, such as solar energy and wind energy, have been widely used in buildings and achieved certain energy-saving effects. However, there are also some problems, such as inefficient energy utilization and high cost. To address these problems, this study proposes a series of optimization strategies, including suggestions for optimizing energy system design, improving energy utilization efficiency, and reducing energy costs. CONCLUSION: This study concludes that the application of sustainable types of energy in green buildings is an important way to optimize building energy consumption and sustainable development. Through measures such as optimizing energy system design and improving energy utilization efficiency, building energy consumption can be further reduced, environmental pollution can be reduced, and the development of the construction industry can be promoted. However, further research and practice are still needed to continuously improve relevant technologies and policies to promote the application and development of sustainable types of energy in buildings.

Building maintenance is essential for the operation of the building to maintain the reliability and performance of the building to match its economic age. There are many buildings whose maintenance is inferior from a technical, administrative, and budgetary perspective, so an appropriate maintenance design model is needed according to the operational needs of the building. On the other hand, the development of digital information technology is getting faster and more widely used. One is Building Information Modeling (BIM), where the entire activity process works in collaboration and integration. Therefore, this study aims to develop a proper building maintenance design model using BIM. The method used is to apply building maintenance standards in Indonesia (Public Works Ministrial Regulation No 24/PRT/M/2008) in BIM supporting applications, namely Autodesk Revit (for visualizing 3D buildings) and Autodesk BIM 360 Ops (for maintenance management), as a case study using the Maintenance Management Design of Walini Station which is one of the Jakarta-Bandung fast train stations with very modern, complex and complicated building components. The maintenance design model is carried out through the following stages: (i) building modeling using Autodesk Revit based on shop drawings in 3D and can be applied to 4D and 5D needs; (ii) export Autodesk Revit results to the Autodesk BIM 360 Ops application because this application can store a database of all building operations; and (iii) conducting a maintenance design simulation using the Autodesk BIM 360 Ops application. The study results show that BIM technology can be used as a detailed, accurate, effective, efficient, and integrated maintenance design model. Keywords: Building Maintenance, Building Information Modeling (BIM), Autodesk Revit, Autodesk BIM 360 Ops, building maintenance model

An investigation of the impact of building orientation on energy consumption in a domestic building using emerging BIM (Building Information Modelling)

Multiobjective optimization of building energy consumption based on BIM-DB and LSSVM-NSGA-II

In recent years, building energy consumption has increased in response to climate change, resulting in a worldwide reduction of energy efficiency. A strong response is required, through both the enhancement of building energy efficiency and the reduction of power usage. These objectives could be achieved by pursuing “Blackout” prevention, through developing a control unit such as that of the urban energy grid system that was used in the Energy Operation Center (EOC) for smart cities. In this context, this paper presents an optimization operation technique for Building Energy Management Systems (BEMS), using control monitor-based Building Information Modeling (BIM) for the efficient operation of the EOC. BIM is one of the approaches that can be used for the visual representation, management, and exchange of information on all aspects of a building. The EOC should be able to efficiently represent the data from the building information, and the operator maintaining it should be able to promptly acquire the data for handling it. This suggests that the control of energy consumption by a Building Automation System (BAS) to maximize building energy efficiency will lead to improved total energy performance, reduced operating costs, and reduced environmental impact.

Building Information Modelling (BIM) is growing in pace, not only in design and construction stages, but also in the analysis of facilities throughout their life cycle. With this continued growth and utilisation of the BIM processes, there comes the possibility to adopt such procedures to measure accurately the energy efficiency of buildings; and therefore, their energy usage. To this end, the aim of this research is to investigate if the introduction of BIM Energy Performance Assessment in the form of software analysis provides accurate results, when compared with actual energy consumption recorded. Through selective criterion sampling, three domestic case studies are scrutinised, with baseline figures taken from existing energy providers, the results scrutinised and compared with calculations provided from two separate BIM energy analysis software packages. Of the numerous software packages available, criterion sampling is used to select two of the most prominent platforms available on the market today. The two packages selected for scrutiny are Integrated Environmental Solutions - Virtual Environment (IES-VE) and Autodesk's Green Building Studio (GBS). The results indicate that IES-VE estimated the energy use in region of ±8% in two out of three case studies, while GBS estimated usage approximately ±5%. The findings indicate that the introduction of BIM energy performance assessment, using proprietary software analysis, is a viable alternative to manual calculations of building energy use, mainly due to the accuracy and speed of assessing, even the most complex models. Given the surge in accurate and detailed BIM models and the importance placed on the continued monitoring and control of buildings energy use within today’s environmentally conscious society, this provides an alternative means by which to assess accurately a buildings energy usage, in a quick and cost effective manner.

