The noiseless compressor units with vertical tank is specifically engineered to solve noisy operation in work areas. Its ability to create a noiseless operation is because of it being enclosed inside a sound-proof cabinet fabricated from specialized panels that absorb sound. Through a duct that is found in between the panels, compression and cooling air flows freely. This self-contained compression unit consists of a piston compressor complete with head and cylinders made entirely out of iron. An electric motor, a small tank and other regulation switches installed within comply with the international safety standard. Its compact design allows it to be mounted vertically therefore occupying a limited amount of space.