Belgrade, Hilton Hotel, in the city center with drilling depth restrictions (1 MW / 284.3 RT)
It is the first commercial-scale project in Belgrade that will operate efficiently and effectively entirely without fossil fuels. To fulfill the heating (1 MW / 284.3 RT) and cooling (750 kW / 213.3 RT) requirements of this large complex, 70 boreholes were drilled and 7,200 meters / 23,622 feet of geoKOAX probes were installed. The hotel will cover an area of roughly 17,500 square meters and with over 250 suites and rooms, two restaurants, and an inner courtyard that is partially located underground.