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sparky323
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#1
28th January 2012
Old 28th January 2012
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Air conditioning

Anyone have previous experience reducing air flow noise from an air duct? Because of moving walls I cannot hang baffles or anything under the 4 standard grated rectangular vents. I was thinking of trying to get some type of flexible material up into the duct and laying it flat to slow down the air. Thoughts?
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28th January 2012
Old 28th January 2012
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Sparky,

So you have a vent making too much noise when air is flowing into the room. Yes? I don't understand what you mean by the "4 vents". Do you mean you have one grid (register) with 4 directionals?

Regardless, I would just remove it altogether before doing anything else. See if this solves it
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sparky323
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28th January 2012
Old 28th January 2012
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Not exactly.. What we're hearing is the the air flow down the duct itself due to the amount of air flow. The fans have already been turned down to 65%, and can't be turned down anymore without affecting the cooling to the rest of the vehicle. I should also clarify that this is a mobile truck. The air conditioners mounted on the front blow cool air down a wide open air duct in the ceiling that is the width and length of the truck. At the back of the vehicle where audio is located are 4 ceiling mount grates to spill air into the room.
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28th January 2012
Old 28th January 2012
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Sorry, I can't picture this at all. Four vents?, moving walls?, wide open air duct?, mobile truck? Can you post a photo?

Last edited by John White; 28th January 2012 at 03:32 PM.. Reason: Seriously, I'd love to see a photo.
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