Reference Entry

airtightness ((building))

Nick Jelley

in A Dictionary of Energy Science


Published online January 2017 | e-ISBN: 9780191826276

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Airtightness is measured by the number of air changes per hour (ach) that occur when there is a differential pressure of 50 pascals between outside and inside the house. If an air volume equal to the inside volume of the house flows across the ...

Reference Entry.  56 words. 

Subjects: Alternative and Renewable Energy Sources and Technology ; Fossil Fuel Technologies ; Energy Economics

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