Solar Acoustic Ventilation (SAV) Windows

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Introduction

Natural light and thermal conditions in dwellings can be controlled by a fixed solar protection on the façade through a dynamic ventilation system in the windows called Solar Acoustic Ventilation (SAV) system. These windows help to air-condition the dwellings by introducing or expelling hot air, according to the time of the year. In addition, it saves energy, promotes air replacement and prevents humidity-related problems.


Brief Description

SAV system includes two-glass panes 8 cm apart and with a Venetian blind in between, with air flowing through this space. The combined effect of double glazing and internal blind produces an accumulation of heat in the inner space between the panes that is conveniently forced inside or outside the building depending on the season, thus acting as a small sunroom.


The SAV system has the following characteristics:

• Collects solar heat

• Allows night cooling

• Eliminates the cool wall effect

• Allows regulation of natural lighting

• Reduces noise levels

• Allows to be integrated into a central air-conditioning system


References:


The Energy and Resources Institute. Sustainable Building Design Manual: Sustainable building design practices. pp. 258-259

http://www.learn.londonmet.ac.uk/packages/cdres/projects/p14/en/over/over_6.html

http://www.sec.bg/userfiles/file/Municipal%20Bulletins/Municipal_bulletin1_ENG.pdf

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