Building Sector Reform Yangtse River Borderline northern houses are heated (subsidized) Map of China resistance to change Southern Building Envelope Beijing thermal resistance is low Winter Heating inside temperature condition: Yangtse River <Shanghai cold in the winter,0~-5 C hot in the summer,32~35C No Winter Heating Air Conditioning in the South very popular now,large energy lossBuilding Sector Reform Yangtse River Borderline northern houses are heated (subsidized) resistance to change Southern Building Envelope thermal resistance is low inside temperature condition: cold in the winter, 0~ -5 ºC hot in the summer, 32~35ºC Air Conditioning in the South very popular now, large energy loss