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: Nov 11, 2026
Hi Welcome to the forum. Please feel free to ask any questions. In order to help can you give a bit more detail about how it locks up, what is ha...
What power do you need at what FT? will thio one do/p> otherwise it looks like a kickspace heater is what you need
Thats better insulated than my 1930s house of about the same size, apart from the loft which is easily and cheaply upgraded (so I would recommend doin...
You need an extra pump that pumps the water from the DHW tank through the heat exchanger which is external to the DHW tank. The other side of the PGE...
I look forward to the further info and will do my best to help. The thing about heating is that the physics is extremely simple indeed but the a...
Thats definitely one option. I also have south facing rooms. One, our main living room has a fan radiator which modulates its fan down and eventual...
PHE plus UVC direct cylinder (no coil) plus pump is cheaper than most heat pump cylinders. However its 'different' and people dont like 'different'. ...
@adamkis the one I have, there is a smaller one but the size difference is quite small and obviously the fan will have to work harder on the smaller o...
Interesting Have you got some examples/evidence you can point to. So far my Vaillant 7kW operated 24x7 open zone no buffer tank is working out 13% ...
I have one Mitsubishi wall mounted fan coil in my otherwise all radiator ASHP system, installed because a passive radiator wouldn't fit. It's in the r...
That is true, there are the most efficient ways to run a heat pump, although not always the cheapest because ToU tarrifs can distort the picture. ...
Thanks for this, good (and useful) analysis! As a matter of interest where did you see that statement, the one I saw (which appears to be bor...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Buffer tank on a 2 x 14kw Ecodan system
@fosterl2, ah, that changes the picture somewhat. I’d a...
By Mars , 2 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 4 hours ago
-
RE: Why don't people choose heat pumps?
@susannasaunders The link I have found may provide a li...
By Toodles , 7 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 1 day ago
-
-
RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
@batpred I mentioned earlier that targeting the payment...
By Toodles , 1 day ago
-
RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 1 day ago
-
Six books in three years and I think I’ve now covered j...
By Mars , 1 day ago
-
RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
@heymikey Well done in achieving as nearer a match acro...
By Toodles , 2 days ago
-
Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
By bontwoody , 2 days ago
-
RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
@jamespa I agree, the efficiency of Cosy Cooler ought...
By Rob of York , 3 days ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
I think you're right! 🤨
By Transparent , 3 days ago
-
RE: Renewables & Heat Pumps in the News
ECO4 muddies the water somewhat, and then some. I thi...
By cathodeRay , 3 days ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
If there is a drain nearby that's exactly what I would ...
By JamesPa , 3 days ago
-
I think that CCGT plant in Lingen is more likely to suc...
By Transparent , 4 days ago
SPONSORS
