innovative overall concept

The systems of Erich Keller AG operate at temperatures very close to room temperature. The system temperature for cooling is 20 °C, that for heating 26 °C. All system components are precisely matched to each other to achieve the best possible efficiency. This allows highly efficient, condensation-free refrigeration in free cooling and energy-saving heat preparation, e.g. with heat pumps that have very low strokes. Waste heat from server and equipment rooms can also be used directly as heating energy.

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