Embodiments of the invention provide a food grade cleaning oil, such as one of synthetic or mineral oil origin, which can be used for the cleaning, flushing, and lubrication of compressors and vacuum pumps. The cleaner composition can include alkylated aromatics, such as naphthalenes. The cleaner composition can be compounded with additives including one or more of antioxidants, corrosion inhibitors, antiwear additives, metal passivators, and anti foam agents that are cleared for incidental food contact.