The clean energy heating renovation project of Yinghua Bilingual School is located in Wei County, Zhangjiakou City, Hebei Province. The school has two student dormitories (two floors) of about 3500 square meters, classroom bungalows of about 12000 square meters, and a total heating area of 15500 square meters. A total of 9 KLKQ-STS/GS-90/24 (high temperature type 30 hp) Kcalin STS commercial low temperature air source heat pump module units are used in the system, and the heat dissipation terminal equipment is radiator, providing comfortable and clean winter heating for school teachers and students. The project will be completed and put into use at the end of October 2020.