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: Mar 31, 2026
Just for the record here @derek-m and @hughf I re-discovered the brochure below which I think describes the system I have (more or less) - a snapshot ...
Too funny @batalto...in our case, our geometra/ project manager and electrician conspired to order us an ASHP that drew 6kW of power in use...when the...
Hi @derek-m - thanks once again for feedback. Its clear to me now that I'll need to use the offset to adjust the WC curve and thereby produce a differ...
Hi @derek-m, Many thanks for this, most interesting and helpful. So – we have lift-off and I switched the system on last Friday evening (25/11) with...
Hi @derek-m thanks again for reply. Yes we have an ‘outdoor unit’ (‘the big fan’) and an ‘indoor unit’ (‘the big grey box’), and the Altherma ST therm...
Hi @derek-m thanks for this explanation - makes sense and provides ample background for discussions with Daikin at my end. It does sound like the sola...
@derek-m Electricity here is pretty pricey at the moment - 55c for daytime (F1 - Mon to Fri 8am to 7pm) use and 52c for all other times so there's a s...
Hi @hughf and @derek-m - below are some photos of the pipework (the insulation is awful and I'll be re-doing it this winter - promise!) and the top of...
Many thanks @derek-m and @hughf this is terrific advice and background on how this system works which has been bamboozling me for a while. I'll certai...
Hi @transparent thanks for this - yes I mis-spoke about the cold water - it may sound a bit daft but I didn't even understand until relatively recentl...
Hmmm not entirely sure that's something I wanted on my CV...oh well, it is what it is and hopefully it can still keep us warm this winter! 😀
Hi @hughf very interesting comments - I have a very limited understanding of how this all works so please forgive anything I say that seems naive! Wha...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Heat pump installation quotations
That will be absolutely murdering your energy efficienc...
By EtchedPixels , 4 hours ago
-
RE: Harvest Thermal - ASHP with a smart thermal battery
The cooling side works much better if you can figure ou...
By EtchedPixels , 4 hours ago
-
Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 5 hours ago
-
After an intense recode, I’m pleased to announce that w...
By Mars , 5 hours ago
-
Why do you want to maintain a specific deltaT? The out...
By JamesPa , 7 hours ago
-
Hopefully this will answer your question. To...
By ASHP-BOBBA , 7 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 7 hours ago
-
Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 9 hours ago
-
RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 9 hours ago
-
RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 13 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 13 hours ago
-
RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 14 hours ago
-
RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 17 hours ago
-
RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 2 days ago
SPONSORS
