At present, the heating industry is in the stage of system reform, equipment renewal and technological progress. The marketization process of municipal public industry has accelerated. Foreign capital, private and other economic components have entered the heating market, and the competition in the heating market is becoming increasingly fierce. However, at present, coal is still the main energy used for central heating in China. Only a few cities such as Beijing, Shanghai and Urumqi use natural gas and other energy to replace coal as heating fuel. China has a large population, high population density and large heat consumption area. Central heating is more suitable for residents in large cities in northern China. With the promotion of the policy of energy conservation and emission reduction and elimination of backward production capacity throughout the country, local governments at all levels have accelerated the pace of dismantling boilers with high energy consumption, high pollution and low thermal efficiency in recent years.