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 28, 2026
In short they will be making different assumptions about the fabric leading to different loss estimates. The only ways to reconcile are either to ins...
@chastity_outward053simplelogi Diagram looks unduly complex to me but @bobflux will likely suggest mods so I wont comment further other than to say...
Thanks for this, I didn't realise the equation was that simple. I tried to get an estimate of mine a different way by looking at measured temperatu...
Im not sure they will in your case? FCUs are just like any other emitter, the energy they will emit is dependent principally on the flow temperature ...
I cant comment on harmonics but, if I read this flow chart correctly (by the ENA so presumably definitive) a whole load of heat pump insta...
I agree entirely. My heat pump is entirely capable of programmed 'set forward' without resorting to on/off control but, as yet, I haven't tried it, l...
Thats a very good point; as you say the other approach to energy storage is to use the fabric of the building, albeit at the expense of some variation...
I think the answer must be yes, but the cost advantages over a battery probably vanish (and a battery will always be more flexible). Im not sure if s...
@batpred, @sttpd1917 I agree with what @batpred says and would add: Based on the fact the house cools 'significantly' at night then its possible ...
As its using ToU tarrifs then its totally believable so long as it heats the water to a reasonably high temperature when leccy is cheap. Basically ...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
That is not the case. The heating curve adjustment set...
By JamesPa , 17 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 , 21 hours 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 , 22 hours ago
-
RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 1 day ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 1 day 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: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders can I just add to @rob-of-york s comm...
By JamesPa , 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
-
-
RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 5 days ago
SPONSORS
