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bontwoody
bontwoody
@bontwoody
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Joined: Mar 5, 2022
Last seen: Jul 6, 2025
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Topics: 29 / Replies: 806
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RE: ASHP - a few (probably dumb) questions about the lived experience

@jamespaI must thank you for clearing up a misconception I was labouring under, the COP differential is as you say and much closer than I intuitively ...

10 months ago
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Air Source Heat Pumps (ASHPs)
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RE: ASHP - a few (probably dumb) questions about the lived experience

@jamespa ok you got me checking my maths. if the HP was drawing 0.5 kW for 24 hours with a COP of 6 then it would deliver 72 kWh and use 12kWh if...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP - a few (probably dumb) questions about the lived experience

@jamespa I think you have misinterpreted what I was saying. If the amount of heat energy delivered in both cases is the same, then as long as the elec...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP - a few (probably dumb) questions about the lived experience

@lickofpaint Hi. Although many people do run their heat pump 24/7 it’s not obligatory. It’s certainly the way to get the best COP but there is a tr...

10 months ago
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Air Source Heat Pumps (ASHPs)
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RE: COP or Cost Per kWh

@derek-m I suppose it was unrealistic of me to expection production and customer prices to track each other. Just look at petrol prices 🙂

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: COP or Cost Per kWh

@majordennisbloodnok Hi, as you say carbon intensity is the best measure if you can use that. What really interests me is why the variation in correla...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: COP or Cost Per kWh

@ivanopinion @majordennisbloodnok So I managed to get a bigger slice of data from the 17/08/24 to 13/09/24 and the results are interesting. Overall...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Advice needed on inefficient Samsung ASHP installation

@mjw321 You can actually remove the mixing valve as even set to maximum it will still blend the hot water down slightly which will mean you need to ru...

10 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Primary Pump positioning for Samsung Gen6 system

@ecobaker if you are sure that the two radiators dont have an airlock, then it might just be a matter of balancing all the radiators to ensure that th...

10 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Advice needed on inefficient Samsung ASHP installation

@mjw321 There is quite a bit there Mark. I have a more modern Samsung unit with a different controller. The diameter of the UFH pipes might be a...

10 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Advice please on controls for my Daikin 14kw 3H HT heat pump with 3H HT W internal unit and Megaflo cylinder

@joninorkney Hi Jon. Sorry to hear about you installation ordeal. it sounds like you have a good idea of what needs to be done with weather compens...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: COP or Cost Per kWh

@ivanopinion @majordennisbloodnok Managed to have a look at the data today, unfortunate the data you sent me had different timestamps not in the sa...

10 months ago
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Air Source Heat Pumps (ASHPs)
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