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 24, 2026
Sorry to disappoint you but I think you have failed to understand the point I am trying to make. What I am saying is that the figures @cathoderay has...
Thanks for the comments, Im still bouncing around in my mind whether I have missed something, but I cant yet see it. This stuff is hard, however you l...
@cathoderay For clarity Im not disputing the figures or your eyeballed numbers, I'm disputing the interpretation which, for some while, I believed but...
@derek-m @cathoderay This thread moved on rather quickly after a post I made but I really would appreciate your perspective on my post upthread S...
I hope you are right because its obviously more intuitive to turn down when you don't require the heat. However sometimes intuition and fact are at v...
@newhouse87 I'm not sure whether you were responding to my most recent post questioning the current interpretation of the excellent data that @cathode...
These results are extremely useful and exciting, but nevertheless something has been bugging me about this. I couldn't quite put my finger on what wa...
@cathoderay Whilst not for a moment questioning the data, which is really good and really useful, it will be interesting to see if the same outcome oc...
@derek-m Hmm, needs some thought I think this may be where it helps to distinguish mentally heat (a) demanded by the emitters from (b) hea...
That's true, but doesn't circumvent the requirement for MCS accreditation in order to benefit from permitted development. It's written into the gener...
@derek-m Aircon units have no special rules, so either they are an ashp used solely for heating in which case pd may apply, or they are like any other...
Useful data! Its interesting that it (apparently) takes 3 hours for the RWT/LWT to fall to room temp. Do you think this is real and if so does the p...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 hours ago
-
@kilgorexv, I actually think doing your own calculation...
By Mars , 4 hours ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 18 hours ago
-
RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 1 day ago
-
@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
-
RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days 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 , 5 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 , 5 days ago
-
RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 6 days ago
SPONSORS
