Abstract
This chapter reports the results of a survey on the attitudes of residents towards the use of air conditioners in Indonesia. A questionnaire survey and measurements of the thermal environment were carried out. With increasing income, the percentage of residents who felt that air conditioning was necessary also increased. Once residents start to use air conditioners, they continue their use. When an air conditioner is used, the lowest room temperature ranges from 23 to 29 °C, which is lower than that observed in Japan. Air conditioners are typically used around 14:00 and during sleeping time; this is similar to the situation in Naha, a subtropical area of Japan. Also, the duration of air conditioner use is longer than that in Japan. As a result of these findings, the consumption of energy used for cooling is expected to increase in this area.
This chapter was revised from the paper [11] in references, based on the recent researches.
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Notes
- 1.
Generally, the monthly average temperature in July and in February is not so different, and the humidity in July is lower than that in February. However, the temperature in July 2002 was higher than that in February 2001. The average, minimum and maximum of the measured temperature during the survey were 27.5 °C, 24.4 °C, and 29.8 °C in July 2002, and 28.1 °C, 25.8 °C, and 31.2 °C in February 2001.
- 2.
In Japan, the air conditioner is mainly used when the residents are active. On the other hand, the residents in Surabaya use it mainly in their sleeping time. The temperature setting of the air conditioner and the comfort temperature might be different between active and sleeping times, although it is not discussed here. It may need more consideration.
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Uno, T., Hokoi, S., Ekasiwi, S.N.N. (2018). Survey of Thermal Environment of Residences Using Air Conditioners in Surabaya, Indonesia. In: Kubota, T., Rijal, H., Takaguchi, H. (eds) Sustainable Houses and Living in the Hot-Humid Climates of Asia. Springer, Singapore. https://doi.org/10.1007/978-981-10-8465-2_23
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