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: Oct 21, 2026
I have had my Cosy 9 installed and running for a year on 8th May. My house, to recap, is a Finnish timber frame design, 164sqM, detached over two floo...
Which I can empirically vouch for. Further, you may even find, as I do, that thermostatically controlling the system can lead to oddities such as hav...
Well, turns out a DIY job isn't going to happen. Even on a step ladder with a 8-10m telescopic pole I can only reach the gutters! That's that then.....
@toodles Good to know. I will give it a go with my telescopic pole and if it works great. I don't know what the cost is per panel, but if it comes t...
Interesting perspectives. I'm definitely not climbing on a roof so I'll see if I can reach them from a step ladder with a long washing pole and rinse...
To be fair to Octopus customers, it would be better if we could get detailed information from a more official channel and less cryptic source than a S...
I take it “a few hours” is just a figure of speech and you’ve had it turned on for some time? Reports seem to be positive but it’s such an odd time o...
I don’t know how the Aerotherm works so can’t comment on that. Looking at the graph, and as long as I haven’t misinterpreted it, it seems to be showi...
@agentgeorge no idea if they’ve made changes, but I got 5.16 which is amazing. Mind you OAT was over 12c whilst hot water and heating was on; it’s be...
@editor yep - I commented just to see if I’d get notified, and I did 😀
Ok. This was a thread I started!
SPONSORS
Degrees of Separation
Latest Posts
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 6 hours ago
-
RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 7 hours ago
-
RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 7 hours ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 7 hours ago
-
RE: Why don't people choose heat pumps?
With a heatpump tariff, it should be cheaper to operate...
By Batpred , 7 hours ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 7 hours ago
-
RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 11 hours ago
-
I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 15 hours ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
-
RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago
SPONSORS
