Last seen: Nov 3, 2025
A couple of hopefully helpful comments Vaillant 10kW is the same as the 12kW, just software limited. A neighbour of mine was borderline 7/10kW an...
The order, despite it's title, appears to apply to England and Wales, see article 1
Yes but we have to deal for now with the world as it is not as we would like it to be (whilst seeking to change it at the same time) Householder ...
Yes that's true of course Unfortunately installers all too frequently don't use the correct numbers, and it's not always possible to tell, which is...
It's not really that bad if you just take it methodically, using the knowledge on this forum, and have confidence in your own ability to think logical...
@matwin This post is a real world example of the effects of oversizing and buffers. It's worth reading it and the subsequent discussions.
My gas consumption was 18-20MW/yr. It was 10% higher before I turned down the flow temp to 50 (from 75 which is where the maintainer left it) and sta...
That's a curious conclusion with which I am struggling, not least because I have a fairly comparable situation which doesn't seem to create a conflict...
I don't have much concrete evidence but The only way to explain the discrepancy between my calculated and actual heat loss is to assume ach =0.5 i...
In addition to the above oversizing means you are likely to be running the compressor at an inefficient point on it's modulation curve for much of the...
I don't disagree for a minute with some of the sentiments about gas prices vs electricity etc but, to add some balance to the argument: My heat pump...
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