Last seen: Jan 13, 2026
It will be good then to see some plots tomorrow morning to compare! I'm beginning to wonder from your description if it's delaying starting defrost...
I have one fancoil in an otherwise all radiator system. I am working on adding diy fan assistance to another radiator. The latter is for cooling onl...
I can't comment on the defrost algorithm or numbers. If the heat pump is not recovering temperature after defrost, I would turn off night shift. Be...
I would describe the Vaillant app as pretty reasonable-good. You can change set temperature (which actually shifts the WC curve), change the wc curve...
I apologise if I have contributed to that, it certainly was not my intention.
No. Obviously it cant do anything at all when there is a power cut! Otherwise I would hope it prioritizes defrost over absolutely everything else...
So you make it in the West Country and transport it elsewhere for applications that can stand the cost, which some can becasue the alternatives are as...
In fairness we did something like that in the 1970s when we moved from coal gas to North Sea gas. I have hear it said that, because hydrogen is so s...
Congratulations. I know myself how nerve racking it is the first time you take the top off of something like this. I added the 'cooling coding plu...
@solenoid Its probably worth adding that, done well, going through this process is likely to offer a noticeable improvement in comfort relative to sy...
Which is the sort of thing that scares me. How can this ever be sensible/cost effective by comparison to fitting heat pumps, for the reasons set out ...
OK, perhaps you could have made that clear so that readers don't imagine that using hydrogen for domestic boilers is even faintly sensible (unless I a...
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