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Last seen: Sep 8, 2026
@jamespa - perhaps more importantly, recall that we are using a corrected energy in, the 1.18 correction factor that (on average) brings the calculate...
(a) this is in fact something of an unknown. The external kWh meter reads all energy going in to the heat pump, and as both circulating pumps are supp...
@jamespa is using my data, meaning I can explain how the setbacks are done, and the other factors involved: (1) my system is always on weather compe...
I agree, and I hope you will agree that this is what beneficial collaboration can achieve, which I think it is fair to say is still happening here, de...
@jamespa - I have no doubt at all in my mind that you are a fair and good-natured person, based on what I have seen on this forum. You have also genui...
No one likes being told they come across as being patronising and arrogant, all the more so if they really are that way. I wrote that earlier remark (...
There is a difference between what in medicine we call clinical significance and statistical significance (which is boils down to a test of how likely...
@sunandair - I am very aware that at times @jamepa and @derek-m can come across as patronising self-appointed experts who know it all, and the rest of...
The latest analysis by @jamespa of my Midea data (see recent posts in this thread) suggests the savings may be higher, around 20%, for a six hour over...
It isn't 'very simple', but for systems that have a modbus interface, it is very possible to get a lot of data. Here is the last two days data from my...
@jamespa - I am continuing to collect data, which will only apply to my compromised ungeneralisable setup in the conditions in which it was collected,...
@kev-m - I think you may be onto something, an average hiding detail. Here's a zoom in on three defrosts over a two hour period on a recent cold morni...
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Degrees of Separation
Latest Posts
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Sent you a private email with contact details for direc...
By trebor12345 , 10 minutes ago
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RE: Where heat loss surveys seem to go against practical reality
@rob-of-york — I have total energy delivered plus separ...
By cathodeRay , 14 minutes ago
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RE: 7kW EV Charger Options Advice
@rusty Looks like there’s plenty of room in there for a...
By AndrewJ , 9 hours ago
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 15 hours 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 , 16 hours 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 , 16 hours ago
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My Adapt is finally installed and running! Almost a yea...
By tomasmcguinness , 23 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 , 3 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 , 4 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 4 days ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 4 days ago
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It’s been out a few days and Amazon has already attache...
By Mars , 4 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 , 4 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 , 4 days ago
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