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Last seen: Sep 9, 2026
Somehow I managed to screw up the x-axis in the second chart in the post above - here is the chart with the correct x-axis labels (can't edit the prev...
@batalto - they are invasive meters, and very pricey. The electricity in (in kWh) I can do from the blinking LED on my ASHP dedicated meter, the flow/...
Don't forget people are heat sources. If you had a number of house guests, you had a number of mobile radiators/convectors... Estimates vary as to how...
Empirical heat loss assessments, done of a cold design temp day, tend to get sniffed at these days, but in fact I think it may be one of the most accu...
Thanks @robl, that's all very helpful. I have also been googling away, and it appears there are clamp on ultrasound flow meters, which solves the inte...
For the record, I have just across this interesting page on flow rates, which also has a very useful flow rate calculator at the bottom for both water...
@robl - thanks for the details. Ā£8 per sensor is affordable, but given more standard flow meters cost hundreds of pounds, I would want to be sure the ...
Thank you all for your comments. A significant amount of my time is very pertinent, I have already spent many hours on this, which I am happy to do (i...
Thank you all very much for your input. I think I am approaching the point where I am ready to start getting some hardware, and starting some monito...
I've just tried temporarily increasing the warm end of the weather comp curve by ten degrees. Flow rate effectively remained unchanged, at 1.41 to 1.4...
I know that Evergreen and Homely are one and the same, what I wanted to be sure about is whether @jswhite's Evergreen are one and the same. I think we...
This is a huge factor these days, and heating, of rather lack of it because of unaffordability, is a health problem too. But there is no getting round...
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Degrees of Separation
Latest Posts
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@batpred thanks for getting a copy. Appreciate the supp...
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RE: Vaillant Aurotherm - Heater Wire Position
I have a recent Pro model. It has a condensate drain at...
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RE: Adventures in heat loss calculations
At this point its probably worth pointing out, for futu...
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 12 hours ago
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay @jamespa I've managed to get some nice re...
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RE: 7kW EV Charger Options Advice
Doh, not sure that I was thinking straight there, less ...
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Iām really liking reading through this thread and the r...
By Judith , 2 days ago
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Thank you @trebor12345
By rgabor , 2 days ago
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Great. You just need to find a way of cranking up your...
By JamesPa , 3 days ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
We had two heat pumps installed without Govt funding. H...
By Rob of York , 3 days ago
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My Adapt is finally installed and running! Almost a yea...
By tomasmcguinness , 3 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 , 5 days ago
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