An infrared thermography passive approach to assess the effect of leakage points in buildings

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Energy and Buildings, ISSN: 0378-7788, Vol: 140, Page: 224-235

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Eva Barreira; Ricardo M.S.F. Almeida; Mariana Moreira
Elsevier BV
article description
Energy consumption is one of the major concerns of European citizens and governments. In the EU, buildings use 40% of total energy consumption and generate 36% of greenhouse gases. Therefore, buildings energy efficiency must be optimized, which requires, among others, minimizing infiltrations through the envelope. The measurement of the air leakages through a building envelope is usually carried out by means of the fan pressurization method (Blower Door Test). Although useful for assessing the airtightness of buildings no information is obtained regarding the air leakage pathways. For that, other techniques such as infrared thermography (IRT) can be used.