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Last seen: Aug 16, 2026
There sure are a lot of variables to consider here! 🙂
@fazel Agreed, but the highest COPs are clustered around the 9kW load so shouldnt we aim for the mode output to be in that region?
@fazel Ah, I see, that would account for what appears to be a smaller delta T at the lower temperature. Does the increase in off cycles negate the p...
@Kev_M I was thinking about the right hand graph again last night Kev. My understanding of it is that the different plots for A12, A7, A2 and A-7 ar...
@Fazel @Derek_M Well here is some interesting behaviour last night. I lowered the flow temperature at the top end of my WC curve by 2 degrees bringi...
@derek-m Thanks, Im going to try some of these ideas now, however I noticed on Glyn Hudsons second video that his heatpump became unrelaible at abot 3...
@kev-m Well if im reading the graph on the right properly, its suggests that at all plotted ambient temps, the 11 kW heat pump has its highest COP at ...
@fazel Well thanks Random Internet Guy, good superhero name!
@fazel Just noticed your question on indoor temperature. I have the thermostat on the controller set to 23C in the hall area (we do like it warm, henc...
@fazel I dont mind at all! All help greatfully accepted 🙂 Is that Trystan? I havent had a cold day yet, so I will try and lodge the task in my brain...
@Derek M @JamesPa Thanks both for an interesting and illuminating discussion. By way of a practical example Ive attached my heat pump graph for yester...
@jamespa I sympathise James, the same arguments apply around the 'war on cars' once people get used to something, having something slightly less conve...
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