Field survey of air conditioner temperature settings in a hot, dry climate (Oman)

In conventional air-conditioning design, the comfortable range of temperatures is between 25◦C and 27◦C with relative humidity levels of 40% to 60%; these numbers vary only slightly based on a person’s race and country. Several studies in tropical climates show that the observed thermal comfort requ...

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Main Authors:	Abdul Majid, Noor Hanita, Takagi, Nozomi, Hokoi, Shuichi, Ekasiswi, Sri Nastiti, Uno, Tomoko
Format:	Article
Language:	English
Published:	Taylor & Francis Group 2014
Subjects:	NA Architecture T Technology (General)
Online Access:	http://irep.iium.edu.my/38683/ http://irep.iium.edu.my/38683/ http://irep.iium.edu.my/38683/ http://irep.iium.edu.my/38683/1/oman_article-ashrae.pdf

id	iium-38683
recordtype	eprints
spelling	iium-386832015-03-23T08:57:06Z http://irep.iium.edu.my/38683/ Field survey of air conditioner temperature settings in a hot, dry climate (Oman) Abdul Majid, Noor Hanita Takagi, Nozomi Hokoi, Shuichi Ekasiswi, Sri Nastiti Uno, Tomoko NA Architecture T Technology (General) In conventional air-conditioning design, the comfortable range of temperatures is between 25◦C and 27◦C with relative humidity levels of 40% to 60%; these numbers vary only slightly based on a person’s race and country. Several studies in tropical climates show that the observed thermal comfort requirement often does not agree with those obtained based on experiments, which have mainly used North American subjects. However, there is no consistent rationale that explains why comfort requirements are different in hot climates, suggesting that more surveys on thermal comfort may be needed in the tropics. In Asia, there has recently been a rapid and widespread diffusion of air conditioners; therefore, a survey was conducted to clarify what temperature and humidity level people in Asian countries prefer in order to feel comfortable. Following that research, this article presents the results of a questionnaire survey on the use of air conditioners in houses in hot, dry climates. Nizwa and Rustak, Oman, characterized by the hot, arid climate of the Arabian Peninsula, were chosen as survey areas. The questionnaire survey was distributed to students of Nizwa University. Questions were asked about the duration of air-conditioner use and preferred air-conditioner temperature settings. To determine how respondents felt about their indoor environment, questions were also asked about the thermal sensations that were experienced while using the air conditioner. In both cities, the mean operating time of the air conditioner was very long. The respondents reported selecting a low temperature setting while sleeping, despite the fact that many of them reported that they were cold while sleeping. Ninety percent of respondents reported a cold, cool, or neutral thermal sensation while using the air conditioner without feeling discomfort. Taylor & Francis Group 2014 Article PeerReviewed application/pdf en http://irep.iium.edu.my/38683/1/oman_article-ashrae.pdf Abdul Majid, Noor Hanita and Takagi, Nozomi and Hokoi, Shuichi and Ekasiswi, Sri Nastiti and Uno, Tomoko (2014) Field survey of air conditioner temperature settings in a hot, dry climate (Oman). HVAC & R Research, 20 (7). pp. 751-759. ISSN 1078-9669 (P) 938-5587 (O) http://www.tandfonline.com/toc/uhvc20/20/7#.VDd7ofmSxqU 10.1080/10789669.2014.953845
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	NA Architecture T Technology (General)
spellingShingle	NA Architecture T Technology (General) Abdul Majid, Noor Hanita Takagi, Nozomi Hokoi, Shuichi Ekasiswi, Sri Nastiti Uno, Tomoko Field survey of air conditioner temperature settings in a hot, dry climate (Oman)
description	In conventional air-conditioning design, the comfortable range of temperatures is between 25◦C and 27◦C with relative humidity levels of 40% to 60%; these numbers vary only slightly based on a person’s race and country. Several studies in tropical climates show that the observed thermal comfort requirement often does not agree with those obtained based on experiments, which have mainly used North American subjects. However, there is no consistent rationale that explains why comfort requirements are different in hot climates, suggesting that more surveys on thermal comfort may be needed in the tropics. In Asia, there has recently been a rapid and widespread diffusion of air conditioners; therefore, a survey was conducted to clarify what temperature and humidity level people in Asian countries prefer in order to feel comfortable. Following that research, this article presents the results of a questionnaire survey on the use of air conditioners in houses in hot, dry climates. Nizwa and Rustak, Oman, characterized by the hot, arid climate of the Arabian Peninsula, were chosen as survey areas. The questionnaire survey was distributed to students of Nizwa University. Questions were asked about the duration of air-conditioner use and preferred air-conditioner temperature settings. To determine how respondents felt about their indoor environment, questions were also asked about the thermal sensations that were experienced while using the air conditioner. In both cities, the mean operating time of the air conditioner was very long. The respondents reported selecting a low temperature setting while sleeping, despite the fact that many of them reported that they were cold while sleeping. Ninety percent of respondents reported a cold, cool, or neutral thermal sensation while using the air conditioner without feeling discomfort.
format	Article
author	Abdul Majid, Noor Hanita Takagi, Nozomi Hokoi, Shuichi Ekasiswi, Sri Nastiti Uno, Tomoko
author_facet	Abdul Majid, Noor Hanita Takagi, Nozomi Hokoi, Shuichi Ekasiswi, Sri Nastiti Uno, Tomoko
author_sort	Abdul Majid, Noor Hanita
title	Field survey of air conditioner temperature settings in a hot, dry climate (Oman)
title_short	Field survey of air conditioner temperature settings in a hot, dry climate (Oman)
title_full	Field survey of air conditioner temperature settings in a hot, dry climate (Oman)
title_fullStr	Field survey of air conditioner temperature settings in a hot, dry climate (Oman)
title_full_unstemmed	Field survey of air conditioner temperature settings in a hot, dry climate (Oman)
title_sort	field survey of air conditioner temperature settings in a hot, dry climate (oman)
publisher	Taylor & Francis Group
publishDate	2014
url	http://irep.iium.edu.my/38683/ http://irep.iium.edu.my/38683/ http://irep.iium.edu.my/38683/ http://irep.iium.edu.my/38683/1/oman_article-ashrae.pdf
first_indexed	2023-09-18T20:55:35Z
last_indexed	2023-09-18T20:55:35Z
_version_	1777410282236149760

Field survey of air conditioner temperature settings in a hot, dry climate (Oman)

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