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 19, 2026
Great, and good luck! Do take your time, the old think three times, measure twice and cut once routines. If you have any questions, don't hesitate to ...
As I'm on the case... It looks like these are the LG modbus wire connection terminals, from this HA thread:
I think you are in luck. I found this in a LG Therma V manual: Register 30003 looks like the RWT (returning water temp), 30004 the LWT (leavin...
That suggests a possible modbus connection. If you have or can get a service manual for your particular heat pump model, you might be able to find out...
There is another option. Have a bath once a month (whether you need it or not).
This appears to be another example of heat loss calculations over-estimating heat loss significantly, something that old buildings appear to be prone ...
If I have read and copied the Midea data tables correctly, I am not sure I can see much 'efficiency' difference between a smaller heat pump running fl...
Midea and I suspect other manufacturers do have detailed tables of heat pump outputs and i suspect it should in theory at least be possible to compare...
I am not sure we fully understand either the supposedly harmful or indeed the potentially beneficial effects of cycling, eg when a heat pump uses it t...
Not to mention python scripts, but a room stat / timer solution is the sort of thing people can set up without complex knowledge of heat pump controll...
- 27 Forums
- 2,794 Topics
- 66.1 K Posts
- 2,866 Online
- 7,197 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: How quickly would you want/expect heat recovery to take from setback?
That's my worry - Mrs J will be calling the ambulance w...
By AndrewJ , 54 minutes ago
-
RE: Renewables & Heat Pumps in the News
@batpred ‘My Johnny is the only one in step - all the o...
By Toodles , 1 hour ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
By Mars , 1 day ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@razz, as we head into the heating season, I just wante...
By Mars , 1 day ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 3 days ago
-
RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 3 days ago
-
RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 3 days ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 3 days ago
-
RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 3 days ago
-
@bobflux Thank you for your response. I am trying to ...
By RonV. , 3 days ago
-
Bufferless design & control of Chinese air to water monoblock hybrid heat pump in Alberta, Canada
This post is about how I successfully configured a buff...
By Tony.Stolz , 3 days ago
-
The installer visited yesterday and suggested the noise...
By JamesChatz , 3 days ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 3 days ago
-
RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 3 days ago



