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GB 50189-2015 第4.2.19条 Design standard for energy efficiency of public buildings

Heating, ventilation and air conditioning暖通空调

GB 50189-2015 第4.2.19条

| **** | In hotel buildings, when the air-conditioning system adopts a ground-source heat pump system, its energy efficiency ratio (EER) shall not be lower than 5.0 (cooling condition), and its coefficient of performance (COP) shall not be lower than 4.5 (heating condition). |

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