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Last seen: Aug 13, 2026
@jamespa not sure what you mean… is that a theoretical comment or a comment from experience.?
First thought is that cycling is a designed in process. And Mitsubishi appears to to have a 20 minute minimum run time for normal operation with 3 to ...
Great discussion @heatgeek and @robs. Nice and simple language and clarity of a complex topic. For me it’s all about the specifics with no, or limited...
“Don’t bother with solar DHW auto cool-down in March….” They said. ”It’ll never get too hot ‘caus the sun is too low…..!?” oops - another few da...
@editor… this sounds like a huge undertaking with a great service. best of luck with this new venture.
Hi @richard24738 we weren’t happy with our FTC Controller being installed in our cylinder cupboard. The ftc controller is supplied with a single ...
Possibly 40c vs 30c flow has something to do with it…. Inevitably temp is what melts quicker. But what the graphs seem to show is both our Flow temps ...
Good call on the need for a beer.. that’s exactly what I did. As you say, your system appears to have plenty of emitter capacity for your HP size...
@abernyte - you really can’t be too careful.... alas there is possibly another complication in the evidence..... @davidnolan22 has a Low Loss Header f...
That’s a really good question. Ive been trying to find a clearer explanation of what specifically is the purpose or effect of increased volume in the ...
@editor I have been persuaded by the argument that you have been stating that the correct placement for the volumiser should indeed be on the flow sid...
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Degrees of Separation
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
OK. If you had two different flow temps and were going ...
By bobflux , 2 hours ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
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RE: Solar Power Output – Let’s Compare Generation Figures
Possibly useful to look at 3 months Jun, Jul, Aug and c...
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RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv definitely a larger inverter will help and m...
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
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RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
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This has turned into a fascinating little rabbit hole. ...
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Last winter my battery ,32KWh, could run the house com...
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There is another estimator that you could use, a formul...
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
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