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The Thermal Test and Analysis of Envelope in Existing Buildings
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This paper deals with the project to improve existing building energy efficiency. Building energy efficiency is an international topic that includes many aspects. There are more than 43 billion square meters of existing buildings in China, so how to improve the health and comfort and minimize the energy consumption costs of existing buildings is quite important. Improving existing buildings can be divided into two parts, envelope and heating system. Much research has been done on building conservation during the past 30 years in China. The structure of envelopes is improved, and many new energy efficiency materials are used in buildings while some other foreign researchers have developed several kinds of software for the analysis of building energy conservation. In this paper, we report on the results of heat transfer loss tests in existing buildings in Daqing, including the walls, doors, windows and the floors. The areas with most heat loss areas are pointed out, and the objective of reducing the heat cost is discussed. The design for improving the structure of existing buildings for reduced energy consumption costs was provided. The energy consumption cost in existing buildings can be reduced by up to 30% through these improvements.
Liu, X.; Li, X.; Sun, J.; Wang, Z. (2006). The Thermal Test and Analysis of Envelope in Existing Buildings. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from