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Last seen: Sep 20, 2026
In addition to the above you might want to balance out the buffer so it is acting as if not there. Adjust pump speeds for minimum difference in temp ...
It sounds like you get it, maximise the load by opening everything up, cancel mixing by setting the mixer valve temp to max, and then batch heat your ...
I'm really sorry to hear that. As others have said this is massively oversized. It is also massively overcomplicated. Taking the two together this...
Hi Just to confirm my understanding. You have an 11kW heat pump and an assessed loss of roughly 2.5kW (118W/K * 20). Is this a correct interp...
Thanks. Just a few more questions to get a handle on sizing What was the date of the plot and what was the approx OAT then? Which model ASHP...
Fundamentally I agree with @mars and yes please post the full system schematic for detailed suggestions. Seriously heat pumps work best when operate...
Thats a brilliant result and you must be pleased you persisted with fighting this. Its also a good example of what I am beginning to suspect (but can...
As you say this is no change, which I personally think is reasonable given the figures in BS 8233.
I should probably add to my comments above that, whilst I can definitely see an argument for using a solar diverter in some cases - most particularly ...
The argument I can think of is that solar diverters precisely match the power draw to the available excess solar power, which heat pumps cannot do. T...
Lots of reading and questioning which the background makes easier. I started when I first thought about getting a heat pump for myself and it became ...
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
That's not really the case. Average surface temperatur...
By JamesPa , 10 minutes 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 , 15 hours 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 , 16 hours 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 , 16 hours ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 18 hours 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 , 19 hours 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 , 24 hours ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 1 day 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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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 3 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 , 4 days ago
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