2 空调工程冷量输配系统设计能效比（ System Energy Efficiency Ratio, SEER） 空调工程的设计总冷负荷与冷量输配系统设计耗功率的比值。
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The testing results show that the system is effective in controlling refrigerant constituents and capacity and enables a significant increase in the seasonal energy efficiency ratio.
证明所建立的混合工质变浓度试验装置及所选择的工质可以基本满足预定的容量调节要求，并可明显提高装置的季节能效比。
Anslyzing energy efficiency of system and comparing conventional energy simply, The author put forward efficiency-cost ratio of project and pre-evaluation of payback time.
对系统能效分析及与常规能源简单对比，提出项目费效比与回收年限预评估。
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