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Last seen: Sep 6, 2026
I wasn't looking for correlation, just gross eyeball differences between SB and no SB running. As I said, I can't think of any other way of presenting...
At least the ceiling got plastered, not me! Make of this quick and dirty analysis what you will. Actually, it wasn't that quick, because it involved...
@jamespa - thanks, will get back to this later, I am about to get stuck in to some ceiling repairs!
It does vary. Here is the chart again: On this chart it is more often 2-3 degrees. You can also the the warming caused by the heat pump turning of...
It was probably me, but I think it also applies to many if not most heat pumps, because the immediate environment, specifically the air temperature, i...
Sorry, I hope it is all there, but I didn't explain it well. Starting with your IAT/OAT delta t values (19/10 to 16/10 for 6 hours etc), instead of ...
The AUC calculations I did were for the whole week, with hourly intervals. I think the idea that daily setbacks put the whole in a 'different place'...
Another thought has occurred to me. Maybe the monolithic house, once it is up to temperature, is such a huge heat (energy) store that you can turn off...
I deliberately used the regression equation from test week, so they should be representative. The average IAT did change over the period, but only sli...
I do quite a lot of sailing, which is why I am interested in forecast accuracy, particularly for wind speed and direction, but also for visibility, he...
I agree, but I think there are sufficient caveats. In particular, my post that reported my findings ended with a statement that my findings were not d...
This is an important point, the effects of poor (and for that matter mediocre and good) design and adjustment are effectively unknown unknowns. While ...
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
Or where you can fix the pwm% as you can eg with Vaulla...
By JamesPa , 10 hours ago
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay and others. I think there may be some con...
By JamesPa , 10 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 2 days ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 2 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 2 days ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 3 days ago
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It’s been out a few days and Amazon has already attache...
By Mars , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 3 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 5 days 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...
By Old_Scientist , 6 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 1 week ago
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