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The methodologies, processes, and analyses employed in the comparison work could also be used to compare other programs. The research findings could also serve as a good reference to improve the modeling capabilities and applications of the three BEMPs. This is to guide the use of BEMPs in the design and retrofit of buildings, especially to support China’s building energy standard development and energy labeling program. The secondary goal was to provide a list of strengths and weaknesses for each BEMP, based on in-depth understandings of their modeling capabilities, mathematical algorithms, advantages and limitations. The primary goal of this work was to research methods and processes that would allow a thorough scientific comparison of the BEMPs.
#What are some hvac simulation software code#
In order to address these problems, it is essential to identify and understand differences between widely-used BEMPs, and the impact of these differences on load simulation results, by detailed comparisons of these BEMPs from source code to results. In the more » fields of building energy code development and energy labeling programs where building simulation plays a key role, there are also confusing and misleading claims that some BEMPs are better than others. The result is a lack of confidence in building simulation amongst many users and stakeholders. It is widely known that large discrepancies in simulation results can exist between different BEMPs.
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Energy Foundation, an industrial partner of CERC-BEE, was the co-sponsor of this study work. This joint effort, between Lawrence Berkeley National Laboratory, USA and Tsinghua University, China, was part of research projects under the US-China Clean Energy Research Center on Building Energy Efficiency (CERC-BEE). This technical report presented the methodologies, processes, and results of comparing three Building Energy Modeling Programs (BEMPs) for load calculations: EnergyPlus, DeST and DOE-2.1E.