How cold is it in winter in Huainan City, Anhui Province? Is there heating?

Huainan is on the 0℃ isotherm of China, so the temperature difference in winter is not big, which is much warmer than that in the north, but colder than that in the south. According to the geography book, the average temperature in Huainan in winter is between 0~ 12℃. According to the data of meteorological network, the average winter temperature in Huainan in recent three years has increased by 3℃ compared with 10 years ago. At present, the city has officially opened winter heating equipment, only a Huaihua living area in Tianjiaan District. Huaihua living area relies on energy produced by Huaihua Group for self-sufficiency and self-use, and uses water heating to heat the whole community in winter. Although new residential areas in other places also have heating equipment, they are all used.