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Last seen: Sep 21, 2026
Short of watermarking every post and every chart with 'N=1' there isn't much more I can do than I already have done, point out regularly that this is ...
Nonetheless, useful commentary in that it tells us 'smart' meters are not so much about letting consumers know much about their consumption — wasn't t...
@transparent may have something useful to add here, he knows a lot about smart meters. My initial thought is do you actually need this level of ...
@ian33a — I have a sort of residual interest in this problem as I used to have an oil tank (and boiler) and I remember how vague my usage measurements...
I agree, and that is in effect what @jamespa and I have been doing! That's for the link and it seems I have been teaching grandmothers to suck eg...
@ian33a — a measured heat loss always trumps a calculated (whatiffery spreadsheet) heat loss, providing certain requirements are met. Firstly, the I...
Yes, see below. They are just standard regression lines, just as in any spreadsheet, but in R you have more control and more options, but as I have sa...
Using past oil usage to estimate heat loss is tricky. Firstly it is very unusual to have accurate interval usage. You fills your tank and runs your ...
@jamespa — this version may be marginally better:
@jamespa — the 0900 2100 IAT/OAT data is now in R and as a starter for ten I have distinguished between setback and setback and hour, 0900 and 2100, b...
@peterwurmsdobler — thank you for your positive comments. You are certainly taking a diligent and sensible approach to assessing your own needs. The...
@jamespa — as a taster, which may in fact already have given us the answer, here is the plot for the whole dataset (no setback/no setback sub sets) fo...
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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 , 28 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 , 3 hours ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 7 hours ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 22 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...
By Mars , 4 days ago
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