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Shower Fan
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 548027" data-attributes="member: 250"><p>Whatever you do choose to fit, (12v or 230v), check carefully the volume of air they can actually extract..</p><p></p><p>As a significant quantity of wall / ceiling fans are only designed to work with short duct lengths and also have lower extraction rates.. </p><p>(so they struggle with shifting high volumes of moist air through long ducts!)</p><p></p><p>If you duct is more than a couple of feet long (600mm), I would be looking to use an inline fan with a higher volume extraction rate... and just a ceiling vent grill over the existing hole.</p><p>e.g. many in-line fans can move double or more the volume of air than a standard wall/ceiling fan. </p><p></p><p>You want to be looking for Centrifugal fans NOT Axial fans.</p><p></p><p>Also make sure you room has sufficient gaps to allow the same volume of clean dry air in, to replace the air you are trying to extract. e.g. No snug fitted carpets sealing the bottom of the door!</p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 548027, member: 250"] Whatever you do choose to fit, (12v or 230v), check carefully the volume of air they can actually extract.. As a significant quantity of wall / ceiling fans are only designed to work with short duct lengths and also have lower extraction rates.. (so they struggle with shifting high volumes of moist air through long ducts!) If you duct is more than a couple of feet long (600mm), I would be looking to use an inline fan with a higher volume extraction rate... and just a ceiling vent grill over the existing hole. e.g. many in-line fans can move double or more the volume of air than a standard wall/ceiling fan. You want to be looking for Centrifugal fans NOT Axial fans. Also make sure you room has sufficient gaps to allow the same volume of clean dry air in, to replace the air you are trying to extract. e.g. No snug fitted carpets sealing the bottom of the door! [/QUOTE]
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