enercret absorber piles to reduce CO2 emissions - Completion: 2003 - Building height: 151 m - Number of floors: 40 - Client: DEKA Immobilien, Frankfurt - D ABG Allgemeine Bauträger- und Gewerbeimmobiliengesellschaft mbH & Co, Köln - D - Architect: J.S.K. Architekten, Frankfurt - D - Building services consultant: P. Berchtold Ingenieurbüro für Energie- und Haustechnik, Sarnen - CH enercret installation: The foundation piles of up to 35 m in length with a diameter of 90 cm to 150 cm were fitted with the Nägele energy system enercret, which involved installing approx. 30 km of HDPE piping DN 25/2.3mm. The energy extracted from the ground covers part of the heating and cooling requirements of the high-rise building and cuts annual CO2 emissions by 90 tonnes. - Heating capacity: 300 kW - Cooling capacity: 140 kW - Heating output/month: max. 100 MWh - Cooling output/month: max. 75 MWh Project sheet download: To download the PDF file, please click here .* ) * ) To view PDF files you will need the Adobe Acrobat Reader. If you do not have this software, you can download the Acrobat Reader here free of charge.