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Title: Barriers on Establishing Passive Strategies in Office Spaces: A Case Study in a Historic University Building
Authors: Saraiva, Nuno Baía 
Pereira, Luisa Dias 
Gaspar, Adélio Rodrigues 
Costa, José Joaquim da 
Keywords: Heritage Buildings; Thermal Comfort; Office buildings; Field survey; Free cooling; PMV-PPD indices
Issue Date: 20-Apr-2021
Publisher: MDPI
Project: Project UIDP/50022/2020 (financial support of FCT/MCTES through national funds, PIDDAC) 
2020 MPP2030FCT Ph.D. Grant 
Volume: 13
Issue: 8
Abstract: The adaptation of spaces to different usage typologies can be complex in heritage buildings. Facilities were initially planned for a specific type of use that, when changed, require additional measures to ensure a suitable indoor environment. Passive strategies—e.g., free cooling—are commonly used as an alternative without requiring equipment installation. However, its implementation often leads to unsatisfactory conditions. Therefore, it is important to clarify the main barriers to achieving thermal comfort in readapted historic buildings. The present work investigates the thermal comfort conditions reported by workers in office spaces of a historic building in the University of Coimbra. A monitoring campaign was carried out between May and September 2020 to assess indoor conditions’ quality. Due to the current pandemic of COVID-19, offices were not occupied at full capacity. A one-day evaluation of thermal comfort was made using a climate analyzer and six occupants were surveyed on 19 August 2020. The main results highlighted discomfort due to overheating of spaces. The causes were related to the combination of inadequate implementation of the free cooling actions and the building use. Furthermore, it was recommended the installation of HVAC systems in case of full capacity.
ISSN: 2071-1050
DOI: 10.3390/su13084563
Rights: openAccess
Appears in Collections:I&D ADAI - Artigos em Revistas Internacionais
FCTUC Eng.Informática - Artigos em Revistas Internacionais

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