In Situ Assessment of HVAC System Impact in Façades of a UNESCO World Heritage Religious Building

The maintenance of historic buildings’ optimal indoor environments for structural integrity and collections’ preservation, are inherently complex, multifaceted goals. Moreover, indoor environments do not only affect collections and building"”the occupants’ satisfaction must also be considered....

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Main Authors: Kelsey Williamson, Antonio Martinez-Molina, William Dupont
Format: Article
Language:Catalan
Published: Universitat Politècnica de València 2021-11-01
Series:Anuari d’Arquitectura i Societat
Subjects:
Online Access:https://polipapers.upv.es/index.php/ANUARI/article/view/16331
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author Kelsey Williamson
Antonio Martinez-Molina
William Dupont
author_facet Kelsey Williamson
Antonio Martinez-Molina
William Dupont
author_sort Kelsey Williamson
collection DOAJ
description The maintenance of historic buildings’ optimal indoor environments for structural integrity and collections’ preservation, are inherently complex, multifaceted goals. Moreover, indoor environments do not only affect collections and building"”the occupants’ satisfaction must also be considered. This research evaluates the impact of thermal and humidity problems caused by a HVAC condensing unit on a 265-year-old wall in a UNESCO World Heritage Site in the hot and humid climate of San Antonio, Texas (USA). A field investigation of Indoor Environmental Quality (IEQ) particularly focused on the HVAC impact on a wall nearby was carried out. The case study is a unique historic settlement that includes a limestone church which reflects a similar typology to multiple religious buildings distributed across the southwestern USA. Findings of these investigations show that: i)the relocation of the HVAC condensing unit had a dramatic impact on reducing the outdoor wall temperatures and reducing the size of the interior wall moisture area; ii) the porosity of the limestone and large difference between indoor and outdoor temperatures are mainly responsible for the wall deterioration. Finally, outcomes of this article underline the negative impact of a poor intergration of active systems in historic structures, and highlights the necessity for more investigation in this topic.
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institution Kabale University
issn 2792-7598
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language Catalan
publishDate 2021-11-01
publisher Universitat Politècnica de València
record_format Article
series Anuari d’Arquitectura i Societat
spelling doaj-art-606f59d75e6d48e58df091729250f18a2025-01-03T00:53:37ZcatUniversitat Politècnica de ValènciaAnuari d’Arquitectura i Societat2792-75982792-76012021-11-01114616810.4995/anuari.2021.163318267In Situ Assessment of HVAC System Impact in Façades of a UNESCO World Heritage Religious BuildingKelsey Williamson0Antonio Martinez-Molina1https://orcid.org/0000-0002-3937-7329William Dupont2University of Texas at San Antonio UTSAUniversity of Texas at San Antonio UTSAUniversity of Texas at San Antonio UTSAThe maintenance of historic buildings’ optimal indoor environments for structural integrity and collections’ preservation, are inherently complex, multifaceted goals. Moreover, indoor environments do not only affect collections and building"”the occupants’ satisfaction must also be considered. This research evaluates the impact of thermal and humidity problems caused by a HVAC condensing unit on a 265-year-old wall in a UNESCO World Heritage Site in the hot and humid climate of San Antonio, Texas (USA). A field investigation of Indoor Environmental Quality (IEQ) particularly focused on the HVAC impact on a wall nearby was carried out. The case study is a unique historic settlement that includes a limestone church which reflects a similar typology to multiple religious buildings distributed across the southwestern USA. Findings of these investigations show that: i)the relocation of the HVAC condensing unit had a dramatic impact on reducing the outdoor wall temperatures and reducing the size of the interior wall moisture area; ii) the porosity of the limestone and large difference between indoor and outdoor temperatures are mainly responsible for the wall deterioration. Finally, outcomes of this article underline the negative impact of a poor intergration of active systems in historic structures, and highlights the necessity for more investigation in this topic.https://polipapers.upv.es/index.php/ANUARI/article/view/16331moisture controlnon-destructive techniqueselectrical resistance measuringhvac impact
spellingShingle Kelsey Williamson
Antonio Martinez-Molina
William Dupont
In Situ Assessment of HVAC System Impact in Façades of a UNESCO World Heritage Religious Building
Anuari d’Arquitectura i Societat
moisture control
non-destructive techniques
electrical resistance measuring
hvac impact
title In Situ Assessment of HVAC System Impact in Façades of a UNESCO World Heritage Religious Building
title_full In Situ Assessment of HVAC System Impact in Façades of a UNESCO World Heritage Religious Building
title_fullStr In Situ Assessment of HVAC System Impact in Façades of a UNESCO World Heritage Religious Building
title_full_unstemmed In Situ Assessment of HVAC System Impact in Façades of a UNESCO World Heritage Religious Building
title_short In Situ Assessment of HVAC System Impact in Façades of a UNESCO World Heritage Religious Building
title_sort in situ assessment of hvac system impact in facades of a unesco world heritage religious building
topic moisture control
non-destructive techniques
electrical resistance measuring
hvac impact
url https://polipapers.upv.es/index.php/ANUARI/article/view/16331
work_keys_str_mv AT kelseywilliamson insituassessmentofhvacsystemimpactinfacadesofaunescoworldheritagereligiousbuilding
AT antoniomartinezmolina insituassessmentofhvacsystemimpactinfacadesofaunescoworldheritagereligiousbuilding
AT williamdupont insituassessmentofhvacsystemimpactinfacadesofaunescoworldheritagereligiousbuilding