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Type: Posts; User: willdude

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  1. New resonant hum from heat pump compressor

    A little over a year ago I had a 2-ton Trane XL15i heat pump installed. Tuesday was probably the coldest it's been since I got it, in the single-digits and teens, and the heat pump ran pretty much...
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    It does not appear to be cause by an animal. The...

    It does not appear to be cause by an animal. The smell is generating from the air handler itself, as I can smell it in the small amount of air that leaks from the side of the air handler. I do not...
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    Nope, nothing around the returns, and I just...

    Nope, nothing around the returns, and I just replaced the filter to no avail. Like I said, the smell seems to be originating in/around the coil. Is it possible some sort of bacterial growth on the...
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    Townhouses. No avenue for smells to permeate...

    Townhouses. No avenue for smells to permeate between homes that I've ever seen, though.
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    Nope, P-Trap is sealed. This snowy morning in...

    Nope, P-Trap is sealed.

    This snowy morning in the mid-Atlantic, I've only smelled it once after I woke up and turned the heat up. Since then the heat has cycled on and off a few times with no...
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    My first impression when I smelled it was...

    My first impression when I smelled it was chocolate, though there's no holiday cooking being done that would cause this. I might even go so far as to call it a bit musty -- my girlfriend complained...
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    Strange sweet smell coming from heat pump

    I have a Trane heat pump which is almost exactly a year old, and in the last few days has started putting out a strange smell through the vents. Some facts about what I'm experiencing:

    - I...
  8. Thanks for the help. Out of curiosity, is there...

    Thanks for the help. Out of curiosity, is there some sort of reference from Trane regarding this, like a service bulletin?
  9. Just to make sure we're on the same page, here's...

    Just to make sure we're on the same page, here's a video I just took of the sound I'm hearing, which began ~5 minutes after the A/C turned off: https://www.youtube.com/watch?v=Knsyd1-4EmE
    ...
  10. The outdoor unit is a Trane 4TWX5024B1000AA. But...

    The outdoor unit is a Trane 4TWX5024B1000AA. But the sound is coming from the indoor unit (TAM7A0A24H21SBB).

    I guess I'm trying to figure out how common an issue this is, if at all, and what the...
  11. A/C whining after shutoff -- pressure equalizing?

    In December I had a new heat pump installed, and since I've begun running the a/c, I've had a strange issue. After the a/c shuts off, it starts to emit a high pitched whining/buzzing noise of...
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    Trane XB13 or XL15i?

    I live in a 3-story townhouse in the mid-Atlantic region, and I'm upgrading my 20 year old heat pump soon. It's basically down to the wire between a Trane XB13 or XL15i unit. Both are matched with...
  13. No efficiency improvements. The current unit...

    No efficiency improvements. The current unit does a good job of keeping it cool in the summer, and it doesn't run constantly, though I keep it at a pretty conservative temperature since it's older. ...
  14. Variable speed blower better or worse for temp differences between floors?

    I have a townhouse with a 20-year-old 2-ton heat pump I'm getting estimates to have replaced. The main issue I'm looking to address is the noticeable temperature difference in the summer between the...
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