I got a tricky situation. I live in an old row of townhouses that are divided by cement walls on the inside. Last year, the new neighbors replaced the outdoor AC unit. It was old and working, but I assume they wanted something more efficient. It was installed towards the end of last year so it wasn't used. Now that the hot weather is here, there is a problem.The unit sits where the old one did, on a cement slab close to the property line divided by a fence. When it turns on and is running, I am getting a rhythmic audible pulsing that is traveling up the dividing cement wall between our units. What's really bizarre is that it's the most noticeable on our top floor bathroom, farthest away from the unit itself (but the titled shower/tub is right against that diving wall). As you make your way down to the lower levels of the house, the sound lessens. And in my living room, which is facing the backyard and is closest to the until, its still there but not nearly as bad as it is upstairs. The noise is easier to hear closer to the diving wall, if I put my ear to the wall in the bathroom you'd think their AC was right on the other side. Oddly enough when you go outside to the backyard, its almost not even there.What are your thoughts on this? The problem here is that this guy has a family and is already cash strapped with kids and a mortgage, he likely can't even afford a tech visit to come out. He may have a 1 yr warranty of the install, but I get the feeling that if I mention this issue to him, unless he sees it as a problem and can hear it himself (and people often have different hearing tolerances), he won't bother fixing it, despite the fact its causing problems on my end. And I still plan to live here a long time.Is there something I or we can fix ourselves?
Its probably bolted to the ground, but I assume if you lifted it up (which would require removing the top, the fan, and unscrewing some bots a bit) you could slip some dense rubber under it and that would probably resolve the issue.alternatively you can just puncture one of the copper lines with a nail (it happens, do it on a windy day) or sell the whole unit at a scrap yard.
also don't assume it is bolted to the ground. they're heavy as fuck but push hard against it and it might lift a bit or shift slightly. I installed one on my deck and didn't bother bolting it.
You've got regenerated noise from a vibration that's transferred from the machine into the building. You need to find how it's rigidly connected and disconnect it. Check that it's on rubber or spring mounts and not bolted direct to the slab. Check that there's a bit of flexible pipe between the machine and where the lines are pinned to the house or that the fixtures all have rubbery bits. When the natural frequencies line up it really doesn't take much.
>>2998611It's probably the air handler that's making noise. It could be as simple as the drain pan vibrating against the wall.
>>2998611Nothing that 30 rounds of 5.56 can't fix
>>2998774That is a lot of fucking money to try and solve a problem that $4 worth of rubber mat can handle.
>>2998657>most noticeable on our top floor bathroom,Find out where they ran the line from the drain pan. Might be vibration conducted along the plumbing.
>>2998630>>2998774>Americans first response is petty violence and/or shoot it with guns Why are you like this?
