What is the purpose of an air conditioner’s evaporator coil?

The purpose of an air conditioner's evaporator coil is to absorb heat from the indoor air, which facilitates the cooling process. When warm air from the room flows over the evaporator coil, the refrigerant inside the coil, which is at a low pressure and low temperature, absorbs this heat. As the refrigerant absorbs heat, it evaporates into a gas, effectively cooling the air that is blown back into the living space. This heat absorption is essential for the cooling cycle and helps maintain a comfortable indoor environment.

The other functions listed, such as releasing heat, circulating refrigerant, or filtering air, relate to different components or stages of the cooling process but do not describe the primary function of the evaporator coil itself. The evaporator coil is specifically designed for heat absorption, making it a crucial part of the overall air conditioning system.