What is an air source heat pump?

Air source heat pump is an energy efficient device that utilizes high level energy to make heat flow from a low level heat source air to a high level heat source. It is a form of heat pump. As the name suggests, a heat pump is also like a pump that can convert low-level heat energy that cannot be directly utilized (such as the heat contained in air, soil, and water) into high-level heat energy that can be utilized, thus achieving the goal of saving some of the high-level energy (such as coal, gas, oil, and electricity).