Last seen: Aug 15, 2025
@scrchngwsl - a little more information, from the no setback period. I have calculated (using your code adapted for the no setback period) and plotted...
I'm afraid I've lost you here. I have posted the complete data set for December 2023. I've just issued a prompt correction and apology for suggesting ...
@derek-m is correct, the data in the minute data file is raw as collected data without the correction, the calculated values in the hour data file hav...
@scrchngwsl - I started by looking at the regression. As I through habit like to see plots, I have done (a) a scatter plot with the regression line, (...
@scrchngwsl - very interesting, and very useful, to have an analysis done using a different approach that still nonetheless starts with the observed d...
Covered in my recent post (I'm not sure, don't have enough detailed data, but on balance, it looks random, but I don't know for certain). If/when I ha...
Will you please stop making insinuations that have no basis in fact. I have released all the all the raw/actual data for December in the zip file I po...
@derek-m - broadly, I think you have got it, apart from this paragraph: I am not sure where that comes from or what it does. Boiled down to its...
@iancalderbank - thanks - looking at the chart for days with minimal hot water use, it is almost always 10 degree drop per 24 hours, so I suppose with...
I agree, it does seem high, and I get reminded every time I see the DHW tank temp chart. It's the fairly common I think Telford Tempest Heat Pump mode...
Me too, but I fear it is a fact of life that modern DHW tanks aren't in fact that well insulated. Mine drops most days by about ten degrees, from 50 d...
On a positive note, something of a breakthrough on the energy in calculations, and the need for a 1.18 correction factor. Against expectations based o...
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