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Last seen: Sep 20, 2026
The plot you posted was more like 80% duty cycle, unless you also increase flow temperature (compromising efficiency) then you cant, at the outdoor te...
Nice one!
Just thinking about this measuring the temperatures on all 4 ports should, I think, provide enough information to achieve a reasonable balance. Some...
The defrost energy has to come from somewhere, ultimately from the heat pump! Just to be clear I have neither a buffer nor a volumiser in my system ...
If they did in the past but dont now then there are at least three contractual questions that arise 1. If they insisted on a buffer as a condition o...
I would support that sentiment. One conventional way as I mentioned earlier is sensors at one third and two thirds up the vessel. However buffer...
Do they? That's not what I observe from the several manuals I have read (albeit in some cases fairly quickly, I admit) over the past 2 years. I wond...
It does sound like the house has a large thermal lag. Bear in mind that the thermal lag of the house can be long even if the radiators can cool quick...
Apologies, I thought you were complaining about the comparison between the two months. My figures on the temperature differences were for Birmingham ...
If only others took the same approach we would see far, far fewer posts on this forum (and others) complaining about poor performance, and indeed far ...
100% agreed, I am a firm believer in the liberal use of occams razor!. I was just saying it (balancing a buffer) can be done, although it seems, judg...
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Degrees of Separation
Latest Posts
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 27 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 4 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 1 day ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 1 day ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 1 day ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 1 day ago
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RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 2 days ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 2 days ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 2 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 2 days ago
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My feed of random industrial auctions turned up this au...
By Prunus , 2 days ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 5 days ago
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