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 14, 2026
If you leave the doors open very likely not. Rooms share heat anyway, with open doors more so. One unit on each floor may well do the job. Electric...
because historically heat pumps couldn't reach sufficiently high FT to heat a cylinder with the default coil size of 0.6 sq m. Since R290 heat pumps ...
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 ...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu Perhaps Greg should approach the Orangeman - ...
By Toodles , 3 minutes ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
My first reaction is that these are prima facie much of...
By JamesPa , 2 hours ago
-
RE: Is it the house or the equipment?
Thanks for that @rob-of-york. The two way split I descr...
By springswood , 3 hours ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
If it's a separate contract then it would not be zero r...
By JamesPa , 5 hours ago
-
RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 15 hours ago
-
Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 16 hours ago
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 18 hours ago
-
RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 2 days ago
-
No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days ago
-
RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 3 days ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 3 days ago
-
RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 3 days ago
-
RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
-
RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 4 days ago
SPONSORS
