Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re 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 8, 2026
Do you have a source reference to Viessman's manuals where this approach is described by them? Well, yeees... but where is the sensor ...
I have one of those... a Thermal Store. In my case the secondary heat source is a solar-thermal array, which has its own coil at the bottom of the 2...
I too have a private water supply. It's a well holding around 10,000-litres, and was blasted with dynamite when you were still allowed to do such thin...
Guildford is a University town. If Jon were there, there a reasonably high probability that the local data he'd want is already made available for use...
Did Jon opt to use ERA5 data...? ... or was it Claude's choice? @jon - please join in here. This is a discussion topic rather than a th...
@jon - I'm finding this particularly difficult to follow because it's all text! Can you not post the graphs on which your comments are based? &nbs...
That makes sense, and concurs with a lot of online chatter from 'influencers'. Check the rules on using a dedicated hardwired connection to your bal...
A couple more points about placing solar panels at low level: Unlike an installation on a high-roof, panels on a shed or garage are less likely to b...
Let's deal with mounting systems first. You don't have to use a proprietary brand of aluminium rails. The shipping costs can be prohibitively expens...
Earthing of roof-rails and roof-mounted solar panels is not required in the UK. If you get a shock from touching them, then why are you sitting on t...
Good questions. There's a lot to explain here. Renusol is a German PV Panel roof-mounting brand, and available in the UK from Midsummer Wholesale. ...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Adventures in heat loss calculations
Agree with the first paragraph (I said roughly the same...
By JamesPa , 6 minutes 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 , 6 hours ago
-
RE: 7kW EV Charger Options Advice
Doh, not sure that I was thinking straight there, less ...
By Rusty , 8 hours ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
I’m really liking reading through this thread and the r...
By Judith , 9 hours ago
-
Thank you @trebor12345
By rgabor , 11 hours ago
-
Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 1 day 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 , 1 day 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 , 1 day ago
-
My Adapt is finally installed and running! Almost a yea...
By tomasmcguinness , 1 day ago
-
-
RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 4 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 , 4 days ago
-
RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 4 days ago
-
RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 4 days ago
-
It’s been out a few days and Amazon has already attache...
By Mars , 4 days ago
SPONSORS
