Abstract
In this study, to investigate the effect of basement for maintaining temperature, ground and room temperatures of some type models which were constructed of cement mortar were measured. From the results of the test, it was found that maintaining temperature of basement was affected by temperature of soil and basement was comfortable. And, to analyze temperature distribution of around basement, thermal properties of soil were investigated by experiment. From the results of the test, it was found that thermal properties of soil were affected by mainly water content. Then, effect of adiabatical materials for maintaining temperature of basement was confirmed by comparison of consumption of energy for maintaining the room temperature constantly.