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
@fazel - that is much more what i would expect, and the chart is 1000 times more informative than vague statements that may or may not mention relevan...
I'm sorry, but what may be obvious to you as the writer is not necessarily obvious to the reader. I took it to mean an all round cold start, not a col...
@marvinator80 - I was suggesting that "It was turned on at 6pm and from a cold start in -10 temperatures and dropping we had heat and hot water that e...
@minos - do you have access to historical data and charts on your controller/app or whatever you have? If so, you can look at the data and perhaps see...
@iancalderbank - thanks as ever for your helpful detailed response. I might yet cave in and end up using either ESP (electrical) or the emonHP systems...
I wonder if the numbers are the wrong way round? Perhaps should be 19/5 used, 37/15 delivered. Interesting to note that your tank temp drop behaviou...
We may have covered this before, if so apologies: how do you get the DS18B20 data into your monitoring system? I rather suspect the answer is going to...
I have been looking at these, but they are not easily integrated, so far as I can see, into a (and my) USB connected modbus wired system, because the ...
You must have very long evenings! Or the house was already at near design temps despite it being -10 outside, or it is a very low heat loss house with...
Not at all! The real world is much more complicated, none or two or more patients might have died (it's a small sample; maybe all the relevant risk fa...
That's going back quite some time! I used to do little sketches to achieve the same thing. This allows me to introduce another of my pet concept...
I need to formulate (maybe even model?) what are currently rather vague thoughts about terminology, but what I am getting at is the idea that in days ...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Adventures in heat loss calculations
@jamespa and @rob-of-york ā thank you both very much I ...
By cathodeRay , 33 minutes ago
-
RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 2 hours ago
-
Interesting also to see his comment on the heating indu...
By JamesPa , 2 hours ago
-
Vaillant Aurotherm - Heater Wire Position
I wanted to check the actual position of the Heating Wi...
By trebor12345 , 3 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
SPONSORS
