Indonesia is a country that has a tropical climate so the temperature and the air tends to warm and hot compared to areas that are not tropical. The population of Indonesia is increasing from year to year according to census data from 1971 to 2010 year. With the population density, the proportion of area for residential buildings in urban land is an area that is most dominant in urban areas. In general, the residence has a front yard and back yard and the inside is made closed. Houses that are in the tropics as in Jakarta and Tangerang generally use air conditioner, fan or ceiling fan in order to obtain thermal comfort. That can lead to wastage of energy and lead to global warming. Ways to help obtain thermal comfort naturally is by having openings such as doors or windows in the house so that the wind can get into the house and the wind can change from outside to inside. In addition there are several other ways to obtain thermal comfort naturally using water element such as a pond or fountain, the existence of some plants, and flue gas cleaning. There are 3 residence will be examined that have innercourt in South Jakarta and South Tangerang region. The purpose of this study is to attempt to determine the criteria innercourt ideal and effective in hot humid tropical climate appropriate applied in residences in a dense urban population in South Jakarta and South Tangerang. Thermal comfort research of residential houses in South Jakarta and South Tangerang will be study by measuring temperature, humidity and wind speed in the area innercourt, space inside, and the outside space at home that examined.