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There is a plastic pipe that is exactly next to my window, and whenever the neighbour has a shower (which seems to happen a lot, throughout the day and untill 12 or 1 am at night) it just blows hot air from it and it is really loud. I took a picture of it so you can see. I also went outside my window today and looked at it closely. It is a plastic pipe, hot air is coming out, and I was wondering there must be a way to make it be more quiet? Something simple? That I could put around it, or on the end? Something? Please help as I am really annoyed by the sound. There must be someone who knows what to do with it. :)

Many Thanks, Anastasiapipe coming outside of wall

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  • Need more info: is this exhaust from a main building waterheater, or an on-demand heater in his apartment, or just an exhaust fan from his bathroom? Which window is yours?
    – Carl Witthoft
    Sep 23, 2016 at 17:39
  • This is a pipe coming out of the neighbour's house, the window that is mine is the one I am hanging out of to take the pic.
    – notverygoodatdiy
    Oct 3, 2016 at 14:04

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It's a direct-vent (a.k.a. powervent) water heater exhaust. My home has the same thing. The first night I slept there it about knocked me out of bed, and now we usually keep the window closed on that side.

You can find duct mufflers that will dramatically reduce the noise, but they're something you'd need to work with your property owner to install safely and according to building and rental codes. You're dealing with carbon monoxide, so you don't want to take risks.

Another option might be to route the pipe up the wall and above the roofline, or simply to direct the opening away from windows. Again, this would require homeowner approval and assistance, and you need to prevent rainwater intrusion.

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  • This is a pipe coming out of the neighbour's house, the window that is mine is the one I am hanging out of to take the pic.
    – notverygoodatdiy
    Oct 3, 2016 at 14:04
  • Thank you for your response, it's the neighbour's house we are talking about and I dont how to go about finding the landlord. My room is directly next to this pipe so I can hear it all night when it's quiet. It is SO annoying. also my window seems to be inside two walls so it's like an echo chamber. The idea of routing the pipe up the wall and above the roofline would be perfect. Do you know how much it would cost at all?
    – notverygoodatdiy
    Oct 3, 2016 at 14:12

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