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: Jun 6, 2025
@drew-pa Hi - I know this is an old thread, but I am doing some work on my system once more, and thought I might say something which I feel is i...
@murchison2003 Understood 👋🏼
@cathoderay It does sound pretty screwy to be honest! I would normally expect fossil fuels to be more expensive than, for example, mains gas (not avai...
@cathoderay Crikey, that is a staggering amount of electricity! The amount and cost doesn’t seem to equate to anything like your old system… and your ...
(with apologies for typos, and errors in grammar. My phone, unilaterally and arbitrarily, decides to change spellings at the last minute, at the point...
@murchison2003 Hi. As before, I’m not necessarily replying just to you, but I am adding my three ha’p’orth (showing my age!) which might add a little ...
G’day 👋🏼 I am delighted that you are delighted! I too am delighted with mine! Although I haven’t gone to the lengths you have to work out your COP –...
@dangermousie Hi. Hmm, not sure your calculation is right there. COP is simply power ie kW of output, divided by kW consumed. My figures come only fro...
Hi Joe - I just found this site. I don't know if this is any help but... I have had a Vaillant Arotherm (not -plus) 8 kW ASHP for about a year now. Do...
@webcmg Hello. I know this is an old thread, but I have just had Vaillant ASHP fitted, and am working my way round how to get the best out of it. The ...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 27 minutes ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 6 hours ago
-
RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 11 hours ago
-
-
RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
-
RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
-
RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
-
It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
-
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 , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
-
RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
-
RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
SPONSORS
