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: Jan 28, 2026
One thing I’ve realised tonight. My rads have Drayton TRV4s. After watching some lockshield videos as was finding audibly there’s very little control ...
thanks @iancalderbank, I’ll have a peruse. Builder sent me a message from plumbers stating internal 32mm duo pipe with 1” irons to 28mm copper p...
On no course not permanent, just mean the point of top up, when the worse living room peaks today I’ll give this a whirl. Will also be good to see wha...
thanks Derek, will give that a go. I presume do this when the room kind of caps temp with the ASHP And the push to 21c and record approx kw added?
Thanks Ian, found a 400/800/1200W heater that I can get here tomorrow via Amazon. Will give that a blast and report back. Today I decided to ju...
I think the issue would be everything’s been done from underneath? As ceilings were removed due to asbestos artex, it gave them that route. And in the...
In an effort to summarise observations so far from everyone, I'm trying to keep a list to go back to the builder/architect with at some point. P...
The front of the house is pretty south facing, so those rooms (Living 1, 2, Bed 1 and 2) tend to get solar gain. However the 2 poor performing rooms ...
Thanks Derek, would it be worth measuring Bed 1 (above Living 2) as well once this is all setup. And also potentially the reported room temps as wel...
Thanks Derek, I'll look at calibration before next tests. Yes the Eskimo seem to stick with having a better thermal output, I seem to recall on some...
Fail 3 times for me to read as interrupted. Then hoped to get the min 40 reading but ASHP had switched off. Can see though that rad 1 started to ge...
Sorry Derek could you elaborate on that? Not sure. And I suspect not. We moved in ahead of completion, as project was running late. They i...
- 27 Forums
- 2,753 Topics
- 64.7 K Posts
- 998 Online
- 7,158 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
By tomasmcguinness , 4 hours ago
-
RE: Adventures in heat loss calculations
As others have said, well done, and thank you for posti...
By cathodeRay , 4 hours ago
-
RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 13 hours ago
-
RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 14 hours ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
@rob-of-york Thank you for that, whilst familiar with t...
By kilgorexv , 14 hours ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 15 hours ago
-
RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 18 hours ago
-
RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 3 days ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 4 days ago
-
RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 4 days ago
-
RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 4 days ago
-
RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 4 days ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 5 days ago
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 5 days ago



