Croll-Reynolds' Chill-Vactor is a vacuum flash-cooling system with applications in water chilling and food processing, among others. Designed to provide a long service life, the system can be retrofit with automatic controllers to enhance efficiency by reducing energy used during off-peak demand periods. Features include the ability to deaerate liquids as they are chilled and to eliminate hazardous and corrosive refrigerants. They do not require operating supervision and are designed to be maintenance free.