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 29, 2026
Did he have a choice? Given their (alleged) deceitfulness, I suspect Drax have stitched things up so well (either in the contract or in terms of depe...
No. I am suggesting, based on what ashp-bobba has shown (and a bit of common sense) that the 'standard' practice of replacing existing DHW cylinders ...
That's really good info and presumably could in principle be achieved without adia. I have for some time questioned the business case for a cylinder...
How true, and an argument I am having elsewhere with those who want every ASHP installation to be totally bespoke, even at the end of the market where...
Thanks for the comments. Are you suggesting 'awful electric heater's as an interim measure or permanently and who are you thinking about when you say...
Definitely. If I were you I would read up a bit on the engineering topic of 'control theory'. This deals with how you control real world systems wh...
@ashp-bobba thanks for those comments, I was going to name check you in the hope of a response but now I don't have to! My perception, rightly or wr...
Thats a fair observation and one that had crossed my mind. Of course anyone could do subsequent radiator upgrades but Im not sure a homeowner would f...
If they are waterproof (ie closed cell) I cant see a problem with this, maybe others can! In fact an expansion gap makes sense.
Thats a good point. A 6kW heat pump will invariably be specified to need a 16A circuit. Many CUs can have one easily added, for others a mini CU is ...
As @bobflux says this is unlikely to work. In principle no because, by adjusting the flow temp according to the outside temperature you are match...
Is that actually closed cell insulation designed for outdoor use or ordinary internal insulation, If its the latter it all needs to be stripped off a...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I agree with @jamespa, I think that yo...
By Rob of York , 9 minutes ago
-
Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
The funding for the BUS grant appears to have been subj...
By Rob of York , 59 minutes ago
-
Hi, I had Marvel Heating install a heat pum...
By davidnolan22 , 2 hours ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 4 hours ago
-
RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 1 day ago
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 1 day ago
-
RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 2 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 2 days ago
-
RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 2 days ago
-
RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 2 days ago
-
RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 2 days ago
-
Good to hear that you found a solution. Absolutely a...
By Batpred , 2 days ago
-
RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 3 days ago
-
RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 4 days ago
SPONSORS
