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Last seen: Aug 6, 2026
Its definitely quite complicated and as I say whole house backup with PV off grid is very much not yet mainstream. I havent gone ahead with a battery...
OK so here are my thoughts. Your panels and battery fundamentally dont in principle need changing, they are not where the 'smarts' are. The issue i...
FWIW I have been investigating battery recently (for about the 4th time - basically I struggle to make the business case work) and my judgement of the...
In general they aren't and he is wrong. End of in almost all cases. That said Aira are essentially vertically integrated so can actually set up th...
In general they aren't and he is wrong. End of in almost all cases. That said Aira are essentially vertically integrated so can actually set up th...
@little-lights Done properly an ASHP will almost certainly give you greater comfort for similar or lower running costs even in 'normal' times witho...
Fair enough. Its interesting that opentherm (for boilers) has been around for decades but several large manufacturers, eg Vaillant, didn't adopt it ...
A tank solely in the return (upstream of where the return from the DHW joins so that it is not engaged during a DHW run) will do no harm but as you sa...
Well yes, but thats a level of complexity thats a nice to have not essential, so expecting regulation to mandate that it can be cloud independent is s...
Is there actually any example of something that doesn't meet the spec you outline? Whatever the answer I agree it's not reasonable, but that's how c...
Fully agreed and there is an alternative which for many will be better, namely to use the native controllers. I don't have a battery but I do have PV...
So the red bars are 'DHW' and the yellow bars 'heating', corresponding to the colours at the bottom. This shows 1kWh for 'DHW' per day and perhaps 0....
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