Abstract
In the face of extreme climate, Net Zero Energy Buildings (NZEBs) represent a very high standard of building energy conservation. The design of NZEBs requires continuous design improvement and analysis in a decision-making process that seeks to meet energy conservation goals. This paper recommends the use of green Building Information Modelling (BIM) to support the design of zero-energy buildings. The design of NZEBs requires two sets of tasks: First, it requires determination of whether the building will offer high-energy efficiency, and, second, it lacks the installation of sufficient renewable energy equipment to meet the building’s load needs. After drawing on the spirit of the United States’ Leadership in Energy and Environmental Design and considering the current situation in Taiwan, this paper recommends the use of electricity Energy Usage Intensity as a measurement unit providing a holistic indicator of energy usage and takes optimized energy performance as a performance target for various solutions. This study demonstrated procedural steps in the application of green BIM and analyzed restrictions on the implementation of green BIM to the analysis of NZEB design.
Highlights
In the face of extreme climate conditions, to maintain the sustainability and protect the earth’s environment, the use of renewable energy is a rational solution to the problems of global warming, air pollution, and the need for energy security
The energy consumption of a building as a whole can be offset by renewable energy generated on-site or obtained nearby so that a balance is achieved between energy consumption and energy output
Intelligent building grade depends on The solution is assigned a score the total score and grade based on the percentage of optimized energy performance
Summary
In the face of extreme climate conditions, to maintain the sustainability and protect the earth’s environment, the use of renewable energy is a rational solution to the problems of global warming, air pollution, and the need for energy security. Combining building energy conservation and use of renewable energy, the net-zero energy building (NZEB) concept represents an innovative means of achieving high energy performance buildings. The International Energy Agency’s (IEA) Solar Heating and Cooling Program approved “Task 40: Towards Net Zero Energy Solar Buildings” (Task 40, 2017) as early as 2008, and the European Union (EU) has announced that energy conservation standards for new-construction buildings must comply with “nearly zero-energy building” guidelines starting in 2020 (European Commission, 2017). Taiwan established the Zero Energy Building Technology Alliance (ZEBTA) in 2011 to promote NZEB development (Xie, 2011). In this context, what is an NZEB? What is an NZEB? What types of NZEBs are most suitable for one’s own country? Do architects and designers have appropriate tools to achieve the ideals of NZEB design?
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