Towards net zero energy design for low-rise residential buildings in subtropical Hong Kong

K.F. Fong and C.K. Lee

Applied Energy, 2012, vol. 93, issue C, 686-694

Abstract: Hong Kong is a typical metropolis in the subtropical South China, where high-rise buildings are all around the city. This generally implies that the density of energy demand is extremely high, even the renewable energy facilities are involved, they can just play as a minor energy provider at the current technology level. It seems only the low energy design for buildings can be made possible, not the zero energy. Nevertheless, one group of the feasible places for implementing the net zero energy (NZE) design is the low-rise residential buildings in Hong Kong. Typically they are three-storey village houses, in which the renewable energy provisions can be installed in the available space, like the flat roof and the external walls. However, the question is still there – can the NZE target be achieved in this type of building even all the possible space is used up for the renewable energy facilities? As such, a dynamic simulation study was carried out to evaluate the year-round energy performances and the related factors. The answer opens a way to both the new and retrofit projects, which would enhance the low carbon roadmap in the subtropical Hong Kong.

Keywords: Net zero energy building; Residential building; Renewable energy; Dynamic simulation (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (35)

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DOI: 10.1016/j.apenergy.2012.01.006

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