From the view of engineering economies, this paper get objective function of equipment selection for ice-storage system, and get the optimal equipment selection, in which introduce into uniform annuity and correction coefficient of designing date load.

• 摘要从工程经济学角度，引进等额年金，设计日负荷修正系数，得出冰蓄冷空调系统设备选择的目标函数，对各参数进行赋值，求得最佳的系统设备选择，并用一个工程实例验证，结果表明此数学模型是有效的。