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Last seen: Sep 21, 2026
Can you please clarify what this graph is, it appears to have both setback and no setback on the same days? Also when you did the AUC calculation re...
Yes and Yes. Conservation of energy must eventually apply, but may take a long while for equilibrium to be re-attained, and my suspiscion is that in ...
The '10%' refers to the change in deltaT between IAT (20C->19C) and OAT (10C). House loss (which is how the '10%' is being used) is proportional ...
Provided the 'control' period from which these were derived is representative of the test period I would agree. If any changes have been made to the ...
Dare I say 'builders innit' (i think that's the appropriate slang - but its not my specialist subject!). The electrical institutions, in fairness, h...
True (which is one reason I advocate it for pump sizing), but it doesn't support extrapolation to other scenarios (ie houses) unless you have enough e...
The conclusion is right but just to correct the units - you have a 10kWh battery and it charges at about 2.1kW. Think of kW like speed and kWh like ...
You could well be right. I didn't look into it that far because I fail Octopus Intelligent Go at the first hurdle. Although I have an EV its only co...
I don't think so and hope not. I grant that heating, while fundamentally simple, is actually rather complex. However there is, in principle, a vast ...
All agreed, with the possible comment that theoretical models are (currently) invariably based on well adjusted/designed heat pump systems, and we kno...
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Degrees of Separation
Latest Posts
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 3 hours ago
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RE: Why are ASHP installs so expensive?
And then you look at US electricity prices and weep.
By bornagain , 6 hours ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 10 hours ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 1 day 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 , 1 day 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 , 2 days 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 , 2 days ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 2 days 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 , 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 , 3 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 , 3 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 3 days ago
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My feed of random industrial auctions turned up this au...
By Prunus , 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 , 4 days ago
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