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Last seen: Sep 6, 2026
@bontwoody - good point, I was only talking about air to water heat pumps.
I agree, and it is why we need to look so closely at actual behaviour. I have just upped each end of the WCC by one degree, it is now 57 at -4, 35 ...
@transparent - certainly, here are my replies: A: at the moment it is 50:50 between 1 and 3, with 2 not really part of the problem (because the WCC ...
@jamespa - I agree, it is a useful plot. Sometimes nature does oblige, and provide a convenient operating range which we can observe. I do however wis...
I have been looking a bit more closely at what actually happens when my heat pump gets itself into can't quite cope mode, and the IAT falls, ie when t...
This is a common problem that gets nowhere near enough attention. The problem is two linked requirements: (1) to get a grant, you have to have an MCS ...
Here is my heat pump's behaviour (Midea 14kW running in weather compensation mode) over the last week, including cold outdoor air temperature periods ...
We'll do what we can, but first we need more information. Rough location and type of property. Your property's heat loss. It's a figure in kW that...
I see other have posted while I was putting my last post together. Not wishing to over-prolong this, I do however want to add three further comments a...
I didn't say that, but I did imply they could be. What I did was give a hypothetical example of how a poll could mislead, and then said "In that examp...
@editor - I may have hinted at what my academic response might have been, but I am not getting bogged down in dissecting market dynamics in academic d...
I'm sorry, but I have to reiterate you cannot draw any conclusions about overall satisfaction from these results. If I were to put on my academic hat,...
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RE: Next steps on my ASHP journey: Radiators and Pipework
When we first moved into the house, it had single glazi...
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RE: Where heat loss surveys seem to go against practical reality
Posted by: @cathoderay All I am doing is emphasising...
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 2 days ago
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It’s been out a few days and Amazon has already attache...
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
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RE: Adventures in heat loss calculations
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