抄録
The purpose of this survey is to grasp the present condition of heaters and electrical appliances which were sold in 1994. In this study, we investigated 369 tipes of electrical appliances which were sold in 1994 by collecting catalogue. The items were sizes, necessary spaces, capacities, and consumptions of electric power, etc. And we analyzed and grasped the present conditions of 520 items. In addition, we have taken the data of air conditioners, refrigerators and washing machines every year or two since 1985, and we surveyed the changes of them.
