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A conventional selection criterion of room air conditioners based on rated performance is considered suboptimal from the standpoint of energy efficiency. In order to help consumers evaluate energy performance, annual performance factor (APF) was introduced in the 2005 revision of JIS C 9612. However, APF assumes thermal environment of Tokyo, which makes regional deviation of APF remain unknown. In the present study, rated coefficients of performance (COPs) and market prices of year 2012 models of air conditioners are collected. From the collection, APFs are calculated at nine representative cities in Japan to quantify regional characteristics of APF. 住宅用エアコンのCOPの現状 と APF の地域特性に関する研 究 STUDY ON STATE OF COP AND REGIONAL CHARACTERISTICS OF APF FOR ROO AIR CONDITIONERS 日本建築学会技術報告集 第 20 巻 第 44 号,187-190,2014 年 2 月

STUDY ON STATE OF COP AND REGIONAL CHARACTERISTICS OF APF FOR ROOM AIR CONDITIONERS