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: Oct 12, 2026
Do you happen to know if it a buffer (4 port) or a volumiser (2 port). A volumiser is sufficient for defrost cycles.
@bromide @mikeh @editor This is interesting indeed. It is undoubtedly the case that buffer tanks can work, the problem is that they are generally t...
With a well designed system with a tolerably well insulated house that is true, or thereabouts. Not only for efficiency but also for cost. There are...
That sounds suspiciously like an argument by an installer who just wants to replace cylinders at any cost to the customer, hasn't got a technical argu...
If you know what you need the maths is straightforward. Assume water in is at 10C and shower water at 40C. The heat capacity of water is 4.2kJ/lC ...
It's worth adding that you don't need to disagree to exercise different choices, you may just have different circumstances. If you have loads of ca...
So true, possibly with the exception of people you wouldn't want as customers anyway! A clear, honest explanation demonstrates understanding (both o...
OK so if I read this correctly your main objection is marketing, and particularly the potential perception-shaping effect together, just like me, with...
or you can add a circulator pump and PHE (instead of the coli) to re-use an existing cylinder with an ASHP in some cases, particularly if you hav...
Im know that we relatively rarely disagree, but on this occasion but I do disagree, quite strongly in fact. The 'zero disruption' bit is a piece of...
Sorry but the document I quoted is a requirement for an MCS installation and specifically specifies different design temperatures for bedroom (where p...
If I were in your shoes I would absolutely want to get an independent handle on loss based on actual measurement given that, from what you have said, ...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Why are ASHP installs so expensive?
@rob-of-york I think the most revealing question here i...
By Mars , 15 minutes ago
-
RE: Does anyone have experience of a smart water meter?
@downfield You are opening a whole can of cans there!
By Toodles , 16 minutes ago
-
RE: Renewables & Heat Pumps in the News
@majordennisbloodnok the argument you cite from that TE...
By Transparent , 2 hours ago
-
RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
I found some interesting data about the price of heat p...
By Rob of York , 5 hours ago
-
RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
Thanks for that, quite interesting. I liked the bit a...
By springswood , 6 hours ago
-
RE: PV and battery long payback - sense check query
Thanks for all the comments. I finally got to the bott...
By DavidB , 7 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
People following this thread who are hoping that plug i...
By JamesPa , 17 hours ago
-
Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
Whilst searching for other information I came across th...
By JamesPa , 17 hours ago
-
RE: Passiv Smart Thermostat - Help & Forum Support
By Singlespeed , 19 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
just had Vaillant over to service the HP and asked abou...
By AdamK , 19 hours ago
-
RE: tepeo ZEB UK Support & Info Thread
OK so ZEB is basically a variant on a storage heater, b...
By JamesPa , 2 days ago
-
RE: Heat Geek installations: share your experiences
@editor I suspect that the Heat Geek online quote is a ...
By AndrewJ , 2 days ago
-
RE: Adding additional Solar Panels to a DC coupled battery system
Ah, yes. Thanks for clarifying.
By Transparent , 2 days ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
@trebor12345 I have been meaning to get home assista...
By Batpred , 3 days ago
SPONSORS
