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 21, 2026
I completely agree we are paying for underinvestment in infrastructure (arguably due to the effects of privatisation) although electrification drives ...
I guess, but it is only a guess, that the excess demand problem is as much, if not more, in the grid equivalent of the 'last mile' as it is in generat...
I agree with the inference from this comment, namely that weather compensation has been mandated elsewhere for many decades. We didn't which, IMHO, w...
They definitely can be run on pure WC, and arguably its the best method (albeit probably using a temperature sensor as a limiter). However they have ...
Which are... Is there even a heat pump available that either doesnt have an internal IAT sensor or cant take an external thermostat input as a limit s...
@jancold I tend to agree with your analysis The summary says this: Class I – A room thermostat that controls the on/off operation of a heat...
I agree that the UK heating industry is well behind the curve, which accounts in part for the poor heat pump installations that plague this site. The...
Pump speed needs to be sufficient to carry away the energy, any less wont do, any more is wasting energy. The energy carried away is flow rate (l/s)...
That's exactly what my analysis above would predict. After the rise in oat the bit of the house you live in continues, for a while, to lose energy t...
This is definitely an interesting scenario. What I think happens is this. The house fabric starts (when it's cold) with a thermal gradient continual...
Phew! I thought I was going mad. In terms of #2 rapidly warming OAT is an interesting phenomenon in terms of understanding the thermal dynamics of a...
I'm now a bit confused. I thought we had more or less proved that the problem lies with the water pump and thus there is insufficient flow of heat fr...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 1 minute ago
-
RE: Why are ASHP installs so expensive?
And then you look at US electricity prices and weep.
By bornagain , 2 hours ago
-
Depends on what controls the pump! Thats the whole poi...
By JamesPa , 7 hours ago
-
The positive reviews keep coming in for Britain's Heat ...
By Mars , 21 hours ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 1 day ago
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 2 days ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 2 days ago
-
RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 2 days ago
-
RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 2 days ago
-
RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 3 days ago
-
RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 3 days ago
-
RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 3 days ago
-
My feed of random industrial auctions turned up this au...
By Prunus , 3 days ago
-
We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 4 days ago
SPONSORS
