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Noise problems with newly installed Samsung 8kW ASHP

 
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Air Source Heat Pumps (ASHPs)
Last Post by Odynsfee 29 minutes ago
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 Elton
(@elton)
Estimable Member Member
491 kWhs
Joined: 1 year ago
Posts: 50
25/03/2025 11:35 am  

@odynsfee 

I'm thinking the problem may well stack back to noisy compressors on these Gen 6 Samsung units. Might be a batch or widespread - i'm not sure. Many say theirs is "quiet" but I am not sold on that to be honest.

Anecdotally, they are known to be loud units compared to others - even installers tell you that [unless perhaps if some don't want to admit as they've installed many :-)]. Barely anyone wants to show them off on visit a Heat Pump. If they are louder than they are rated (and I believe some units are eg Vaillant defrost) then the unit has been essentially mis-sold & it is a manufacturer's design fault - they should rectify it. But they wont as can hide behind the forced position that noise is a "myth".

I do wonder whether (if it is ground mounted) you are suffering not just from the circ pump but from fluid resonance from the dreaded Gen 6 compressor. That means vibration from the compressor travelling in the fluid (or in the copper of the pipes themselves), possibly being amplified by the circ pump (this can happen) then vibrating into your structure. Is the noise all the time when the unit is running? Does the most prominent tone of the unit sound like the noise inside? Can you hear vibration in any structural elements - beams, walls etc (may be in one but not another). Fast flowing, wider pipework carrying vibrations in the fluid that then manifest into the structure as a whine.


   
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 Odynsfee
(@odynsfee)
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90 kWhs
Joined: 4 months ago
Posts: 3
25/03/2025 9:31 pm  

@elton I think that you are correct about the noise coming from the compressor and the water resonance that is in the pipes is the same sound as the unit itself .

I have boxed all of the pipe work in for aesthetic purposes and I was hoping that it would dampen the whining noise at the same time, I stuffed a load of sound insulation in as well for good measure but I can still hear it .

When the pump is not working hard the noise that’s coming from the pipe work inside cancels out the external pump sound so it’s definitely water/copper pipe borne.

The noise is in the air and it’s hard to pinpoint exactly but when you put your ear to the boxed in pipes you can hear the whine and the water coursing through them. I have tried all of the pump settings and the lower one’s do help but it’s generally its still quite annoying.

i can’t say that i can hear any structural vibrations.

 

 

 

 

 


   
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