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Noise in garden from ASHP

ShadowTerrace · 2021-04-21T11:58:03Z

Hello, I'm looking at air source heat pumps as I need to replace my boiler and looking at ways to reduce environmental impact. I live in a 100 year old terraced house in central Scotland, so walls are solid stone, not huge amounts of light or warmth from sun available, and neighbours are close by. With wall insulation and upgrading pipes, an ASHP might be possible. There is room out back to set up a unit (next to the wall on the right, in picture below) and my research so far has reassured me that running noise won't be an issue from within the houses - but with the gardens being small, I'm concerned that the noise could significantly impact our enjoyment of our outdoor space, for us and our neighbours. There's no front garden so this would be the only possible location; also, vertical ground source is out as there's no access for drilling equipment. Has anyone installed an ASHP to a terraced house like this? Or can otherwise comment on quieter models? I'm assuming that it's going to be quieter during months we don't use central heating - about 6 months over summer we don't need to turn it on, but do use hot water. I've searched for videos that attempt to demonstrate the noise levels but it's so difficult with sound recording. I think to make a decision for major work like this we probably need to see one operating in real life but that also seems difficult at the moment.

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Air Source Heat Pumps (ASHPs)

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Bea1060

(@bea1060)

Eminent Member Member

Joined: 5 years ago

Posts: 15

07/05/2021 3:02 pm

@derek-m hi - I’m not sure if it’s advisable to wall mount an ASHP as they are huge and it would also restrict air flow around the ASHP.

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Derek M

(@derek-m)

Illustrious Member Member

Joined: 6 years ago

Posts: 4425

07/05/2021 4:21 pm

Hi Bea1060,

You probably missed the earlier post from Shadow Terrace, who said one of the companies who quoted had suggested wall mounting. I was merely advising him that the units are very heavy, so would need careful consideration.

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Bea1060

(@bea1060)

Eminent Member Member

Joined: 5 years ago

Posts: 15

07/05/2021 5:00 pm

@derek-m ahh apologies. yes I can see that now.

Regards

Bea

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Derek M

(@derek-m)

Illustrious Member Member

Joined: 6 years ago

Posts: 4425

07/05/2021 5:11 pm

No problem Bea, there are now so many post that I am losing track of who said what, or it could just be that I am suffering from one of the pleasures of growing older.

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