Below is a list of Chillers Cooling Towers manufacturers from St. Louis, Missouri. Chillers cooling towers are supplementary means of eliminating waste heat that is a byproduct of many processes that require the use of air and liquid chiller systems. Chillers are refrigeration systems that cycle constant streams of coolants in order to provide controlled cooling of products, mechanisms and factory machinery. Cooling towers are heat rejection devices that, through a variety of methods, remove heat from fluid.