Journal
ENERGY AND BUILDINGS
Volume 43, Issue 5, Pages 1057-1062Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2010.09.001
Keywords
Thermal discomfort; Productivity; Measurement; Thermal sensation votes
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The effects on human performance of elevated temperature causing thermal discomfort were investigated. Recruited subjects performed neurobehavioural tests examining different component skills, and addition and typing tasks that were used to replicate office work. The results show that thermal discomfort caused by elevated air temperature had a negative effect on performance. A quantitative relationship was established between thermal sensation votes and task performance. It can be used for economic calculations pertaining to building design and operation when occupant productivity is considered. The relationship indicates that optimum performance can be achieved slightly below neutral, while thermal discomfort (feeling too warm or too cold) leads to reduced performance. Consequently, it makes sense to set the PMV limits in workplaces in the range between -0.5 and 0 instead of between -0.5 and 0.5 as stipulated in the present standards. (C) 2010 Elsevier B.V. All rights reserved.
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