Study on Winter Comfort Temperature in Mixed Mode and HVAC Office Buildings in Japan

Khadka, Supriya; Rijal, Hom B.; Amano, Katsunori; Saito, Teruyuki; Imagawa, Hikaru; Uno, Tomoko; Genjo, Kahori; Takata, Hiroshi; Tsuzuki, Kazuyo; Nakaya, Takashi; Nishina, Daisaku; Hasegawa, Kenichi; Mori, Taro

Study on Winter Comfort Temperature in Mixed Mode and HVAC Office Buildings in Japan

Khadka, Supriya; Rijal, Hom B.; Amano, Katsunori et al.

Energies, 2022, 15(19), 7331

Permalink : https://hdl.handle.net/2115/87080

このアイテムのアクセス数:368件（2026-03-21 00:45 集計）

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https://doi.org/10.3390/en15197331			12

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アクセス権	metadata only access
URI	https://hdl.handle.net/2115/87080
タイトル	Study on Winter Comfort Temperature in Mixed Mode and HVAC Office Buildings in Japan
著者	Khadka, Supriya ; Rijal, Hom B. ; Amano, Katsunori ; Saito, Teruyuki ; Imagawa, Hikaru ; Uno, Tomoko ; Genjo, Kahori ; Takata, Hiroshi ; Tsuzuki, Kazuyo ; Nakaya, Takashi ; Nishina, Daisaku ; Hasegawa, Kenichi ; Mori, Taro
著者名 Khadka, Supriya
著者名 Rijal, Hom B.
著者名 Amano, Katsunori
著者名 Saito, Teruyuki
著者名 Imagawa, Hikaru
著者名 Uno, Tomoko
著者名 Genjo, Kahori
著者名 Takata, Hiroshi
著者名 Tsuzuki, Kazuyo
著者名 Nakaya, Takashi
著者名 Nishina, Daisaku
著者名 Hasegawa, Kenichi
e-Rad_Researcher 70312387 著者名 Mori, Taro
言語	英語
キーワード	field survey
	office buildings
	mixed mode
	HVAC
	thermal sensation vote
	indoor air temperature
	Griffiths' method
	comfort temperature
発行日	2022-10-06
出版者	MDPI
収録物名	Energies
巻(号)	15(19)
ページ	7331
抄録	Comfort temperature is important to investigate because the chosen office indoor temperatures affect the energy used in a building, and a thermally comfortable environment makes the occupants be more productive. The effects of temperature on comfort are broadly recognized for thermal comfort. Japanese office buildings are well equipped with air-conditioning systems to improve the thermal comfort of the occupants. The main objectives of this research were to compare the winter comfort temperature in mixed mode (MM) and heating, ventilation and air-conditioning (HVAC) office buildings and to investigate the relationship between the comfort temperature and the indoor air temperature. This study measured the thermal environmental conditions of the office buildings and surveyed the thermal comfort of the occupants. The field survey was conducted during winter in seven office buildings located in the Aichi prefecture of Japan. In total, 4466 subjective votes were collected from 46 occupants. The result suggested that the occupants were found to be more satisfied with the thermal environment of MM buildings than that of HVAC office buildings. Overall, 95% of comfort temperatures were in the range 22-28 degrees C in MM and HVAC buildings, which were higher than the indoor temperature of 20 degrees C recommended by the Japanese government. The comfort temperature was highly correlated to the indoor air temperature of the MM buildings than to that of HVAC buildings. This indicated that the occupants were more adapted towards the given thermal environment of MM buildings.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	© [2022] by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/).
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.3390/en15197331