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: May 17, 2026
I’ve just sent this to Octopus helpline, let’s see if anyone understands it! I was reading the blog written by Milly Sullivan on “Cosy Heat...
@andrewj for the installer code, try using the name of your HP provider
@jamespa I chose Octopus as they will be in business far longer than any individual company, their heat pump uses R290, which is supposed to be state ...
Section 7 states the Cosy 6 is 5.63kW and can achieve COP of 4.29
reading section 3.6.1A and B the instructions have an error in the description of the MCB and RCBO for the cosy6, and the Immersion/hub The labels...
@jamespa just read the manual you linked to. very interesting section 3.3.2 restrictive requirements if microbore present. None of this was advised to...
@jamespa I have cosy6 and UFH, the maximum flow winter temp is set at 50 on mine, checking the UFH manifold stats today showed a steady input of 37, r...
How do those on low income afford to replace their gas boiler at around £2500-3000; that’s what I was quoted to replace my troublesome uninsurable 16y...
With every change there will be winners and losers, think of all the pensioners who are paying the subsidy on there electric bill to pay for those who...
@swwils what tool are you using to monitor the bus
@pwils on the cosy hub, there’s a button on the top, press and hold it for several seconds, the cosy white light will flash blue and you can link your...
@andrewj I hope members enjoyed reading my tale of the challenge to get what I wanted and not what the installer tried to convince me was a finishe...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Heat pump installation quotations
That will be absolutely murdering your energy efficienc...
By EtchedPixels , 32 minutes ago
-
RE: Harvest Thermal - ASHP with a smart thermal battery
The cooling side works much better if you can figure ou...
By EtchedPixels , 46 minutes ago
-
Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 1 hour ago
-
After an intense recode, I’m pleased to announce that w...
By Mars , 1 hour ago
-
Why do you want to maintain a specific deltaT? The out...
By JamesPa , 3 hours ago
-
Hopefully this will answer your question. To...
By ASHP-BOBBA , 4 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 4 hours ago
-
Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 6 hours ago
-
RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 6 hours ago
-
RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 9 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 10 hours ago
-
RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 10 hours ago
-
RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 14 hours ago
-
RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
SPONSORS
