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    nnn123's Avatar
    nnn123 Posts: 3, Reputation: 1
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    #1

    Mar 8, 2014, 06:54 PM
    How to reduce AC vent noise?
    I am planning to buy a 2 story house in AZ. The air conditioner is on the roof and it is a brand new. House has 2 types of AC vents as pictured below. First picture vents are only on ceilings and they make a lot of noise, second picture vents are located on walls throughout the home and they are super quiet. How to reduce AC vent noise?
    Attached Images
      
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Mar 8, 2014, 07:16 PM
    Are you sure the square ones are on the walls? I've never seen that type of register mounted on a wall but commonly on the ceiling.
    nnn123's Avatar
    nnn123 Posts: 3, Reputation: 1
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    #3

    Mar 8, 2014, 08:36 PM
    You are correct, images are in the opposite order... do you have any suggestion to reduce noise?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Mar 9, 2014, 11:19 AM
    Is it air noise, mechanical noise or rattle noise?
    nnn123's Avatar
    nnn123 Posts: 3, Reputation: 1
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    #5

    Mar 9, 2014, 11:32 AM
    Quote Originally Posted by ma0641 View Post
    Is it air noise, mechanical noise or rattle noise?
    Air noise
    talaniman's Avatar
    talaniman Posts: 54,325, Reputation: 10855
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    #6

    Mar 9, 2014, 12:57 PM
    Short of calling a air duct/vent professional, home depot has some products for you to consider,

    Search Results for air vent noise reduction at The Home Depot

    There are more elaborate products also

    Noise Reduction in Ducts - Paroc.com

    Air Duct Noise Reduction | eHow

    Many options out there.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #7

    Mar 9, 2014, 01:02 PM
    Depends on if you want to throw some money at the issue. I would guess the excess noise is due to a large volume of air coming out of the more direct ceiling trunk. An air balancer could measure the volume at every register and throttle down so that are getting too much volume.
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