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Open AccessArticle

A Comparative Study on Cooling Period Thermal Comfort Assessment in Modern Open Office Landscape in Estonia

1
Department of Civil Engineering and Architecture, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
2
School of Engineering, Aalto University, Otakaari 4, 02150 Espoo, Finland
*
Author to whom correspondence should be addressed.
Atmosphere 2020, 11(2), 127; https://doi.org/10.3390/atmos11020127
Received: 22 December 2019 / Revised: 14 January 2020 / Accepted: 19 January 2020 / Published: 23 January 2020
(This article belongs to the Special Issue Indoor Thermal Comfort)
Local thermal comfort and draught rate has been studied widely. There has been more meaningful research performed in controlled boundary condition situations than in actual work environments involving occupants. Thermal comfort conditions in office buildings in Estonia have been barely investigated in the past. In this paper, the results of thermal comfort and draught rate assessment in five office buildings in Tallinn are presented and discussed. Studied office landscapes vary in heating, ventilation and cooling system parameters, room units, and elements. All sample buildings were less than six years old, equipped with dedicated outdoor air ventilation system and room conditioning units. The on-site measurements consisted of thermal comfort and draught rate assessment with indoor climate questionnaire. The purpose of the survey is to assess the correspondence between heating, ventilation and cooling system design, and the actual situation. Results show, whether and in what extent the standard-based criteria for thermal comfort is suitable for actual usage of the occupants. Preferring one room conditioning unit type or system may not guarantee better thermal environment without draught. Although some heating, ventilation and cooling systems observed in this study should create the prerequisites for ensuring more comfort, results show that this is not the case for all buildings in this study.
Keywords: thermal comfort; draught; cooling period; open office thermal comfort; draught; cooling period; open office
MDPI and ACS Style

Kiil, M.; Simson, R.; Thalfeldt, M.; Kurnitski, J. A Comparative Study on Cooling Period Thermal Comfort Assessment in Modern Open Office Landscape in Estonia. Atmosphere 2020, 11, 127.

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