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Croatian Telecom has completed the White Space Cooling Optimization (WSCO) project at its Zagreb data center, in collaboration with Siemens. The AI-based system utilizes thermistors to monitor temperature changes, automatically regulating fan airflow and identifying issues.

The implementation has improved cooling efficiency, eliminated hot air pockets, and reduced cooling unit operating hours. Expected energy savings are in the six-figure euro range, enhancing preventive maintenance through machine learning. The data center, operational since 2014, has a total of 900 sqm planned for expansion.