Commerzbank Headquarters

Conducting post-occupancy analysis and monitoring the performance of past projects – using this learning process to inform future designs.

Commerzbank Headquarters
Germany
1991 - 1997

Commerzbank is the world’s first ecological tower. Every office is day-lit and the building was designed to be naturally ventilated for 80 percent of the year with the help of sky gardens. Post occupancy studies show that the period of natural ventilation has been extended to 85% of the year due the preference of the building users. Heating demand decreased by over 40% between 1998 and 2008 and the total electricity used also decreased during this period.