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bontwoody
bontwoody
@bontwoody
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Noble Member
Joined: Mar 5, 2022
Last seen: Sep 24, 2025
Profile Activity
Topics: 30 / Replies: 828
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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 ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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 🙂

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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