家用空调器能为人们创造舒适的居住空间。随着空调器的进一步普及应用，更面临增进舒适性、提高冷暖能效、节能及节省空间等多样化市场需求。另外，从防止破坏臭氧层。保护地球环境的角度考虑，采用FHC致冷剂取代目前通用的HCFC致冷剂势在必行，相应的替代技术开发工作已竞相开 Household air conditioners can create comfortable living space for people. With the further popularization and application of air conditioners, but also for improving comfort, improve energy efficiency, energy saving and space saving and other diversified market demand. In addition, to prevent damage to the ozone layer. Protection of the Earth’s environment point of view, the use of FHC refrigerant to replace the current common HCFC refrigerant is imperative, the corresponding development of alternative technologies have competing open