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Survey on Cooling Costs and Related Factors for Apartments in an Urban Area of Osaka
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A questionnaire survey was carried out to assess cooling behaviors and cooling costs for 290 apartments in an urban area. 1) Cooling costs are strongly related to the number of air conditioners, the months of occupation, and the air conditioner usage frequency during sleep. Lifestyle and ecological interest do not decrease costs. 2) Target temperatures of air conditioning are strongly related to the air pollution outdoors, and to the frequency of window opening. Cooling temperatures are affected by the residents' constitution. 3) Both cooling temperature and air-conditioner use frequency are higher for residents worried more about dew, humidity, odors, and mold. 4) Air-conditioner use frequency is higher for residents who are annoyed by glances from outside and for those with a higher preference of outdoors. 5) South openings are related to the lower cooling costs and higher cooling temperatures, whereas west openings are related to higher cooling costs.
Umemiya, N.; Lin, X.; Inoue, G. (2006). Survey on Cooling Costs and Related Factors for Apartments in an Urban Area of Osaka. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from