In the luxury hotel Elivi Hotels in Skiathos, three geothermal four-tubes and 4 air-cooled AERMEC heat pumps with a total installed power of 850kW have been installed. The low-noise NXP series geothermal heat pumps are suitable for simultaneous production of cold and hot water, and the ANL series air coolers have copper-aluminum elements with a suitable epoxy coating. The pumps supply FCZ-PO & VED series concealed fan coil local air conditioning units as well as FCL series 4-way cassettes.