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Last seen: Sep 3, 2026
Yes, but that is in cold weather. If you look at my chart, you will see that I was using around 4kW in the middle of the night (ouch!), but middle of ...
A different heat pump (Midea 14kW) but a stark reminder of what a difference a change in OAT makes to the trailing 60 minute COP (blue line in lower c...
Ideal conditions to collect the data! Although the left hand side of the scatter plot will be empty, the right hand side should be nine and tight, inc...
Good point.
It is the IAT (Indoor) , not the OAT (Outdoor), which needs to be stable! See my paragraph that you quote, it says IAT. Using degree days data inste...
We have discussed this technique in considerable depth in other threads. One important thing, given the underlying premise (energy in to the property ...
This is one of the reasons why AI will be the death of us, you don't have to understand anything! In other words, it removes the human steps of learni...
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