Green machine : aircon that doesn 't warm the planet
绿色机器：不会让地球变暖的空调
Sales for clothes with their own personal aircon systems are soaring in japan , as seeks ever more ingenious ways of cooling down while saving energy as the nuclear crisis rumbles on .
In conventional vapour-compression systems used by aircon units , the refrigerant is compressed and condensed and then expanded and evaporated to cool the room .
空调设备使用的传统的蒸发压缩循环系统中，冷却剂被压缩冷凝后膨胀气化来给房间制冷。
That would be bad news for the planet , with aircon playing a significant role in the greenhouse-gas emissions produced by residential and commercial property roughly 10 per cent of the world 's total emissions , says graeme maidment at london south bank university .
