In this video a brief description of how to make a silent air compressor easily at your work shop. This air compressor is full automatic start and stop which means it start filling air at 0 to 60 psi and stop the compressor at 90 psi. It also have safety feature like safety valve. This air compressor has 25 liter tank. The compressor used in this project is 1/3 refrigerator compressor.