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Last seen: Sep 21, 2026
I don't think you can say 'This is not how a heat pump is supposed to run'. SOFAIK there is nothing wrong with operating a fixed flow rate (and thus ...
abut 1.5 bar, but I dont think it matters much unless you have a very tall house (it merely needs to be sufficient to ensure that negative pressure do...
Those cops sounds pretty close to what I see (7kW house, 7kW Arotherm). My energy delivered is currently tracking fairly close to what my measured ga...
And, as an added bonus, the bed sheets won't need to be changed quite so frequently!
Like any heating system the consumption will depend on outside temperature. At the design minimum temperature you need to deliver roughly twice as mu...
An arrangement which recognises that this is a modern totally unnecessary extravagance? Or as @iaack suggests, waste water heat recovery Or just s...
Pretty much I'm coming to that conclusion, TBH it was my hunch when I started this thread but I wanted (and still want) to see if anyone comes up with...
No idea because not sure what they refer to. What's the context and what are the units and factory defaults? Mostly I would say leave things at...
Some manufacturers publish this data including (but not limited to) Midea, Mitsubishi, Vaillant. Its not always easy to find, Mideas is in a password...
We don't and they may well be overstated. Certainly there is a reduction in efficiency because the heat pump has to run at a higher ft, but this migh...
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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 The bigger item think is do we upgr...
By Rob of York , 8 minutes ago
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RE: Why are ASHP installs so expensive?
And then you look at US electricity prices and weep.
By bornagain , 33 minutes ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 5 hours ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 19 hours 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 , 23 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 , 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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