The building's bioclimatic, energy-efficient design features a 377 feet tall solar chimney, a geo-thermal HVAC system using 280 five-inch tubes bored 380 feet into an underground aquifer, 100% fresh air (24 hours a day, year round, regardless of outside temperature) and a one-meter-wide double exterior wall with computer-controlled motorized vents that adjust the building's exterior skin throughout the day and evening.