Condo A/C puffing/popping

Discussion in 'HVAC' started by Hollownuke, Jun 24, 2010.

  1. Jun 24, 2010 #1




    New Member

    Jun 24, 2010
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    I have lived in a Condo for 2 years on the 2nd floor (2 story building). No one has lived in the bottom condo until recently. As soon as the bottom floor resident started using their AC I noticed that my AC would make a puffing/popping noise when not running.

    When my AC is running it is louder than the puffing noise so I am not really sure if it stops or I just can't hear it.

    Pics below:
    Imageshack - camera69010.jpg
    Imageshack - camera69011.jpg - If I remove the cap on this pipe I can feel the air puffing when the noise is happening.

    Our outside AC units sit directly next to each other.

    Any advice on this would be appreciated.

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