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Last seen: Sep 9, 2026
@filipe - it does sound like an odd design/system. 12kW heat loss, 22 rads, that's give or take 500W on average output for each rad which even at ASHP...
We continue to live in interesting times. Some energy in results in kWh from the last 2 hour periods: PS I see forum clock is still on GMT. Th...
@derek-m - here are the results: 60 x 10A, 240V: all simple spreadsheet calcs give correct answer, 2.4 kWH, python integration methods (np.trapz, sc...
Ah, got it, will do and report back.
Difficult to make that happen, I don't have direct control over the current. I do however have the external heat pump dedicated kWh meter which reads ...
Jumping in rather over my depth, I did find two ways* of calculating the integral, one via a spreadsheet formula and the other by using an online calc...
I have been trying different ways of calculating energy in to compare the results. I have taken an hour when the heat pump was running in a fairly ...
Another major problem for me is that HA can and in my experience does corrupt its database. You can, with a lot of hard work, recover the data, but th...
That's the clue, I think most if not all HA aficionados have a background in software/computing, and so already think like HA does, and so take natura...
@cashback - very interesting. If you haven't come across them, two other threads have info on all this: Home Alone with Home Assistant (previously A...
More high jinks with Highcharts JS. I have now got zooming working. Here is the minute data for energy out parameters (LWT, RWT and flow rate, plus am...
@gorm - thanks for the link. I am sure you are right, it is a Midea clone, the images all look familiar, and the modbus register values for the ones I...
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RE: Adventures in heat loss calculations
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Thank you @trebor12345
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