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Energy and Environment, 1995

ISBN:
1-56700-052-5 (Print)

ENERGY USE IN LARGE AIR-CONDITIONED BUILDINGS IN HONGKONG

John Burnett
Department of Building Services Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China

Shengwei Wang
Department of Building Services Engineering, The Hong Kong Polytechnic University, Hong Kong

ShiMing Simon Deng
The Hong Kong Polytechnic University, Hong Kong

Abstract

Energy consumed by commercial buildings in Hong Kong accounts for more than 50% of electricity use, with substantial peak demand penalties. With energy costs low, there are few fiscal incentives to save energy. Nonetheless, some action is being taken to respond to government policy to reduce energy use. Included in this are controls on overall thermal transmittance value (OTTV) and various energy award incentives. This paper reports on energy use in a variety of air conditioned buildings in Hong Kong, in the public and private sector. Several energy audits have been undertaken, and detailed measurements of energy use are being made. In addition, audits of internal environment have been carried out on many offices in a variety of buildings to gauge the extent to which the design intent has been satisfied, and the level of occupants satisfaction.