The purpose of this paper is to clarify the difference in the resident's consciousness and life style which affects the increases of energy consumption in summer and winter in houses in and around Kyoto city. Energy consumption, resident's consciousness and life style were investigated. The results were as follows: 1. Energy consumption of the investigated houses is 49.3G.T/year. Resident's consciousness affect the seasonal increase in energy consumption. 1. Resident's consciousness has influenced energy conservation. The resident is doing energy conservation, doing devising a life style. 1. The group whose increase of energy consumption were low in summer refrained from air conditioning and utilize ventilation positively. The group whose increase of energy consumption were low in winter refrained from heating and clothed thickly. These groups are doing much more devices in their life.
