The Ministry of housing and urban rural developmen

This year, the Ministry of construction will focus on the key work of building energy conservation and water projects, and comprehensively promote the work of energy conservation and emission reduction in the construction field with the support of science and technology

this year, the Ministry of construction will focus on the key work of building energy conservation and water projects, and comprehensively promote the work of energy conservation and emission reduction in the construction field with the support of science and technology. This is revealed in the 2009 work points released by the Department of building energy conservation and technology of the Ministry of housing and urban rural development on March 5

this year, the Ministry of construction will improve the standard system of policies and regulations on building energy efficiency and formulate the special plan for building energy efficiency. Implement the regulations on energy efficiency of civil buildings, and study and encourage the development of economic incentive policies for the application of energy-saving, land-saving and environment-friendly buildings, low-energy buildings, green buildings and renewable energy buildings

at the same time, continue to pay attention to the energy conservation of new buildings. We will continue to strengthen the supervision of the implementation of energy-saving standards in new buildings, and strive to achieve more than 90% of the implementation of mandatory energy-saving standards in the construction phase of new buildings by the end of 2009. We will continue to promote the development of low-energy buildings and green buildings

accelerate the heating metering and energy-saving transformation of existing residential buildings in northern heating areas, urge and guide local governments and relevant departments to raise funds from multiple channels to implement the heating metering and energy-saving transformation of existing residential buildings, and strive to complete the transformation area of 60million square meters in 2009. At the same time, we will carry out the construction of energy-saving supervision system for office buildings of state organs and large public buildings throughout the country

continue to expand the scale of renewable energy building application demonstration, focusing on the city level demonstration of solar water heating system, solar photovoltaic roof and curtain wall, the application of fresh water source and sea water source heat pump in the Yangtze River Basin and coastal areas, and actively guide the development of renewable energy building application to a higher level. We will study the use of renewable and new energy sources such as solar energy, biogas and straw to solve the problem of rural energy consumption, launch a number of demonstration projects to apply affordable technologies, and guide the rational growth of rural building energy consumption

at present, the resource problems faced by China's architectural development are becoming increasingly prominent. China's construction industry is still an industry with high energy consumption, high material consumption and high pollution. Compared with foreign countries, building energy consumption in China is much higher. At present, more than 99% of the 2billion square meters of new houses built every year in China are high-energy buildings; Only 4% of the existing 43billion square meters of buildings have taken measures to improve energy efficiency, and the heating energy consumption per unit building area is more than three times that of new buildings in developed countries. According to estimates, if no effective measures are taken, China's building energy consumption will be more than three times that of now by 2020

wangyuqing, director of the national real estate design alliance, said that taking the saving of electric energy in large public buildings as an example, based on the experience of energy-saving transformation of some large public buildings, through strengthening operation management, put an end to “ Running, dripping and leaking ” It can save energy by 5-10%; By improving the operation efficiency of transmission and distribution equipment such as pumps and fans and applying frequency conversion speed regulation technology, energy saving of 10% - 20% can be achieved; By improving the operation mode of equipment in the transitional season, avoiding uneven cold and heat, and adding automatic control system, it can also save energy by 10% - 20%. The comprehensive energy-saving potential of large public buildings is 30% - 50%

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