What happens to refrigerant as it passes through the evaporator coil?

As refrigerant passes through the evaporator coil, it absorbs heat from the surrounding area, which causes it to evaporate. Specifically, the refrigerant enters the evaporator as a low-pressure liquid. As it flows through the coil, it vaporizes due to the heat it absorbs, turning into a low-pressure vapor. This process is fundamental to the refrigeration cycle, as it allows the refrigerant to remove heat from the environment, thus creating a cooling effect. The transformation from a low-pressure liquid to a low-pressure vapor is critical for the efficiency of the cooling system, as it maximizes the heat absorption in the evaporator.