A Concept for Energy-Efficient High-Rise Buildings in Hanoi and a Calculation Method for Building Energy Efficiency Factor.

In order to quantitatively assess how energy-efficient a building can be with regard to building design, the author would like to propose an energy-efficiency factor in buildings (K hqnl ) and a calculation formula for this factor. The actual thermal building calculations show that 86% of the overall heat transfer in a building comes through windows. Therefore the coefficient K hqnl depends largely on the sun-shading capacity of the windows that can be roughly calculated as energy efficiency factor of the window. The author will also address 6 main architectural characteristics of an energy-efficient building concept in Vietnam. [ABSTRACT FROM AUTHOR]

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