In this study, living-style and energy consumption of houses in Niigata city are analyzed by questionnaire survey. And also indoor temperature is measured in each living room for a week. The results of the questionnaire survey, the quantity of energy consumption, and the results of the analysis by multiple regression method, are as follows. (1)The quantity of energy consumption of houses in Niigata city is obtained. (2)The quantity of electricity consumption is effected by the shelter efficiency, the number of persons in a family, the building area, and the income. (3)The quantity of gas consumption is effected by the number of heating apparatuses, the number of persons in a family, and the shelter efficiency. (4)The quantity of oil consumption is effected by the shelter efficiency, the time of heating, and the building area.