[ID] Perkembangan dunia konstruksi yang semakin maju menuntut semua pihak yang terlibat dalam proyek konstruksi untuk mencari solusi yang tepat dalam menyelesaikan proyek konstruksi secara efektif dan efisien. Salah satu aspek penting dalam sebuah proyek konstruksi adalah perhitungan volume, karena kesalahan dalam perhitungan ini dapat menyebabkan kerugian yang besar. Sebelum adanya metode building information modeling (BIM), metode konvensional yang umum digunakan adalah dengan menggunakan gambar CAD dan perangkat lunak Microsoft Excel untuk melakukan perhitungan volume. Namun, metode konvensional ini memakan waktu yang cukup lama karena dilakukan secara manual. Metode BIM memiliki kelebihan dalam menghemat biaya, waktu, dan tenaga karena memungkinkan perencana untuk mengelola data secara presisi dan detail dalam permodelan 3D bangunan serta menghitung quantity take off. Penelitian ini bertujuan untuk membuat model struktur 3D dan menghitung quantity take off pada volume pekerjaan dan material bangunan Gedung Poltekkes Kota Palangka Raya dengan menggunakan metode BIM. Penelitian dilaksanakan pada gedung tersebut dengan menggunakan data sekunder yang didapat dari konsultan perencana. Hasil penelitian menunjukkan bahwa perancangan dan pemodelan bangunan menggunakan BIM dengan menggunakan perangkat lunak Autodesk Revit dapat mempermudah perancangan karena model tersebut memuat informasi dan detail tentang bangunan tersebut. Metode BIM juga mampu menghitung quantity take off hingga detail volume material. Perhitungan quantity take off dengan menggunakan metode BIM menunjukkan selisih rata-rata sebesar 11,38% dibandingkan dengan metode konvensional, membuktikan bahwa perhitungan dengan metode BIM mampu meminimalisir kesalahan perhitungan. [EN] The advancing world of construction demands all parties involved in construction projects to seek effective and efficient solutions. Volume calculation is crucial in construction projects, as errors in volume calculation can lead to significant losses. Before the advent of Building Information Modeling (BIM), the conventional method used CAD drawings and Microsoft Excel software for volume calculations, which were time-consuming due to manual processes. BIM offers advantages in cost, time, and labor savings by enabling precise data management and detailed 3D building modeling, including quantity take-off. This research aims to create a 3D structural model and calculate quantity take-off for the work volume and building materials of the Poltekkes Kota Palangka Raya Building using the BIM method. The study was conducted at the Poltekkes Kota Palangka Raya building using secondary data obtained from planning consultants. The findings indicate that designing and modeling buildings using BIM with Autodesk Revit software facilitates design processes due to the detailed information included in the model. BIM methods can accurately calculate quantity take-off, including detailed volume material calculations. Quantity take-off calculations using the BIM method showed an average difference of 11.38% compared to conventional methods, demonstrating that BIM can minimize calculation errors.

Appropriate level of development of in-situ building information modeling for existing building energy modeling implementation

Understanding how occupants manage their energy use in homes and how their behaviour influence household energy consumption in domestic environments has been challenging. There seems to be several major factors contributing towards achieving optimal performance in designing, constructing and maintaining a sustainable home using Building Information Modelling (BIM) based approaches. This study focuses on investigating the relationship between user behaviour and energy consumption through the in-depth analysis of energy usage patterns collected from a selected affordable terraced house in Prestwick, Scotland, as an initial attempt towards the future integration with BIM systems. For the purpose of this feasibility study, indoor temperature, relative humidity and CO2 sensors, as well as a gas-electricity-water utility monitor were installed in the selected home occupied by a working class nuclear household. The study encompasses the analyses of energy usage patterns in their daily life. It is confirmed that domestic energy consumption is affected by the occupants' presence and behaviour. Moreover, this paper discusses a possibility that the energy prediction approach taken in this study could work alongside BIM systems applied for housing suppliers' design decision-making on the delivery of energy efficient homes of the future.

Human behavior plays a key role in building energy consumption, especially in residential buildings. Residents in the hot-summer and cold-winter zone of China tend to use energy in a “partial-time, part-of-the-space” manner. With the improvement in people’s living standards, the energy consumption of residential buildings in this region has been increasing. Exploring the building energy efficiency methods that suit the local residents’ energy use habits while ensuring building comfort levels is of great importance. This paper investigates the impact of living behavior on residential energy consumption and comfort in this region, focusing on personnel-in-room conditions, use of air-conditioning equipment, and window opening. Firstly, a questionnaire survey was conducted to analyze the energy use behaviors and the mentality of residents in the Jiangsu–Zhejiang–Shanghai Area of China. Then, based on the current situation of the household structure in Shanghai, 10 households were selected and monitored for a period of 8 months. Their energy use patterns were summarized to obtain a standard sample. Finally, the energy consumption simulation software DeST 2.0 was used to analyze the impact of each usage element on comfort and energy consumption. A dual-index evaluation of energy consumption and comfort is proposed for the first time. This paper found that respondents placed about a 6:4 important ratio on “comfort” and “energy efficiency” in their dwellings and that the importance placed on comfort increased from low-energy to high-energy households. Behaviors such as “gathering more in the living room” and “open windows as much as possible in the summer and appropriately in the winter” were more beneficial to both comfort and energy efficiency.

Improving accuracy in building energy simulation via evaluating occupant behaviors: A case study in Hong Kong