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Last seen: Sep 9, 2026
@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...
That is my understanding too, because of safety concerns, eg what if you need an electrically powered medical device of some sort? Turning off the pow...
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Degrees of Separation
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@batpred thanks for getting a copy. Appreciate the supp...
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RE: Vaillant Aurotherm - Heater Wire Position
I have a recent Pro model. It has a condensate drain at...
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RE: Adventures in heat loss calculations
At this point its probably worth pointing out, for futu...
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay @jamespa I've managed to get some nice re...
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RE: 7kW EV Charger Options Advice
Doh, not sure that I was thinking straight there, less ...
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Iām really liking reading through this thread and the r...
By Judith , 2 days ago
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Thank you @trebor12345
By rgabor , 2 days ago
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Great. You just need to find a way of cranking up your...
By JamesPa , 3 days ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
We had two heat pumps installed without Govt funding. H...
By Rob of York , 3 days ago
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My Adapt is finally installed and running! Almost a yea...
By tomasmcguinness , 3 days ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
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