3.3.3 Improvement of Energy Efficiency
According to the assessment on renewable energy from previous year,lack of thermal insulation capacity of the SUB can be one of the biggest factors that decrease the energy efficiency.
The vertical garden simply reduces the surface temperature of the building by limiting the heat flux going through the wall (Bass, 2007). On the other hand, air itself is a goodinsulator, by installing the vertical garden, a gap of air is formed between the garden and the wall.
As describe above, the vertical garden slows down the vertical movement of heat.
Therefore, the heat is trapped during cold weather, and is insulated during hot weather.
Table 1 shows the average energy consumption of a five story building with and without the installation of the vertical garden (Binabid, J., 2010).
3.3.3 Improvement of Energy Efficiency
According to the assessment on renewable energy from previous year,lack of thermal insulation capacity of the SUB can be one of the biggest factors that decrease the energy efficiency.
The vertical garden simply reduces the surface temperature of the building by limiting the heat flux going through the wall (Bass, 2007). On the other hand, air itself is a goodinsulator, by installing the vertical garden, a gap of air is formed between the garden and the wall.
As describe above, the vertical garden slows down the vertical movement of heat.
Therefore, the heat is trapped during cold weather, and is insulated during hot weather.
Table 1 shows the average energy consumption of a five story building with and without the installation of the vertical garden (Binabid, J., 2010).
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