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: Aug 21, 2026
Interesting. A triple dip might well extend the range of houses for which batch heating (with an oversized pump run at a higher than optimum temperat...
As others have said the foundation issue is debatable. You don't actually say whether the installer fitted the slabs initially or whether they were p...
@toodles blood is an autocorruption of blip!
My solar diverter achieves zero export plus/minus about 80W. I imagine that any other technology, eg a battery or car charge controller, relying on m...
Nothing wrong in my view with high temperature heat pumps provided you don't run them at high temperature, at least for the space heating. In realit...
In most cases you are correct, they reduce efficiency. However fitters think they reduce call outs and in some circumstances they are correct. From ...
I understand the risk, but unless you compel all heat pumps to be 16kW plus, the possibility of undersizing to save capital cost is always present. T...
SCOP at 35 is quoted as 3.98, but from posts here and elsewhere I have the impression that Octopus are targeting conventional retrofits, so 35 may be ...
Yes but...Octopus are an energy company so are in a position to manipulate price if it makes other technology choices easier. And anyway the SCOP of ...
@technogeek I have a couple of comments/questions Buffers can a) increase the engaged system volume, which may reduce cycling time (because...
Fair enough. There is an exception to every rule of course (I said 'in general terms'), which is why heat pump systems (and central heating in genera...
My understanding is that it uses the WC settings as a starting point. Exactly what it does from there and whether it 'times out' any measured modific...
- 27 Forums
- 2,747 Topics
- 64.6 K Posts
- 621 Online
- 7,155 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@old_scientist I’m thinking along the lines of a multis...
By Toodles , 17 hours ago
-
Britain’s Heat Pump Shitshow is now available to pre-or...
By Mars , 19 hours ago
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 2 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 3 days ago
-
RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 3 days ago
-
RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 4 days ago
-
RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 4 days ago
-
Readers here please note that Derril Water and many oth...
By Transparent , 4 days ago
-
RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 4 days ago
-
RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 4 days ago
-
RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 4 days ago
-
RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 5 days ago


