Last seen: Jul 6, 2025
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...
Ok so I think you consider it (structural zoning, not hybrids) mainstream. Fair enough. Let's consider a couple of fairly mainstream examples. a) ...
I'm not an expert on SAP TBH but others here are. Could you post the full report (feel free to redact personal info) which will give a better insight...
I'm still struggling with this (on the grounds that it's unnecessarily complex) for the typical 100sq m, roughly cuboid, property that makes up the va...
First question is why do you think you need 18kW? Whats the house construction and where are you? 45W/sq m is high for a modern purpose built house...
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