The clean energy heating renovation project of Future Star Kindergarten is located in Cangzhou Economic Development Zone, Hebei Province. The heating area is about 1100 square meters. A total of 1 KLKQ-STS/S-60/16 Kcalin STS commercial low-temperature air source heat pump module unit is used in the system. The heating effect is continuous and stable, safe and reliable, clean and environmentally friendly, creating a warm and comfortable learning environment for children, which is highly recognized by the kindergarten staff. The project was completed and officially put into use in October 2020.