Please use this identifier to cite or link to this item: https://doi.org/10.3390/en11081936
Title: Strengths and weaknesses of existing building green retrofits: Case study of a LEED EBOM gold project
Authors: Sun X.
Gou Z.
Lu Y.
Tao Y. 
Keywords: Building performance simulation
Energy audit
Existing building
Green retrofit
LEED
Measurement
Verification
Issue Date: 2018
Publisher: MDPI
Citation: Sun X., Gou Z., Lu Y., Tao Y. (2018). Strengths and weaknesses of existing building green retrofits: Case study of a LEED EBOM gold project. Energies 11 (8) : 1936. ScholarBank@NUS Repository. https://doi.org/10.3390/en11081936
Abstract: This study investigated the process of existing building green retrofits through examining a Leadership in Energy and Environmental Design for Existing Building: Operations and Maintenance (LEED EBOM) Gold project. The project demonstrated a standard green retrofit process for existing buildings, which includes energy auditing, building performance simulation, and measurement and verification. In this project, four energy conservation measures were applied to improve energy performance: light-emitting diode (LED) lighting, window films, green roofs, and chilled water plant upgrading and optimization. The expected energy saving was 30% after the retrofit; while the actual energy saving was 16%. The error of building performance simulation was one of uncertainties in this retrofit project. Occupancy conditions might be the main reason for this uncertainty. Strengths, weaknesses, opportunities and threats were identified and discussed for the green retrofit. The research results could be used to optimize the existing building retrofit process for better energy performance. © 2018 by the authors. Licensee MDPI, Basel, Switzerland.
Source Title: Energies
URI: http://scholarbank.nus.edu.sg/handle/10635/152045
ISSN: 19961073
DOI: 10.3390/en11081936
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