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Last seen: Oct 27, 2026
@cathoderay @derek-m I think I am making some progress untangling the data above provided by @cathoderay. The raw data showed a tolerable, but no...
@cathoderay Not an answer just some more analysis to ponder. Here is a table, taken directly from the minute by minute data, of heating energy (from...
Thats almost certainly a part of it. What I also suspect is that the previous 24hrs matters a lot, and so far as I can tell from the graphs the OAT w...
It would be interesting to answer this. Can you post the two graphs you are comparing and also the previous 24hrs on each case?
Definitely worth a read but not earth shattering. It hints at some minor tweaks to pd rights, but no revolution. Interestingly it repeatedly states ...
Best consumption will almost always be obtained by tuning the WC to match the load (ie not on/off except as a temperature limiter when eg solar gain t...
Thats a result then! At 32C WC doesn't actually make that much difference, about 10% or less, whereas its more like 20% at 45C. So fixed flow...
Thinking about this a bit more, for a house like yours (which, based on your figures, has a high thermal mass and is thus essentially an energy integr...
As you say heat loss calculators are a tool we have and when you can't make a measurement you have no choice but to resort to a model. I thin...
Interesting graph. The early cycles look like they might be minimum output cycling, but after 9pm (and particularly at midnight) its gets a bit more ...
I was faintly conscious that you had come to the conclusion that it was in fact undersized, but not sure on what basis. I wouldn't trust the Freedom ...
Did I miss some data on the heat loss of @cathoderay 's house. I don't recall seeing an experimentally determined value (and I think you know what I ...
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Actually, that's a very important point. I've only ev...
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@susannasaunders can I just add to @rob-of-york s comm...
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RE: Aerotherm and weather compensation
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
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Good to hear that you found a solution. Absolutely a...
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RE: Are there any comparisons of DHW heat stores around?
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RE: 15kw pump for 225m2 1990's house - over kill?
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RE: How will removing the standing charge on gas bills benefit heat pumps?
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RE: Say hello and introduce yourself
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RE: How much of your renewable and home setup would still work if the internet went down?
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