What does a coolant do to thermal energy inside a refrigerator?

A coolant in a refrigerator absorbs thermal energy from the interior, lowering the temperature inside. As the coolant evaporates, it transforms from a liquid to a gas, effectively removing heat from the refrigerator's interior. The gaseous coolant then passes through the compressor, where it is pressurized and condensed back into a liquid, releasing the absorbed heat outside the refrigerator. This continuous cycle maintains a cool environment for food and beverages.