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Last seen: Sep 5, 2026
My figures for Jan 2024 and 2025 (only years with complete data, smallish three bedroom cottage): Jan 2024 Mean OAT 6.02 degrees, All ASHP 1591.14kW...
I think it is more accurate to say filters that incorporate a shut off valve (that allows you to open and clean it)! The installer needs to go back to...
Not on github, haven't gone down that route. Here's the script I currently have running, should be self-explanatory if you know python basics. Zipped ...
And then just look at them there formulas! I think the benefit is all three of us understand how science works, but from different viewpoints. ...
Names do matter, because what they refer to are different things. Sloppy language = sloppy thinking. If you need to increase the volume of water, then...
Here's an interim chart for the last week, with key events added (CC3->CC1 is the secondary circulating pump setting):
I should add that there is another problem we have been trying to solve, so far without success, the question of how much setbacks (eg an overnight se...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 4 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 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 , 15 hours 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 , 1 day 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 , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day 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 , 2 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 , 2 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 , 4 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 , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
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