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Last seen: Aug 16, 2026
@eliuccio Thorough analysis and, tbh, it looks like you have two viable quotes (a good position even if it makes the choice difficult!) Here ...
Cynically I would suggest its there to protect the installer and cost you money unnecessarily (both at install time and in running costs). The smar...
Yes Yes to the first No to the second (I think) as this results in cold return water being swept up into the flow, reducing the flow temp to em...
In addition to the above you might want to balance out the buffer so it is acting as if not there. Adjust pump speeds for minimum difference in temp ...
It sounds like you get it, maximise the load by opening everything up, cancel mixing by setting the mixer valve temp to max, and then batch heat your ...
I'm really sorry to hear that. As others have said this is massively oversized. It is also massively overcomplicated. Taking the two together this...
Hi Just to confirm my understanding. You have an 11kW heat pump and an assessed loss of roughly 2.5kW (118W/K * 20). Is this a correct interp...
Thanks. Just a few more questions to get a handle on sizing What was the date of the plot and what was the approx OAT then? Which model ASHP...
Fundamentally I agree with @mars and yes please post the full system schematic for detailed suggestions. Seriously heat pumps work best when operate...
Thats a brilliant result and you must be pleased you persisted with fighting this. Its also a good example of what I am beginning to suspect (but can...
As you say this is no change, which I personally think is reasonable given the figures in BS 8233.
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