Air Conditioning Repair Certification (ETI) Practice Exam

The correct response is that both sensible and latent heat are removed from the refrigerant in the condenser. When refrigerant passes through the condenser, it undergoes a phase change from a gas to a liquid. During this process, both types of heat are involved. Sensible heat refers to the heat energy that causes a change in temperature of the refrigerant without a change in its phase. As the refrigerant releases heat to the surrounding environment, it cools down and transitions from a gas to a liquid. Latent heat, on the other hand, is the heat energy that is absorbed or released when a substance changes its state without changing its temperature. In the case of the condenser, the refrigerant releases latent heat when it condenses from a vapor to a liquid, essentially letting go of the heat energy stored in the vapor phase. By efficiently removing both sensible and latent heat, the condenser facilitates the refrigerant's transition into the liquid phase, ensuring effective heat exchange and system performance.