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 16, 2026
Are they saying that your original system (pre heat pump) was direct (mains pressure). If so you wouldn't have had any tank in the loft and you shoul...
If you do go down this route: No need to switch to smaller radiators, you can just operate the boiler at a lower temp which will be both more effi...
I cant argue with your logic. I think most installers, rightly or wrongly, assume the DHW circuit will be OK or alternatively include the volume in...
Can you quote a reference for that requirement for the requirement on volumiser location in a Samsung system, Im struggling with the logic. Whilst I...
This was debated at length about a year ago on here. It doens't make an enormous difference but yes in the flow and after the diverter valve, so that...
Thats not going to work if you have a buffer, low loss header or plate heat exchanger between heat pump and emitters, unless you also remove the inter...
I think the above posts are spot on, the noise is most likely the 'secondary' pump which could reasonably be designed out. Alternatively I have heard...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Why are ASHP installs so expensive?
I am not sure I agree that most HP buyers do not know m...
By Batpred , 41 minutes ago
-
RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 20 hours ago
-
We kept ours and Heat Geek would have been in touch if ...
By Batpred , 1 day ago
-
RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 1 day ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 1 day ago
-
RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 1 day ago
-
RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 2 days ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 2 days ago
-
RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 2 days 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 , 3 days 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 , 4 days ago
-
RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 5 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 , 5 days ago
SPONSORS
