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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Sep 1, 2025
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Topics: 17 / Replies: 2083
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RE: Simulation of ASHP with Gas boiler as part of decision process

It was early days, I had little data, and only very basic (S)COP data. However, even allowing for that, the discrepancy was sufficient to create, at l...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Simulation of ASHP with Gas boiler as part of decision process

@jamespa - something else to add to the mix. The fact the conundrum post plot used very early data, with energy out determined by multiplying the ener...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

@jamespa - I've been giving it some thought. As I said it was a long time ago especially the oil period. I probably put the basic timer settings in de...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

Yes, that should give you a gold standard answer, but it is expensive, invasive and needs some technical expertise. Probably not Joe Bloggs' first cho...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

For what it's worth, I have just compared the independent kWh meter energy in readings with the calculated total energy in values (source (2) in the p...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

I think this is perhaps unduly pessimistic. We have my n=1 experiment described above which showed a consumption based approach can work, as long as y...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

I do agree, it is a minefield, however, consider the logic of my approach which only needs a steady IAT (if that isn't the case, all bets are off) and...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump monitoring - what are you using?

One of the major problems with these types of online projects is that they get hugely over-complicated, making it often impossible for us mere mortals...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

I have three sources for energy in, and they all only cover the heat pump: (1) Midea keep a tally of lifetime energy in (like the lifetime energy ou...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump monitoring - what are you using?

Given willingness to learn, and assuming basic literacy, numeracy and ability to think logically, don't be afraid to look at python. It is a fairly hi...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

Most of your questions have been answered elsewhere, but far easier and more compact to repeat the answers here rather than trawl though past posts. N...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

I agree. I've found the thread - appropriately enough called 'A conundrum...' - where I raised this question before. It may have been before you joine...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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