Neighbor finds the air-to-water heat pump too loud

  • Erstellt am 2021-01-11 13:40:44

Malz1902

2021-01-11 14:41:59
  • #1
Yes, I thought so too.... Weird guy Wärmepumpe is a Fujitsu Waterstage Air-to-water heat pump «KOMFORT» WOYA080LFCA Hydraulic unit: WSYA100DG6 Outdoor unit: WOYA080LFCA
 

11ant

2021-01-11 14:50:26
  • #2
Pretty much one of my first official acts as King of Germany would be to ban these awful buzzing boxes. It's not the sound pressure itself that's disturbing, but more the frequencies. Certain frequencies or frequency mixtures simply feel annoying, even without a jet fighter or a pneumatic drill actually exceeding the measured sound pressure.

You would first have to find out exactly what bothers him and where. You can actually hear a hum as a hum or a buzzing as a overtone of a hum where you organically hear the buzzing and the brain "recognizes" the hum underlying it. But it can also be that the hum has a frequency that creates a standing wave between your house walls. So it really depends on whether it is better to dampen the sound, scatter it better, or eradicate it at its root (for example, by replacing a wobbling bearing if that's the reason). So you need to find out: is it vibration, is it resonance, is it reflection...

Yes. If the disturbance (or even just what makes the frequency mixture unpleasant) comes from a worn-out fan bearing or something similar, it can indeed escalate beyond the tolerance threshold only after a few years.
 

Grundaus

2021-01-11 16:17:43
  • #3
if it only just now catches his attention, maybe a bearing (fan, compressor, or mounting) is defective. Is it lubricated by the coolant? As a quick and cheap remedy, stacking a few bricks in front to try it out would be possible. Clearance must be maintained and can then be nicely bricked up in summer
 

11ant

2021-01-11 17:13:34
  • #4
... depending on the results of the root cause analysis, a Helmholtz resonator at the neighbor’s place would also be an effective solution.
 

Nida35a

2021-01-11 17:18:27
  • #5
suddenly loud,
device has a defect,
or the neighbor sleeps with the window open so he can hear everything better
 

halmi

2021-01-11 17:39:50
  • #6
or he has only recently discovered that you have a heat pump. Turn it off for one night and then ask if it has improved; if not, he should simply stop wasting your time.
 

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