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Last seen: Sep 9, 2026
That sounds very plausible, except for the fact the LWT rise appears to start just before the RWT rise, see at around 0703h. The four phase pattern is...
Here are the minute by minute energy values alongside the minute by minute temp values I posted earlier. Note they are Wh, not kWh, and, as a sanity c...
@rod - I do have a separate third party kWh meter that supplies only the heat pump but maddeningly it is not modbus enabled, meaning I can only get re...
Anatomy of a cycle: here is a single cycle from my heat pump, from around 0640 to 0720 this morning. This has been the pattern for the last few days, ...
I think you may well have a good point here, particularly when the OAT gets into the defrost range. I will be doing some experiments once we have cold...
Pretty much so, I think the core question is: do the savings made during a setback amount to more or less than the extra costs incurred (because of lo...
And the authors are hardly without an agenda. From their front page: "The Regulatory Assistance Project (RAP)® is an independent, non-partisan, non-go...
From near the top of the actual 'research' paper (BTB called 'Coming in from the Cold' - note quite the academic tone. Will the research group's next ...
This is exactly what I get when I click on the link, and it (it is everything on the screen) still has all the problems I mentioned: No labels...
@mikefl - I'm sure that's right, and useful to know, thanks for the contribution, but I think a lot of people (including me) are just not ready to tak...
Oh, for heavens sake, this is absolutely why I hate Home Assistant. Running that sqlite3_analyzer tool on the HA database corrupted my HA database, an...
@derek-m - HA uses a sqlite database by default, but for those who find that doesn't cause them enough pain, they can upgrade the pain by going for a ...
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Degrees of Separation
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A refinement of the degree-day method The degree day ...
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I’m really liking reading through this thread and the r...
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Thank you @trebor12345
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
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RE: Next steps on my ASHP journey: Radiators and Pipework
Great. You just need to find a way of cranking up your...
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