Abstract
To estimate the energy consumption of a city in the future, we need to grasp the actual energy consumption of the existing buildings, and the energy consumption per floor area. This serves as a significant guide in promoting energy saving in the future. In this paper, the energy consumption surveys of various kinds of buildings were carried out with emphasis on small-scale buildings, especially. For the purpose of clarifying the features of the energy consuming of buildings for the 5 wards of Hiroshima city, it shows the following three points, and makes the highly consumption-type buildings, the amount consumption-density area clear: 1) The energy consumption per floor area of buildings for various purposes in a city 2) Building composition and energy consumption of each ward 3) The energy consumption density map of the building in Hiroshima-city