Abstract
In this study, the questionnairing and investigations into the condition for using air-conditioning system were conducted and analyzed residents' consciousness of urban heat island phenomena and the difference of energy consumption for cooling. As a result, concerning residents' consciousness, the influence of using air-conditioning system for cooling was most remarkable and next was human health. Throughout Osaka Prefecture, more than 80% of the residents answered that the countermeasures against heat island phenomena is indispensable. Finally, on the basis of these investigations, the target of the countermeasures against heat island phenomena was set.
