Last seen: Aug 7, 2025
Thanks for your pertinent questions. Answers, as best I can: It is outside, but the external pipe runs are short, perhaps 6ft flow and 6ft return an...
I agree that is what the Engineering databook shows (page 45, 9050W to confirm we're on the same page) but I am not sure what the max/norm/min rows re...
Here's a rather ugly chart from the data logger's software showing the kitchen room temp during the overnight setback to 16 degrees on the room stat 2...
Thank you all very much for your comments which I will reply to shortly. In the mean time, here is some data from the recent power cut, which by coinc...
You're right, I should have labelled the axis, I hoped the title was enough, and it allowed a slightly larger plot area. Yes, it is kWh/week. I w...
I like to imagine I get the distinction most of the time, but the use of power (kW) for heat loss and energy (kWh) for energy use does leave me easily...
No, as I said in the post, I applied a curve (distribution) derived from recent weekly readings to the annual oil use. Note that the first chart is en...
Interesting, I stupidly didn't do that calculation. My calculated heat loss, done for the heat pump installation, is around 12.3kW, but that is also a...
The Met Office WOW website I mentioned has that. You need to register to download the data, but it is free to do so (csv format). I do it once a month...
I certainly welcome any such attempt! I think it may be considered an interesting case, often it is the anomalies that lead to better understanding, s...
The heat energy used (energy in) is measured, and accurately (meter on the oil delivery tanker, external dedicated kWh meter for the heat pump). The h...
Try the Met Office WOW website (<=link). You can search for a weather observation website near you and download the data (you have to register but ...
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