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Last seen: Sep 21, 2026
Overall about 43/15 = 2.85 However this is made up of space heating COP and DHW COP, which normally are quoted separately, because they are typicall...
It doesn't directly contribute. The energy in basically powers the compressor (plus a bit for other things) and the energy out is the heat in the ga...
Here is the measured data (2 years worth of half hourly meter data) my selection was based on. You don't need 2 years worth and the 24, 12, 6,3 hour ...
I have done various thing, basically my approach was 'do a sensible and practical upgrade whenever a room is decorated or the opportunity arises'. Ov...
Assuming you actually heat the house (which, admittedly, it sounds like you may not fully) a gas consumption of 16kWh and a heat loss of 18kW are not ...
@mars - have you considered 'empty-chairing' the buffer tank advocate. It would send a very powerful message throughout the video without you having ...
That's a shame as I was looking forward to the fireworks, but as you say it's a strong message which needs to be heard.
That will be fun!
Agree, and if there is a flow mismatch the question is 'why' and can it be eliminated using something without undesirable side effects. In most cases...
Agree. I looked at daily vs OAT and peaks/distributions of 3, 6 and 12 hourly averages. The former gave me a figure, the latter (which were fairly s...
Yes, precisely that (at a specified outdoor temperature) A question I have been asking quite loudly (on this forum and elsewhere) for a year or m...
I am referring to Occams razor in the sense of cutting out the unnecessary and I explain this in my post. If its unnecessary (in a particular applica...
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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 , 49 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 , 1 hour ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 6 hours ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 20 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 , 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...
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