For the Oettinger brewery, one ago congelo® absorption chiller each was installed at the Mönchengladbach and Oettingen sites to cool a refrigerant circuit. In both projects, the heating water of a combined heat and power plant is available as waste heat. *Technical data Mönchengladbach:* * Cooling capacity: summer 715 kW, winter 800 kW * Refrigerant temperature: - 4° to - 7°C *Technical data: Oettingen:* * Cooling capacity: summer 715 kW, winter 840 kW * Refrigerant temperature: - 3 to - 7°C