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 23, 2026
Is it a volumiser (2 ports) or a low loss header (4 ports). The latter can be a bit of a disaster if setup incorrectly, which is probably more likely ...
No offence intended, the comments were meant simply to reflect the facts that: 1. when developing a model for a class of system, its often a good id...
At this stage I will very happily settle for the same to within a factor of 2, given that they are from two completely independent approaches based on...
Thanks for the data health warning. I was struck by just how much difference adjusting for change in IAT made to the degree of correlation (have a lo...
The data should be capable of telling us the amount of energy contributed by other sources, it should appear as an intercept in the correlation curve,...
Thanks. I think your adjustment has the effect of moving the curve up or down, and mine the effect of changing the distribution. They are thus diffe...
Can you clarify whether this was composed after or before my post at 10.05. I have the impression before, but I could be wrong. Essentially my 10.05...
@cathoderay @derek-m I think I am making some progress untangling the data above provided by @cathoderay. The raw data showed a tolerable, but no...
@cathoderay Not an answer just some more analysis to ponder. Here is a table, taken directly from the minute by minute data, of heating energy (from...
Thats almost certainly a part of it. What I also suspect is that the previous 24hrs matters a lot, and so far as I can tell from the graphs the OAT w...
It would be interesting to answer this. Can you post the two graphs you are comparing and also the previous 24hrs on each case?
Definitely worth a read but not earth shattering. It hints at some minor tweaks to pd rights, but no revolution. Interestingly it repeatedly states ...
- 27 Forums
- 2,774 Topics
- 65.4 K Posts
- 2,255 Online
- 7,177 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Solar Power Output – Let’s Compare Generation Figures
@downfield I was seriously considering Tide Lifestyl...
By Papahuhu , 2 hours ago
-
RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
By Singlespeed , 3 hours ago
-
RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
By Rob of York , 11 hours ago
-
@mrkfm, I’m definitely not trying to put anyone off get...
By Mars , 1 day ago
-
RE: Why are ASHP installs so expensive?
Posted by: @springswood I confess to becoming a litt...
By Rob of York , 1 day ago
-
Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 1 day ago
-
RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 2 days ago
-
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 , 2 days ago
-
Depends on what controls the pump! Thats the whole poi...
By JamesPa , 3 days ago
-
The positive reviews keep coming in for Britain's Heat ...
By Mars , 3 days 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 , 3 days 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 , 4 days ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 4 days ago
-
RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 4 days ago



