Principle of Air Source Heat Pump

Air source heat pumps are an efficient and energy-saving HVAC equipment that utilizes the heat in the air to provide heating or cooling for buildings. The working principle of air source heat pumps is based on the thermodynamic principle, where the transfer of heat occurs from high temperature to low temperature.

The air source heat pump system consists of four main parts: the evaporator, compressor, condenser, and expansion valve. In heating mode, the compressor in the system sucks in low temperature and low-pressure refrigerant (such as R410A), which is then compressed to become high-temperature and high-pressure gas and enters the condenser. In the condenser, the refrigerant releases the absorbed heat, absorbing the heat from the indoor environment, while the refrigerant becomes liquid. Then, the refrigerant, under the effect of the expansion valve, reduces in pressure and temperature, and returns to the evaporator to start the next cycle.

In cooling mode, the working principle of the system is similar to heating mode, except that the roles of the condenser and evaporator are reversed. The refrigerant absorbs heat from the indoor environment and releases it to the outdoor environment to achieve the desired cooling effect.

Compared to traditional HVAC equipment, air source heat pumps have higher energy efficiency and lower energy consumption, significantly reducing the user’s energy costs. Moreover, air source heat pumps can work efficiently in a wide range of temperatures, making them suitable for various climatic conditions.

Another advantage of air source heat pumps is their eco-friendliness. Air source heat pumps do not emit any pollutants or greenhouse gases, making them a clean and sustainable heating and cooling solution.

In conclusion, air source heat pumps are a highly efficient and eco-friendly HVAC equipment that utilizes the heat in the air to provide heating or cooling for buildings. By using air source heat pumps, users can significantly reduce their energy costs while enjoying a comfortable indoor environment.