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Last seen: Oct 31, 2026
I wouldnt be surprised. There is, in principle, a role for arbitrage to help balance grid load, but (at least based on what @transparent tells us) ...
@old_scientist @batpred The other area where this becomes relevant is arbitrage (buying low and selling high). This, at least as I read it, is NOT ...
Hi Contrary to the outrageous claims made by @cathoderay Im not an expert on anything, just a regular guy with degree in physics from 40years ago an...
I expect they are all made in the same factory in China! I suspect because the absolute value doesn't matter to the day to day operation and they...
OK, 2*22mm good, 1*25mm composite somewhere between pretty bad and unacceptable unless its very short with swept bends only. Do you know roughly ho...
Woah - is that single run (flow and return) rather than two runs (2* flow and 2* return) in parallel and roughly how much of this is there please and ...
@davidalgarve Thanks, thats great data on the pumps and as you say different but not much. I have some ideas forming both by way of explanation a...
@davidalgarve I have deleted your post made in error, I will delete this one also once I know you have read it!
Firstly its great news that you are improving things! I would try to avoid that TBH as its creating unnecessary resistance. Can you remind us wh...
It will consume more power in the water pump but it is more likely to increase COP than decrease it, because it means that you need a slightly lower f...
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Degrees of Separation
Latest Posts
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RE: Marvel Heating liquidation
In light of this conversation, I published this piece t...
By Mars , 7 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
I think I'd argue that's not the case - in fact that mi...
By EtchedPixels , 10 hours ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels Agreed, just a thought for others. I a...
By Watcher , 10 hours ago
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RE: DIY powerflushing tutorial
Nice contraption- I like this kind of thinking. Last ye...
By Travellingwave , 21 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 1 day ago
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Coming back on subject... A shortened version of the ...
By Transparent , 2 days ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 2 days ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 4 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 4 days ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 4 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 5 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 5 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 5 days ago
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