Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering youāll be able to ask questions, join discussions, follow topics youāre interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Sep 9, 2026
A first quick plot, to see if I am wasting my time or not: all hourly data for the entire period I have data for, 25 March 2023 to date, OAT vs energy...
Unless you have hourly or shorter time intervals for your data, it would be very difficult to analyse fossil fuel use in the way I suggest. In the cas...
@jamespa - I still think you are over-complicating this. How about trying this approach, which I can do with the data I have: (1) running under weat...
Yes, to recover from your pointless bickering. I'm rather surprised you didn't have a go at the nigh typo. Lately I have need more like 18 hours, and ...
Don't you just love official Local Council English! Reagan's nine most terrifying words in the English language also spring to mind...
@derek-m - I did not request any test, I directed a question at @jamespa, and with your razor sharp intellect you must have known it was a hypothetica...
@jamespa - I am reminded of another old saw of mine, better a good enough answer to the right question than an exact answer to the wrong question. I t...
By and large I agree, but I don't give the two (experiment and theory) equal weight. Given accurate enough experimental data, it always trumps theory,...
That's great, it's all I wanted to know, how you got to the number you used. Given there is no standard way to get it, using a number that produces sa...
What I am getting at and what in fact I said was that in effect it becomes a black box, in part because of the complexity of the overall design, but m...
Interesting, I will give it some thought. Python is good at automated data collection, and even a goon like me can write the code, given @derek-m's he...
For the umpteenth time, and for the avoidance of all doubt whatsoever and forever, I am not denigrating you. What I am doing is vigorously questioning...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Adventures in heat loss calculations
That is a very good point which I hadn't taken into acc...
By cathodeRay , 41 minutes ago
-
I bought it, read it, enjoyed it. Despite my earlier c...
By JamesPa , 4 hours ago
-
RE: Tell us about your Solar (PV) setup
Our PV set-up has moved over time. Warning this is a sh...
By Judith , 17 hours ago
-
RE: Where heat loss surveys seem to go against practical reality
@cathoderay @jamespa I've managed to get some nice re...
By Rob of York , 1 day ago
-
RE: 7kW EV Charger Options Advice
Doh, not sure that I was thinking straight there, less ...
By Rusty , 1 day ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Iām really liking reading through this thread and the r...
By Judith , 1 day ago
-
Thank you @trebor12345
By rgabor , 1 day ago
-
Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 2 days ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
Great. You just need to find a way of cranking up your...
By JamesPa , 2 days ago
-
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 , 2 days ago
-
My Adapt is finally installed and running! Almost a yea...
By tomasmcguinness , 2 days ago
-
-
RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 5 days ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 5 days ago
SPONSORS
