Last seen: Nov 4, 2025
@damon thank you for posting. Would you care to tell us in what circumstances you fit a buffer tank, why, and how you set it up to avoid a cop penal...
... but a volumiser would prolong run times by the same amount without any of the downside risk in performance, difficulties with fault diagnosis and ...
This is indeed welcome news. In addition the new legislation: Increases the maximum volume under pd to 1.5cu m other than for flats where it remai...
That's my point really, it should be both freely and readily available. As you say it's just a table (or set of graphs) of cop and output vs ft and o...
Good luck, I hope it all works out!
In fairness to heat pump manufacturers the output inevitably (unless artificially restricted in software) varies with oat and FT. Furthermore the vari...
Thanks for the detailed reply and I apologise if I can sometimes be pedantic and determined to 'get to the bottom' of product claims. My aim is simply...
Really delighted to hear that. I can't comment on homely but if you don't have it then you will likely want to readjust your weather compensation cur...
Work on 2-3 percent per degree. This is a reasonable estimate of the reduction in COP because you will need to run the heat pump at a higher tempera...
The useful bit is the bit that specifies the heat loss at the design temp ( presumably around -3). It's your choice of course but I genuinely fear t...
@harryrea In a heat pump only system you are never heating space and DHW simultaneously because they require different flow temperatures. For the sam...
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