![]() Also, central heating requires substantial investments in pipeline networks and has different requirements for building architecture. Hence, it is difficult for the southern region to provide central heating by using either coal or low-carbon energy. People in the southern region, on the other hand, normally depend on air conditioners and electric heaters to keep their homes warm during winter. But for some years now, the central government has been prompting northern China to replace coal-powered heating with gasor electricity-powered heating in households to improve environmental conditions while at the same time reducing carbon dioxide emissions, which is essential for the country to achieve its low-carbon transition while greatly reducing air pollution. So the authorities later developed the coal-fired central heating system to improve heating efficiency and to reduce energy loss. ![]() ![]() In the past, people in northern China, especially in rural areas, used to burn coal to keep their homes warm in winter. The difference in the heating systems on the two sides of the Huaihe River is due to the vast difference in the lowest temperatures during winter, and the architectures and the energy structures in northern and southern China. Given the different climate conditions and building structures in the northern and southern regions, providing central heating in South China has always been a controversial issue. Although few governments in the southern provinces have any plans to provide central heating, calls for central heating in South China have increased recently, especially due to the improvement in people's living standards. The debate on whether central heating should be available in southern China, or south of the Qinling Mountains-Huaihe River has intensified because of extreme whether events, including severe cold waves, are occurring more frequently. Since people living south of the river do not enjoy central heating, they rely on air conditioners and electric heaters to keep themselves warm during winter. During winter, China provides central heating north of the Qinling Mountains and Huaihe River, that is, between 32 and 34 degrees north of the Equator.
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