Beijing implements 80% energy saving standard! A large number of doors and windows are about to be eliminated!

Release time:

2020-07-17

In order to improve the energy-saving quality of residential buildings, the "Energy-saving Design Standards for Residential Buildings" was officially announced on the website of the Beijing Municipal Market Supervision Bureau, and the energy-saving rate of residential buildings increased from 75% to more than 80%.

Beijing implements 80% energy saving standard! A large number of doors and windows are about to be eliminated!
Beijing implements 80% energy saving standard! A large number of doors and windows are about to be eliminated!

In order to improve the energy-saving quality of residential buildings, the "Energy-saving Design Standards for Residential Buildings" was officially announced on the website of the Beijing Municipal Market Supervision Bureau, and the energy-saving rate of residential buildings increased from 75% to more than 80%.

Compared with the old standard, the newly released standard has the following main changes:
1, improving the building energy saving target;
2, improving the thermal performance of the building envelope and greatly improving the heat transfer coefficient standard of the outer window;
3. The requirement of double control of prescriptive index and performance index is put forward;
4. The performance-based calculation methods of building heating energy consumption index and central air conditioning system energy efficiency level index are given, and the current value and guiding value of the limit value are given respectively, which unifies the core of energy consumption calculation software;
5. The terms and limits of appearance coefficient are added; 6. The energy-saving design requirements for heating, ventilation and air conditioning systems are strengthened, and increased the central air conditioning system air conditioning season comprehensive performance coefficient limit requirements;
7, modified the solar domestic hot water setting determination conditions; 8. Added the provisions of setting solar photovoltaic power generation.

Highlight: The K value of the outer window is increased to 1.1w/㎡ · K

The following is the main content related to doors and windows:

Since the requirements are so high, what can meet the requirements? Don't worry, the standards have been listed:

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