What Is The Chemsonic System? The Chemsonic System consists of two proprietary products: The Chemsonic Catalyst® and SonicWave Clean. The Chemsonic Catalyst® is a synthetic catalyst solution which is added to your cooling system’s refrigerant to remove oil fouling. The SonicWave Clean installed on the refrigerant filter / drier reduces the oil sludge buildup on the filter screens which lowers the resistance to the flow of the refrigerant in the system. The Chemsonic System uses less energy,