Behavior and comfort during floor usage in gathering activities on Indonesia apartments

In response to the development in housing needs, human habits and behavior inside the house have a decisive role, and changes in preference from landed houses to vertical houses should be considered. In correlation with body contact, every activity will involve attachment to a horizontal surface (floor surface), and the vertical surface will impact the surrounding area of human thermal comfort. In a tropical climate like Indonesia, climate, internal space, and the human body are essential interrelated things. Associated with the thermal comfort needs of the human body, direct transfer of thermal conditions and direct contact with the surface will also affect the comfort of living every day in the residential area, represented by the behavior of Indonesians in floor usage for daily activities. This part of the research will focus on describing the behavior in horizontal surface usage and comfort, for which data is collected by using multiple types of questions, such as subjective assessment questionnaires and followed by cluster analysis, to comprehend the result.