Embracing variations in patterns of use, pre and post design phase, to improve tenant energy performance

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Morton, Emma Mellanie and Tuohy, Paul Gerard (2014) Embracing variations in patterns of use, pre and post design phase, to improve tenant energy performance. In: 4th Annual CIBSE ASHRAE Technical Symposium, 2014-04-03 - 2014-04-04.

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Abstract

This paper elaborates a new energy performance benchmarking method to support green tenancy agreements and other energy performance contracts. The existing national energy reporting method does not categorise systemic variations in patterns of use. Results of a case study monitoring operational data of a multi-tenanted office building are presented. The data reveals the actual designed spectrum of occupant density accounts for a 44% increase in tenant energy demand per square meter and a 112% increase in tenant energy demand per full time employees [FTE], dramatically affecting the buildings internal gains, heating and cooling requirements. The study highlights how low levels of occupancy and extended operational hours can give a false representation of energy efficiency.

ORCID iDs

Morton, Emma Mellanie and Tuohy, Paul Gerard ORCID logoORCID: https://orcid.org/0000-0003-4850-733X;
CORE (COnnecting REpositories)