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 7, 2026
@editor Why This Must Change The UK government needs to scrap the marginal pricing model and adopt a fairer system that reflects the real costs of ...
@cathoderay The problem is, unless I have missed something, is he just asserts system volume 'really helps' with defrosts, which I take to mean it re...
@jamespa Multiple zones (with all that implies), buffer tanks/low loss headers, volumisers (which should be distinguished from buffer tanks as they...
Meant to add this but have been buried under piles of work. My submission: "The proposal to add the cost of an additional allowance for the Networ...
@transparent The solution is to mandate the need for rooftop solar panels, but using an inverter which doesn't permit export. The electricity sho...
I second this - pure weather compensation works extremely well on my Daikin - no cycling when it's mid-range OATs and it maintains the inside temperat...
@jamespa The article goes on to say this "However, minimum standards for energy efficiency in newly built properties under the rules will preclud...
I can't give you graphs but.... ASHP Daikin Altherma 3-6kw Heat loss? Dunno design temp by me 39º @ -3º Control mode: pure weather compensation...
@jamespa To me demand management is an alternative to infrastructure investment, and in principle a sensible one at that. Projecting forwards to w...
- 27 Forums
- 2,748 Topics
- 64.7 K Posts
- 1,868 Online
- 7,155 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
Volumisers are normally plumbed so that they are in the...
By JamesPa , 3 hours ago
-
@toodles possibly. The £9k labour charge for 4-5 days w...
By AndrewJ , 8 hours ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 12 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 , 1 day ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 1 day 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 , 1 day 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 , 5 days ago


