The volumetric cut on the Southern face has multiple purpose: avoids placing the windows directly against the next door building; provides Eastern natural light for the rooms located in the back of the building; provides Western light for the first and second floors; create an additional living terrace over the first floor..
The staircase and the elevator are places in a central location with glass walls and glass railing and they form a natural ventilation tower by allowing air flow from the lower floors to the top terrace.
The passive architecture elements are directly connected with the site plan, which was meant to follow the cardinal point (sunny element,) by the neighboring areas, the view towards Herastrau Park. We paid special attention to the following elements: providing some share for the sun exposed areas; the use of ivy on stainless steel net, which has high level of solar protection; thermal protection -16cm rock wool exterior insulation; natural light and ventilation.
The following active systems have been integrated: heat pump (with gas boiler backup,) floor baseboard radiation heating, wall and ceiling radiation heating and cooling, fresh air ventilation with heat exchanger, solar panels, spa area dehumidifier, electric generator (especially for the heat pump but also for lighting,) highly efficient LED solutions, B.M.S. (Building Management System) central control for the entire system.