Their strategy was to express their commitment to a more sustainable office operation and to develop a building that would reflect its brand values
(Green, Progressive, Innovation and performance-driven). The project objectives included the reduction of energy consumption, optimising natural light and passive heat, and conserving water.
The yearly energy consumption goal was set at 115kWh/m2 - 40% less than similar buildings. The building management system, upholding the micro-climate, monitor energy use and savings.
The building used photovoltaic array of68kW, which is used for solar water heaters and this provide 10% of the building’s energy requirements.
The building facades were carefully designed to get the most out of the thermal mass and exterior sun devices, this forms part of the building facade and ensures that natural daylight penetrates the building at the right angle. The insulation of the building, includes double glazing, unusual for African climates, but this enhances the passive-energy design. Passive and natural ventilation was incorporated as part of the air-conditioning system
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