The 2 key green features are:

• Low-e glass - unlike normal clear glass, it has a special low emissivity coating. This increases the energy efficiency of windows by reducing the transfer of solar radiation through glass.
  
• Shading devices - with strategically placed shading devices, there is a significant reduction of solar heat gain and improvement of the quality of natural lighting within ZEB.

• Cells made from silicon wafer
  
  
• Types: monocrystalline silicon, polycrystalline silicon
  
  
• High efficiency and requiring less surface area to generate electricity but more expensive to manufacture
  
  
• Suitable for rooftops and integration into building façade and skylight

2G

• Thin-film deposits of semiconductors
  
  
• Types: amorphous silicon, copper indium selenide/sulphide
  
  
• Flexible, lightweight, less silicon intensive and aesthetically pleasing
  
  
• Suitable for rooftops and integration into building façade and skylight

3G

• Departure from 1G and 2G which are silicon-based technologies, promising new approach currently under commercial development
  
  
• Flexible, lightweight and aesthetically very pleasing
  
  
• Types: Dye-sensitised solar cells, polymer solar cells, photo electrochemical cells, nanocrystal cells
  
  
• Suitable for integration into building façade and skylight

Improved Natural Ventilation for Greater Comfort
Using heat generated by the solar photovoltaic to promote stack effect, there will be better air circulation in the classrooms.

Improved Green Environment for Greater Calm
With rooftop and vertical greenery, there will be a marked reduction of the inside wall temperature and heat gain through walls.

Improved Lighting for Greater Productivity
Students will enjoy enhanced daylight created by the light shelves. Daylight can enter deep into the classrooms, reducing as much as 20% of energy consumption.

Open Layout for Greater Efficiency
Through the open layout concept, there is more flexibility for different types of teaching format, thus maximising the use of limited space.