Climatotherapy is one of the natural therapies and performed at the different climatic environment from that of daily life. Climatic elements such as temperature, humidity, wind, atmospheric pressure, sunlight and, in the forest environment, phytoncide (aromatic terpenes) have effects on human body physically and mentally. On the topographical classification, sea coast, forests, the plains, high mountains etc. have their own specific characteristics of climatic health resorts. Climatic health resorts are defined in two categories. First, protective effects from harmful climatic environments by change of air. Second, physical and mental responses to new environmental stimuli lead to health promotion and disease healing. For example, walking in the forests, terrain treatment at mountains and high altitude climate with slopes, thalassotherapy with adaptation to cold oceanic climate are included. In the present stressful and hyper-aged society, since climatotherapy has a wide range of adaptability, it should be considered to be more exploited.

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We analyzed the relationship between the degree of doing means to live cool naturally and the means included air-conditioning to feel cool during housework. The following findings were obtained;
1) The degree of doing means to live cool naturally were classified into three groups; HIGH, MEDIUM and LOW. The degree of using air-conditioner at rest is small in HIGH group and large in LOW group.
2) All groups used air-conditioner less at housework than at rest. This fact reflects the characteristics of housework.
3) A lot of respondents answered that they suffer from the heat during housework. Cooking, vacuum cleaning and ironing are the worst three housework which respondents complain.
4) He/she cannot always feel comfortable thermally with air-conditioning during housework, because their metabolism are high, necessary ventilation volume is large and the area he/she moves around is not restricted in one room. Therefore the means to live cool naturally are necessary especially during housework. Although HIGH group tend to use various means to live cool naturally, LOW group tend to use only two methods; air-conditioning and opening windows.
5) The results of this study suggest the possibility to live comfortably with the means to live cool naturally other than air-conditioning during daily life and housework by leading LOW and MEDIUM groups to use these means.

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The purpose of this study is to discuss the factors related to the change of the way to cool themselves from the results of the questionnaire surveys in the four regions in western part of Japan
1) The rates which people conduct the behavioral methods to cool themselves in summer such as watering, sudare (a bamboo blind), enjoying the cool of the evening, cool carpet and so on, related with the region, age, type of residential area (new & old).
2) Those methods can be classified into the two groups; the one which is affected by the physical environments, life style etc, the other one which is affected by the consciousness and value. The reason of decrease of the former is the spreading of “goods” (air-conditioner, car, and television etc.) until around 1994, and that of the latter is the effect of the development of information society after 1995.
3) The disturbing factors against opening windows for the two type of residential area (old & new). The reasons for the former are the physical factors such as noise and the smell. Those for the latter are the prevention of crime and the privacy.
4) Some factors other than outdoor climate affect the actual condition of the window opening and the use of fan, because there are differences between the new and old type residential area.

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In consideration of the results from the previous study that spots were observed periodically on the specific locations in the real estate nearby Nagoya city, the present study was designed to analyze the influence of environmental factors on development of microclimate by monitoring ambient temperature (T_a), relative humidity, wind velocity, wind direction, irradiation and surface temperatures of the surroundings at the locations observed. The results demonstrated that a state of local wind flow, wind temperature and surface temperatures of the surroundings (T_s) were the influential factors for development of microclimate. In addition, increase in T_a due to increase in T_s appears to be manifest in afternoon.

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