
Last seen: Sep 6, 2025
I had almost exactly the same thing, among other quotes, and it made alarm bells ring for me. My actual heat loss is about 12.4kW, based on the better...
@oswiu - I hadn't joined up the dots, and read your post to mean - I think I have now got it - it is as if you had a power cut. Bottom line was, for w...
Good point. Add-ons are the marketeers dreams come true.
Very true, but I am not thinking of huge output, just a resetting of the output to match 'as if' it was a bit colder outside. For example, this mornin...
@oswiu - very interested to hear your account of what actually happens. Am I right in thinking that once the anti freeze valves have decided to do the...
What I am trying to get at is this is what we normally call a feedback system, and they have existed for millions of years, eg biological systems. As ...
And you will own nothing, and you will be happy, to quote from another forum. I have to agree with @derek-m, in that even the most sophisticated heati...
Another general observation while I am at it: you need to think of a heat pump as a Steady Eddy that runs low and slow. It is a tortoise, not a hare. ...
"Installing larger rads..." Absolutely, that is why I have tried to highlight the pitfalls. There are many constraints. In my house (an old small cott...
The rad/room delta t will be bigger with a higher flow temp ASHP, maybe 30 (rads 50, rooms 20) but almost certainly not as big as with a normal fossil...
No doubt that was OK for you, but a comment like this needs an added caveat, that in many cases moving from a fossil fuel based system with rads sized...
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