A huge portion of our energy use comes from buildings and transport, which according to my figures from 2008, take up some 60%-70% of energy use.
Buildings is one huge energy expense. Most of the energy goes towards heating or cooling the building interior to a comfortable level. Of course well insulated buildings and buildings with features to prevent the incoming sunlight from heating up the interior are all good features to have.
In my earlier days researching this topic, I thought that all glass and steel buildings were energy hogs, since glass a a famous green-house building material. Many vegetable and horticultural gardens use this concept.
When one applies this concept to the many commercial shopping centers and buildings in Singapore, one is appalled at the huge energy expense used to air-condition them.
Fortunately is possible to have a steel-and-glass building, airconditioning and be green. The Zero-Energy building in Singapore is one such case.
There is another building though that I am concerned about and it is the main National Library.
In my digging around, I managed to find this website which describes the architecture and design of this building. From this site, we learn that -
The building, designed by T.R. Hamzah and Yeang, has a host of environmentally friendly features. Oriented away from the East-West direction, it keeps cool with sunshades, external louvres and a roof canopy.
Natural ventilation zones such as garden terraces and the ground-floor open-air plaza invite the breeze in.
Inside the building, the energy-saving features are impressive: Escalators are activated by motion sensors, and blinds on West-facing windows come down automatically in the afternoons to shield against the setting sun.
For all its green features, the National Library Building was conferred the platinum Green Mark Award in 2005. This is the highest badge of honour for environmentally-friendly buildings from Singapore’s Building and Construction Authority.
Here is another site on the energy saving features of the building.
There was also a book published which details the green-energy saving features of the National Library. The 205 page book title is “Redefining the library : the National Library of Singapore”, the publisher is GK Consultancy in 2008. You can find it in the Library itself, detailing all the energy saving features of the building.
Whatever it is, I feel assured that the National Library Building is amongst one of the energy-saving buildings in Singapore worth saving.