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Air Source Heat Pumps (ASHPs)

Last Post by Joshua 2 months ago

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Joshua

(@terry)

Eminent Member Member

Joined: 5 months ago

Posts: 10

Topic starter 03/06/2025 7:35 pm

In spring I suffered from an overpowered heat pump causing an excessively hot house due to weather compensation not being able to run cool enough. After consulting here I changed the settings so the thermostats turned it off when the temp got too warm. 2091 to 1.

This seemed to work well in spring stopping the overheating and bringing the monthly electricity usage down a bit.

Now it's fully warm though the thermostats are never requesting the heat pump to turn on but my electricity usage seems stubbornly high. We tend to get through a fiver a day which we were nowhere near in the August when I first got the heat pump (and it was never in for heating).

I also on occasion walk in and see the water outlet (which I think is heating not water, but may be wrong) at a high temperature eg 60c

Does anyone have any idea what I may have done wrong? Or does a fiver a day electricity seen reasonable (5 bed house, 4 people, a few gadgets, HP water heating) in this weather? Heat pump is a 12kw r290 one.

Thanks in advance

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HCas

(@hcas)

Reputable Member Member

Joined: 1 year ago

Posts: 101

03/06/2025 7:38 pm

Is the heat pump internet connected?

I'm asking to know if we could take a look at the data from it remotely.

CEO and co-founder at HavenWise

👍

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Joshua

(@terry)

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Joined: 5 months ago

Posts: 10

Topic starter 03/06/2025 8:34 pm

It isn't unfortunately

Maybe with investing in the adapter though

This post was modified 2 months ago by Joshua

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Alfapat

(@alfapat)

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Joined: 3 years ago

Posts: 182

03/06/2025 8:43 pm

Not bad at a fiver , I am 6 to 7 pounds , total electricity and only two of us, I am in scotland , Elgin , so colder nights .

No buffer and no Homely or otherwise.

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Joshua

(@terry)

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Joined: 5 months ago

Posts: 10

Topic starter 03/06/2025 8:54 pm

@alfapat that's this time of year?

Maybe I'm just expecting too much.

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HCas

(@hcas)

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Joined: 1 year ago

Posts: 101

04/06/2025 11:22 am

@terry Hmm makes it tough to figure out remotely what's going on. The water outlet temp shouldn't be 60C though.

I would say:

Did you try turning the heating off on the Samsung controller?
What's the daily energy consumption of the heat pump? You should be able to see that on the Samsung controller under Energy Information if I remember correctly

CEO and co-founder at HavenWise

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Joshua

(@terry)

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Joined: 5 months ago

Posts: 10

Topic starter 04/06/2025 11:56 am

@hcas thanks, I didn't realise I could look at energy. Usage attached, operation time too

So it seems to be using very little, except for Tuesdays when it does a legionella cycle (would that explain the 60c? Although my 60c photo was a Wednesday)

So looking at my octopus account my electricity usage is only a tiny bit up on Tuesdays, which makes me think the heat pump isn't a great contributor and I've sent you all on a wild goose chase.

Sorry but thank you for educating me on my ability to view energy usage.

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HCas

(@hcas)

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Joined: 1 year ago

Posts: 101

04/06/2025 1:40 pm

No problem

CEO and co-founder at HavenWise

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Alfapat

(@alfapat)

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Posts: 182

04/06/2025 2:05 pm

Posted by: @terry

↑

@alfapat that's this time of year?

Maybe I'm just expecting too much.

Yes , this time of year .

Unfortuneately I dont have that facility on a Gen 5 controller as far as I know?

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EcoBaker

(@ecobaker)

Estimable Member Member

Joined: 1 year ago

Posts: 44

10/06/2025 8:40 am

I had an issue like this last year, when my COP halved overnight, it turns out I'd unintentionally turned on the electric immersion heater for all hot water. FS 3031

So might be worth checking that out.

Samsung Gen6 8kw ASHP in a two bed victorian mid terrace.

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