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Positive input ventilation in dwellings

Positive input ventilation in dwellings

by R K Stephen (01-Apr-2000)


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Book Description

Positive input ventilation is the usual name for systems in which 'fresh' air is supplied to a dwelling from the roof space by means of a fan. It was originally developed in the 1970s to deal with condensation in dwellings without adversely affecting the operation of open-flued combustion appliances. While there is considerable anecdotal evidence that the installation of these units can improve indoor humidity conditions, measurements of performance have been few. This paper gives a summary of the results from performance measurements made in a BRE test house and in 15 occupied dwellings. It will be of particular interest to dwelling designers, landlords and domestic property managers. 8 pages.
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