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 20, 2026
Here are charts of @derek-m's model predictions vs my observed (based on amps x volts) values for energy in (PI in @derek-m's spreadsheet), first scat...
@derek-m - thanks. I've got various other things to be getting on with today, but later on I will plot the two predictions against the observed values...
@derek-m - another reason why folks might be wary of posting their observations is that they know if they do, they are likely to get a pasting. Also a...
You may be right. I had in mind a sort of over-running, heat that has been generated, and is visible in the LWT, but has yet to be distributed. Consid...
Equally, folks might want to complain, not getting the performance they hoped they would get etc etc. There's no shortage of such complaints about oth...
@newhouse87 - I agree, the few people who have reported their findings (very much to their credit, if only others would, then we would have a better o...
No need to get sarky again. As far as I have been able to ascertain, the secondary pump always runs when the heating is on, as in the thermostat is ...
I've added a column, comp_on, 0 for off, 1 for on, based on amps > 0 or not. Note the htg_on_off and dhw_on_off columns are based on the three port...
It's not you I don't trust, it is any human being (me included), as it is impossible not to see the data in the file! The fan speed might be a prox...
I daresay this chart may be of some interest, because it covers a three day period of unusually stable outside air temps while running a six hour over...
Thanks, that would be very helpful, though some of the data you ask for is easier said than done (replies in bold): It is going to take a little ...
This sort of abrasive remark does you no credit. There is no argument about whether the laws of physics apply, I accept them just as much as you do. N...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: 15kw pump for 225m2 1990's house - over kill?
@editor sorry should have been clearer - the whole hous...
By Carpenterstation , 3 hours ago
-
RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
Maybe this is why Octopus and Fuse are hell bent on plu...
By dansus , 4 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
@editor Manually setting the charging times and rates o...
By dansus , 5 hours ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
Ours is similar to James, but with a few optional tweak...
By Batpred , 7 hours ago
-
RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 8 hours ago
-
RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
My Vodafone FTTP broadband was down for a month when I ...
By JamesPa , 12 hours ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 14 hours ago
-
My heating has been off and DHW on throughout the summe...
By DavidAlgarve , 17 hours ago
-
RE: Anyone concerned about GivEnergy?
The GivE forum seemed to have survived the collapse of ...
By downfield , 18 hours ago
-
RE: How quickly would you want/expect heat recovery to take from setback?
@singlespeed I had better explain how my radiators are ...
By Toodles , 18 hours ago
-
RE: Cooling/heating with one unit
@mrkfm The Solo has a small capacity and only suitable ...
By dgclimatecontrol , 19 hours ago
-
First you need to know how much thermal energy you'll n...
By bobflux , 1 day ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
By Mars , 3 days ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 4 days ago
-
RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 4 days ago
SPONSORS
