Last seen: Sep 13, 2025
@jamespa - I'm not having a good day today! I have just noticed there were two copies of the minute data script running from about 1350 today, meaning...
@jamespa - I've decided to keep the raw minute data as it is, all corrections (the 1.18 for all derived/calculated energy in kWh and COP values) will ...
I'm not sure I like the tone here! Seriously though, data is data, and while it has some known and correctable flaws eg the energy in as calculated fr...
It's actually left or right, because we have the axes the other way round, I put degree minutes on the x axis as to my mind it is the predictor variab...
During, in effect we cross-posted, your post appearing first, but I didn't see it until after i had posted. Also note the typo correction.
@jamespa - interesting! I have made a small change, changed the degree minute calculation from (IAT -OAT) to (baseline - OAT) with a baseline of 15.5,...
@jamespa - and here's the data:
Can and will do. I'll post the minute data for the last two weeks shortly. The calculations I have explained before but I expect that signal may have ...
There certainly are discrepancies, but I am fortunate that for the energy in I can measure them, as I have an external heat pump dedicated kWh meter. ...
For sure, that is the gold standard, but you can get some Ecodan data, see posts by @kev-m, though obviously it comes, like my data from a Midea unit,...
I do have the data, as you know, all you have to do is ask! According to my Mark 1 Eyeball Aggregator, the IAT was on average about one degree less ...
Sorry if you were confused, it is entirely my fault, I was looking at one image (last week) and had posted another (last 48 hours). The last week look...
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