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: Sep 21, 2026
If this is the case then its a bit weird its not enough particularly as you presumably have a primary that is pretty low resistance (or is it?). So t...
Im not an expert on pump curves (or indeed very much else) however there is a good guide to reading pump curves here/p> I think the way to look ...
They decide is by measuring the flow/return temperature. The control loop adjusts the output of the heat pump (within the limits it can achieve) to g...
Fascinating. Referring to your first post, is it a cycle or a defrost. It looks like the latter but maybe Im misreading. Can you confirm Understa...
Planning officers tend to be black and white in their approach in my experience so minor or not it's a breach. In practice it almost certainly hangs...
Thats odd. I have experienced a (Drayton TRV4) which is stuck open because a plastic insert inside the head about 4mm dia and 2mm thick had somehow f...
Cue the 'ignore climate change and it might go away' lobby running articles telling their readers that heat pumps have been cynically rebranded by the...
The peaks in your graph (which I presume are the 'spikes' you are referring to) appear to be at different FTs. What is the set FT, what is the set FT...
Its a good thought however - my interpretation is: The physical installation falls within the legal definition of 'development' (and thus requires...
Is it spiking or is it gradually reaching the required FT following a defrost. You can tell it is going into defrost mode (which is expected given cu...
Correct Whoa! The change has been announced this week but the rule is still in place until the law changes (which it is said will be next year b...
Indeed, it's scaremongering. The same outlet also ran a headline predicting civil unrest as a result of the changes.
- 27 Forums
- 2,772 Topics
- 65.4 K Posts
- 727 Online
- 7,174 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 1 hour ago
-
RE: Why are ASHP installs so expensive?
And then you look at US electricity prices and weep.
By bornagain , 3 hours ago
-
Depends on what controls the pump! Thats the whole poi...
By JamesPa , 8 hours ago
-
The positive reviews keep coming in for Britain's Heat ...
By Mars , 22 hours ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 1 day ago
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 2 days ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 2 days ago
-
RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 2 days ago
-
RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 2 days ago
-
RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 3 days ago
-
RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 3 days ago
-
RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 3 days ago
-
My feed of random industrial auctions turned up this au...
By Prunus , 3 days ago
-
We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 4 days ago


