With the development of the economy, the acceleration of urbanization and the improvement of people's living standards, the urban construction area of many areas has increased sharply, and the increase of building area has also led to the rapid growth of energy required for heating and cooling.Therefore, building energy efficiency will be the focus of the entire society.
In addition, traditional building heating is mainly provided by coal and oil, which not only causes huge waste of energy, but also brings great pressure on environmental protection.