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On quantifying building performance adaptability to variable occupancy


On quantifying building performance adaptability to variable occupancy

Ouf, Mohamed M., O'Brien, William and Gunay, Burak (2019) On quantifying building performance adaptability to variable occupancy. Building and Environment . ISSN 03601323 (In Press)

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Official URL: http://dx.doi.org/10.1016/j.buildenv.2019.03.048


Most existing and new buildings adapt poorly to variable occupancy, in part due to technical constraints and common operational practice. Although building automation systems and advanced control strategies aim to address this issue by improving adaptability to partial occupancy, no holistic metrics exist to quantify this aspect of building performance. To this end, we present a technology-independent approach to define adaptability as a building performance attribute and introduce metrics to quantify it. These metrics can be used to evaluate how different building technologies and control strategies influence building operations’ adaptability to variable occupancy or estimate their associated energy savings. To demonstrate these metrics, a case study based on simulating a single-story office building was used to compare several control strategies with regards to their effect on improving adaptability. Results showed how the proposed metrics highlighted the additional benefits of these control strategies, especially under low-occupancy scenarios. Performance-based compliance with building energy codes and standards typically assumes full or near full occupancy, which may underestimate the benefits of adaptable building technologies or controls. Therefore, incorporating adaptability metrics in energy codes and operational guidelines would quantify the benefits of adaptable systems, especially under variable occupancy.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Building, Civil and Environmental Engineering
Item Type:Article
Authors:Ouf, Mohamed M. and O'Brien, William and Gunay, Burak
Journal or Publication:Building and Environment
Date:23 March 2019
  • Natural Resources Canada (NRCan)
  • Natural Sciences and Engineering Research Council of Canada (NSERC)
Digital Object Identifier (DOI):10.1016/j.buildenv.2019.03.048
Keywords:Occupancy; Adaptability; Benchmarking metrics; Building performance evaluation; Monitoring
ID Code:985159
Deposited By: Michael Biron
Deposited On:08 Apr 2019 18:11
Last Modified:21 Mar 2021 01:00


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