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GB 50189-2015 第4.2.1条 Design standard for energy efficiency of public buildings

Renewable energy utilization暖通空调

GB 50189-2015 第4.2.1条

| **** | **Solar water heating system requirements**: Hotel buildings (public buildings with stable hot water demand) shall be equipped with solar water heating systems. The solar fraction (the proportion of hot water supplied by solar energy to total hot water demand) shall not be less than **40%**. |

Other clauses of this standard

GB 50189-2015 第1.0.1条Design standard for energy efficiency of public buildings
GB 50189-2015 第1.0.2条Design Standard for Energy Efficiency of Public Buildings
GB 50189-2015 第1.0.3条Design standard for energy efficiency of public buildings
GB 50189-2015 第1.0.4条Design Standard for Energy Efficiency of Public Buildings
GB 50189-2015 第1.0.5条Design standard for energy efficiency of public buildings
GB 50189-2015 第1.0.6条Design Standard for Energy Efficiency of Public Buildings
GB 50189-2015 第2.0.1条Design Standard for Energy Efficiency of Public Buildings
GB 50189-2015 第2.0.2条Design standard for energy efficiency of public buildings
GB 50189-2015 第2.0.3条Design standard for energy efficiency of public buildings
GB 50189-2015 第2.0.4条Design standard for energy efficiency of public buildings
GB 50189-2015 第2.0.5条Design standard for energy efficiency of public buildings
GB 50189-2015 第2.0.6条Design Standard for Energy Efficiency of Public Buildings

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