Economic production of ice and cold water for batching plants. Limitation of the fresh concrete temperature is a significant prerequisite for a high quality of the concrete. For batching plants with a medium to high concrete output per hour, the use of ice and/or cold water to control the temperature is particularly economical. Even more efficiency is provided by the cooling systems from Stetter: due to the unique technology for production of ice and cold water, its energy requirement is exceptionally low and the maintenance effort is minimal.