A Process for Defining Prototype Building Models: Courthouse Case Study for U.S. Commercial Energy

Mini Malhotra, Piljae Im and Joshua New
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Mini Malhotra: Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
Piljae Im: Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
Joshua New: Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

Energies, 2019, vol. 12, issue 20, 1-27

Abstract: Buildings currently consume 36% of the world’s energy and contribute nearly 40% of CO 2 emissions. Many countries desire to generate virtual models of their nation’s buildings in order to coordinate research activities and inform market opportunities for a more sustainable built environment. The United States Department of Energy uses a suite of Commercial Prototype Building Models, which currently includes 16 building types and covers 80% of US commercial floorspace. Efforts are underway to expand this suite by developing prototype models for additional building types. In this paper, we outline a systematic approach to defining the building, collecting relevant information and creating a flexible model while doing so in the pragmatic context of a courthouse building. Informed by building design guides, databases, documented projects and inputs from courthouse design experts, we define a small, 69,324 ft 2 (6440 m 2 ), four-courtroom, low-rise courthouse as the prototype to represent an average-size courthouse in the US. We present building characteristics relevant for energy model development and provide the rationale for their selection. These details combined with climate- and construction-vintage-specific requirements for the building envelope and systems from building standards will be used for developing the courthouse model for the Commercial Prototype Building Models suite. The comprehensive information presented will also guide model modification to capture the dynamics of smaller or larger courthouses more accurately for building or system size-specific research.

Keywords: commercial prototype building models; courthouse building characteristics; building codes and standards; Commercial Building Energy Consumption Survey (CBECS) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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