Refra Ice banks are an insulated tank with built-in stainless steel coils and air agitation system. The operating technology of these units is based on accumulating cooling capacity using ice and icy water at night time and utilizing this capacity when needed. Proper insulation ensures extremely long ice retention and prevents melting. Refra produces high quality ice banks tailored to customer needs. They can be adapted to direct expansion, liquid or flooded water systems and can be equipped with falling film technology.