A review of operating performance in green buildings: Energy use, indoor environmental quality and occupant satisfaction

Yang, Geng; Ji, Wenjie; Wang, Zhe; Lin, Borong; Zhu, Yingxin

doi:10.1016/j.enbuild.2018.11.017

Cited by 246 publications

(149 citation statements)

References 88 publications

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“…Scofield (2013Scofield ( , 2009 showed no energy savings on average for LEED-certified buildings compared to comparable buildings in the U.S. commercial building stock. Geng et al (2019) found similar results for buildings in China and the United States. Kurkinen et al (2014) also found significant performance gaps in Swedish buildings.…”

Section: Editorialsupporting

confidence: 59%

Addressing the building energy performance gap with measurements

Spitler

2020

Science and Technology for the Built Environment

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Section: Editorialsupporting

confidence: 59%

Addressing the building energy performance gap with measurements

Spitler

2020

Science and Technology for the Built Environment

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“…We consider three meeting rooms in the building. The areas of Room-1, Room-2 and Room-3, respectively, are 6 × 8 m 2 , 8 × 8 m 2 and 4 × m 2 . In this study, we only consider the air-con system, which is the major source of energy consumption inside buildings.…”

Section: Numerical Resultsmentioning

confidence: 99%

“…The first step is to develop rules through which we can determine if energy consumption of building or its sub-system is efficient or inefficient. An example of such rules for the evaluation sub-module is given in (1) and (2). Please note that inference rules are not classical equations.…”

Section: Evaluation Inference Rulesmentioning

confidence: 99%

“…Globally, buildings consume around 30% of total energy and 60% electrical energy every year [1]. Research and development interest in building energy management systems (BEMS) has, therefore, continuously increased in recent years [2][3][4][5]. The objective of BEMS is to improve energy efficiency of buildings as well as to reduce the inconvenience experienced by the building users.…”

Section: Introductionmentioning

confidence: 99%

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An Ontology-Based Framework for Building Energy Management with IoT

et al. 2019

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In this paper, we develop an ontology-based framework for energy management in buildings. We divide the functional architecture of a building energy management system into three interconnected modules that include building management system (BMS), benchmarking (BMK), and evaluation & control (ENC) modules. The BMS module is responsible for measuring several useful environmental parameters, as well as real-time energy consumption of the building. The BMK module provides the necessary information required to understand the context and cause of building energy efficiency or inefficiency, and also the information which can further differentiate normal and abnormal energy consumption in different scenarios. The ENC module evaluates all the information coming from BMS and BMK modules, the information is contextualized, and finally the cause of energy inefficiency/abnormality and mitigating control actions are determined. Methodology to design appropriate ontology and inference rules for various modules is also discussed. With the help of actual data obtained from three different rooms in a commercial building in Singapore, a case study is developed to demonstrate the application and advantages of the proposed framework. By mitigating the appropriate cause of abnormal inefficiency, we can achieve 5.7%, 11.8% and 8.7% energy savings in Room 1, Room 2, and Room 3 respectively, while creating minimum inconvenience for the users.

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“…To promote the green building development and evaluate their implementation and performance, there was a need to create rating systems or tools to assess and certify these kinds of buildings. These systems are very diverse and dependent on the countries where they are implemented [6,14,[17][18][19]. Chethana et al [8], after analyzing and comparing the different rating systems presented in the existing literature, concluded that the three most widely considered key credit criteria are energy, indoor environment quality and water, in this order.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Airflow in a Solar Passive Building on the Indoor Air Quality and Thermal Comfort Levels

2019

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The influence of the airflow in a solar passive building on the indoor air quality and thermal comfort levels was investigated. The numerical study for a university library was conducted using a software that simulates the building thermal behavior with complex topology, in transient conditions, for evaluating the indoor air quality and occupants’ thermal comfort levels for typical summer and winter days. Solar radiation was used as a renewable energy source to increase simultaneously the thermal comfort and air quality levels and reduce building energy consumption. Regarding the solar passive building, consideration was given to all of the building structure envelope, shading devices and interior details, while in the solar active building active ventilation was used. To analyze the airflow that simultaneously provides the best indoor air quality and thermal comfort levels, a new integral methodology based on the minimization of the total number of uncomfortable hours was used. The results show that it was possible to determine an air change rate that ensures a good compromise between thermal comfort and indoor air quality. An optimal air change rate of two and three renewals per hour had been determined, respectively, for winter and summer conditions.

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A review of operating performance in green buildings: Energy use, indoor environmental quality and occupant satisfaction

Cited by 246 publications

References 88 publications

Addressing the building energy performance gap with measurements

Addressing the building energy performance gap with measurements

An Ontology-Based Framework for Building Energy Management with IoT

Influence of the Airflow in a Solar Passive Building on the Indoor Air Quality and Thermal Comfort Levels

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