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 27, 2026
Do you know it isnt matching demand, so far as I can see your IAT is staying constant which suggests it is. Edit - Oh - I see what you mean, can...
If the house is warm then its spending its time at min capacity because that's all the energy you need to keep LWT within the set bounds. Sure, cycl...
I completely agree with the last sentence, and have said so on this thread, but... (Almost) without doubt there are circumstances where setback saves ...
In short, the RWT. The emitter loss determines how much the water temperature falls during its passage through the emitters. The heat pump will (or ...
The demand, which is set by the emitters. The heat pump is a slave to the house, not the other way round!
Well for certain not running 24 hrs can be more expensive: Consider a house with very high thermal mass, so high that it barely responds to setbacks...
I have always assumed that they modulate continuously between max and min. Obviously you can only provide the engineering data at a limited number of...
Id be a bit careful with the interpretation of this. If the house only cools by 1C peak (ie an average of 0.5C) for 12 hrs when it's 0 outside then a...
There is a bit more of a quote from the report and its author here The Daily Mail and the Telegraph seem to be responsible for some of the report...
Sorry but that's a bit meaningless as a statement. Too loud in what circumstances? Clearly there are circumstances where they are not too loud eg my...
Very easily. 1m from the boundary is not the same as 1m from an assessment point. The heat pump could be 20m down the garden and right on the bounda...
There are arguments both ways on this and each has its following. Glycol has a higher viscosity and a lower heat capacity than water so may slightly ...
- 27 Forums
- 2,805 Topics
- 66.3 K Posts
- 2,636 Online
- 7,208 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: I need help with Ecodan ASHP
@f1p This is good i wanted to make sure that nothing is...
By Andris , 14 minutes 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 , 3 hours ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders can I just add to @rob-of-york s comm...
By JamesPa , 6 hours ago
-
RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 6 hours ago
-
RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 7 hours ago
-
Good to hear that you found a solution. Absolutely a...
By Batpred , 8 hours ago
-
RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 22 hours ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews I have read you latest response re buffer ...
By JamesPa , 2 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 , 2 days ago
-
-
RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 4 days ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 4 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 4 days ago
-
RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 5 days ago


