The refrigerator is a mechanical system which helps in safeguarding and nourishment of our food for, future needs. The main work of the refrigerator or fridge is to cool the food products and extract heat from them. The principle which Air-conditioner work is the vapor compression refrigeration cycle, it uses the coolness produced by the cycle in the evaporator to cool the food. It is a Mechanical system used for our comfort. Though we use a refrigerator or fridge regularly in our house it works year-round without stopping its cycle.