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GB 50189-2015 第4.3.2条 Design Standard for Energy Efficiency of Public Buildings

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GB 50189-2015 第4.3.2条

| **** | **Air-source heat pump system requirements**: When a hotel building cannot use a ground-source heat pump system, an air-source heat pump system may be adopted. Under winter design conditions, the unit's heating COP shall not be lower than **2.0** (applicable to hot summer and cold winter zones) or **1.8** (applicable to cold zones). |

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