The Horizon Europe project, Holistic Energy Management and Thermal Waste Integrated System for Energy Optimization (HEATWISE) celebrated its kick-off in Aalborg, Denmark, on March 19-20, 2024. This pioneering €4.5 million initiative, co- funded by the European Union and the Swiss Secretariat for Education, Research, and Innovation (SERI), marks a significant step towards revolutionizing energy efficiency and waste heat recovery in data centers and tertiary buildings across Europe.