Association between green building certification level and post-occupancy performance: Database analysis of the National Australian Built Environment Rating System

Loading...
Thumbnail Image
File version
Accepted Manuscript (AM)
Author(s)
Gui, Xuechen
Gou, Zhonghua
Griffith University Author(s)
Primary Supervisor
Other Supervisors
Editor(s)
Date
2020
Size
File type(s)
Location
License
https://creativecommons.org/licenses/by-nc-nd/4.0/
Abstract

This study aims to understand the improvement in building performance vis-à-vis a rise in green building certification levels. It investigated the National Australian Built Environment Rating System (NABERS), one of the few government initiatives that rates energy performance, emissions, water consumption, and indoor environment quality (IEQ) separately based on their corresponding post-occupancy data. A set of 2657 certified records of office buildings and their performance data acquired from the NABERS database were analysed. Performance indicators for the analysis were energy use intensity (EUI), emission intensity (EMI), water consumption intensity (WCI), and indoor environment quality score (IEQS). The results revealed a linear relationship between each indicator's performance data and certification level—a one-level rise reduced EUI, EMI, and WCI by 184.45 MJ/m2, 41.94 kgCO2-eq/m2, and 0.24 t/m2, respectively, per year on average. On the other hand, further rise in the level made the reduction less significant. The reduction also varied from the baseline, which is related to climatic and socioeconomic factors. This study also found that rise in IEQ and energy certification levels correspondingly raised the ratio of IEQS to EUI and EMI, indicating quality/load. Thus, compared with other major green building rating systems, NABERS could differentiate building performance more effectively using different certification levels. This study addresses the baseline issue as well and provides suggestions to improve NABERS and other green building rating systems.

Journal Title
Building and Environment
Conference Title
Book Title
Edition
Volume
179
Issue
Thesis Type
Degree Program
School
Publisher link
Patent number
Funder(s)
Grant identifier(s)
Rights Statement
Rights Statement
© 2020 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence (http://creativecommons.org/licenses/by-nc-nd/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
Item Access Status
Note
Access the data
Related item(s)
Subject
Architecture
Building
Pollution and contamination
Science & Technology
Construction & Building Technology
Engineering, Environmental
Engineering, Civil
Persistent link to this record
Citation
Gui, X; Gou, Z, Association between green building certification level and post-occupancy performance: Database analysis of the National Australian Built Environment Rating System, Building and Environment, 2020, 179, pp. 106971
Collections