在最近五年左右的时间里,许多家用电器生产厂和设备供应商做了一些尝试,CFC逐步禁用使得生产厂不得不改变制冷剂和绝热发泡剂材料。同时,冰箱、空调、去湿机和其它器械生产厂为了满足美国能源标准的要求,必须生产出效率更高的产品。一些公司的生产线,象家用 In the last five years or so some attempts have been made by many home appliance manufacturers and equipment suppliers, and the gradual disabling of CFCs has forced manufacturers to change their refrigerants and adiabatic blowing agent materials. In the meantime, refrigerators, air conditioners, dehumidifiers and other equipment manufacturers have to produce more efficient products in order to meet the U.S. energy standards. Some company’s production lines, like home