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Last seen: Sep 21, 2026
Many gas boilers do or can support WC. However the way we do dhw means that you may have to jump hoops to implement it. A friend of mine has employ...
Yup pretty much. My boiler does actually condense so its just possible that the efficiency exceeds 100%. Hence choosing the 7kW Vaillant which does...
So we can look at the scatter on some more experimental data, here is a plot for my gas fired system. It shows average daily power (ie daily gas cons...
A bit of a moot point as this is now into hand waving territory, but I had in mind +/-10%. Thinking at the next level of detail, if I had a determin...
All agreed except possibly the last sentence. I don't think its as simple as a constant lag because the fabric isnt monolithic. However certainly I ...
Its a very good question and one I pose above. As I say above it does depend on the actual circumstance and what design decisions may be triggered/de...
The elevator reached the level at which I had to get out, so I missed my opportunity to impress the CEO.
OK so I have been giving some thought to a possible gold standard test that can be performed on a house outside a controlled environment. It co...
Scrap them entirely would be my vote. Let those in the industry that deliver for their customers rise naturally, and those that rely on MCS to cover ...
Sorry I got to 1min 14 seconds and gave up. Disorganised, self indulgent, amateur cr*p up to that point, nothing to encourage me to listen to another...
It matters. Averaged over a sufficient time period what you say is absolutely true - its the first law of Thermodynamics! However you were apparen...
Agreed According to your profile you have an ashp, presumably operating weather compensation. This being the case I would expect a much better corr...
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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 , 4 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 , 11 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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