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 22, 2026
@scrchngwsl - very interesting, and thanks for writing it up in so much detail. A couple of thoughts: (a) at the end of the day, there is really onl...
Absolutely! One is complex and obscure, full of endless indents meaningless to man, the other is simple and transparent. That is the whole point!
Pretty much par for the course, though my installer was better, he not only suggested the volumiser in the first place when I mentioned the short cycl...
I have the SDM120 without the M suffix. M is for modbus... I could get it changed over but it would need a qualified electrician (I don't think DIY ...
Yes, I agree, it is an interesting thread, and further confirms the smoke and mirrors we are up against. This is important information! Context m...
FWIW, I have calculated the weekly and overall discrepancies between my Class 1/Class B external heat pump only kWh meter (I think I am right in sayin...
An intriguing idea. But might it add additional complexity without any real benefit? Put another way, is there any harm associated with having a volum...
It might account for about a 10% difference (specific heat 4.2 vs 3.8), but it all depends on how Samsung (and Midea and all the others) do their calc...
But Samsung appear to claim (boast) COPs of 4 point something (with LWT at 35 degrees) and we must assume that is a downhill with a following wind COP...
@william1066 - are those COPs credible? I ask, because if they are not, then the underlying data is suspect. The 700W input isn't that remarkable, giv...
I wonder what peoples' views are on using a volumiser to reduce cycling. The idea as I understand it is that by increasing the circulating volume (whi...
More Home Assistant sh!te - why you really need Home Assistant like you need a hole in the head. After being nagged, I manually updated the HA core/OS...
- 27 Forums
- 2,798 Topics
- 66.2 K Posts
- 2,264 Online
- 7,205 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 25 minutes ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
@hml1827 I've just checked our server and can confirm t...
By Mars , 2 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
@editor We will check and get back to you soon.
By Indevolt Tech , 4 hours ago
-
@transparent we’re still running a secure version of PH...
By Mars , 4 hours ago
-
RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 19 hours ago
-
RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 20 hours ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 20 hours ago
-
RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 22 hours ago
-
RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 22 hours ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 23 hours ago
-
RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
Both of which (in most cases) use Openreach for the las...
By JamesPa , 1 day ago
-
RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 2 days 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 , 2 days ago
-
My heating has been off and DHW on throughout the summe...
By DavidAlgarve , 2 days ago



