Abstract: In this paper study on refrigeration system designed for low temperature which has Zero-Ozone depleting point better heat transfer characteristic gives greater refrigerant effect. In this paper we study the main function part like compressor, evaporator, refrigerant, fan and motor, Technical Details of the components. Energy is the primary and most universal measure of all kind of work by human Being and nature. Everything what happen in the world in the expression of flow of energy is one of its form. Most people use the world energy for input to their bodies or to the machines and thus about fuels and power. Energy is an important input in all sectors of counters economy.