With the continuous development of artificial intelligence, Internet of Things, big data, cloud computing, 5G and other new technologies, smart cities have begun to emerge, which requires that the building environment should meet the "people's yearning for a better life" and be ecologically friendly. In the whole life cycle, the "energy-saving green building" that saves resources, reduces pollution and harmoniously coexists with nature has become a new trend of urban development.
Public buildings As the space carrier of economic activities and social services, with the development of economy and society, its use functions are increasingly rich, and the environmental quality is constantly improving, followed by the rapid growth of energy consumption in public buildings. The proportion of public building area in China's urban and rural building area is 20%, while the proportion of energy consumption in the total energy consumption of urban and rural buildings is more than 30%. Public buildings have high energy consumption intensity and rapid growth rate, which is a key area of building energy conservation. Promoting the energy-saving and green transformation of public buildings has become one of the important keys for China to practice the concept of green development, implement the goal of energy conservation and emission reduction, promote the construction of new urbanization, and cope with global climate change.
As the capital and an international super large city, the scale of urban construction is constantly expanding, the industrial structure adjustment is gradually deepening, the tertiary industry is highly developed, the energy demand in the construction field shows a rigid growth, and the resource and environmental constraints are increasingly strengthened. Energy conservation in public buildings has become a key area of work in the process of Beijing's urban scale development and the establishment of the capital's core functions.
In 2017, "key cities for improving energy efficiency of public buildings". In the past three years, Beijing has strengthened the management of energy consumption quota for public buildings, built a public building energy efficiency management service platform, and implemented the public building energy efficiency improvement plan. At the same time, in order to promote urban green development, Beijing has gradually implemented the green transformation of public buildings through strengthening policy guidance, with remarkable results. By the end of 2019, the application area of Beijing's public building energy-saving and green transformation projects had exceeded 12.753 million square meters, of which 10.2397 million square meters had met the implementation conditions and been included in the project reserve. Among the warehousing projects, 40 projects had applied for financial incentive funds, and 9998600 square meters of energy-saving and green transformation projects had actually been completed, with a comprehensive energy-saving rate of 20%,
