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A comparative study of benchmarking approaches for non-domestic buildings: Part 2 – Bottom-up approach

Burman, E; Hong, S; Paterson, G; Kimpian, J; Mumovic, D; (2014) A comparative study of benchmarking approaches for non-domestic buildings: Part 2 – Bottom-up approach. Building Research and Information: the international journal of research, development and demonstration , 3 (2) 247- 261. 10.1016/j.ijsbe.2014.12.001. Green open access

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Abstract

The bottom-up methods for energy benchmarking aim to derive a yardstick for energy performance based on a theoretical analysis of a building. While the top-down methods drive performance improvement by ranking a building against its peers, the bottom-up methods are focused on the building’s specific context. Consequently, the bottom-up methods can help identify how performance improvement could be materialised. These two complementary approaches can improve design practice and facilities’ management. Two bottom-up methods that could be used for energy benchmarking have been reviewed using UK schools as case studies: Building physics and aggregated end-use. The aim is to demonstrate how these methods could be used for benchmarking and identify their benefits and limitations. When all energy components are included in a model under expected operating conditions, the building physics method can be used to establish a baseline for energy performance. It is demonstrated that where this method is used under standardised operating conditions and is subject to minimum energy performance requirements, as prescribed by the Energy Performance of Buildings Directive (EPBD), it can be used to establish a benchmark for energy performance. It is also shown how aggregated end-use methods such as CIBSE TM22 can be used to define system level benchmarks, and identify the root causes for discrepancy between measured performance and design intent in a systematic way.

Type: Article
Title: A comparative study of benchmarking approaches for non-domestic buildings: Part 2 – Bottom-up approach
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.ijsbe.2014.12.001
Publisher version: http://dx.doi.org/10.1016/j.ijsbe.2014.12.001
Language: English
Additional information: This work is licensed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license. You are free to share (copy, distribute and transmit the work), but you must attribute the author, you may not use this work for commercial purposes and you may not alter, transform, or build upon this work and distribute any derivative works you create under a similar license. http://creativecommons.org/licenses/by-nc-nd/4.0/
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/1414172
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