The entire house is panelized to allow it to be flat packed and assembled around 7 square “ribs”. Because of the standardization of the system it can be configured in many different ways. Keeping cool is the name of the game in Madrid, so the Team installed a large 12 kWh solar array on top to shade the home and wrapped the entire building in louvers. The solar array on the house’s walls is a fascinating development — they are actually cylinders that can absorb light from all directions, including reflected light from the home’s windows. Doubling as a window covering, the tubular solar panels are an ingenious way of combining a strong architectural detail with renewable technologies.