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 2, 2026
Is your setup off grid capable?
@toodles that’s nigh on 50 Amps 🙂 you’d be melting the sub station if you tried that by me
Put your post code on this thread amd ask for someone with same Vailant HP to let ypu go round and listen to theirs, and photograph the pipework and s...
How do you explain the house usage in 2024 was very low compared to other 2 Septembers
Considering Octopus states all their electricity is green, with wind and solar radiation costing nothing once the generator is built, payback is quick...
@toodles ive just accepted cosy fixed as its cost saving in the midlands
I used to have a setback at night, but found as you did the system turns on full welly when set back is over. i now leave the system open loop at 20...
Batteries are all charged at DC wether from a Solar Inverter or a Hybrid. The Hybrid has all 3 functions built into one module, so when it fails, yo...
We had a solar array to start, hooked direct into the main CU. we added a battery pack soon after when we realised we could time shift the cheap tar...
Ask DNO if its a load balancing on your phase of the supply, and will they allow an Increase at some time in future
My house built in 1982 had a fuse wire fuse board that managed 15kW of power. When I planned the removal of Gas, fitting Solar PV, ASHP heating and EV...
- 27 Forums
- 2,811 Topics
- 66.5 K Posts
- 2,794 Online
- 7,218 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Why don't people choose heat pumps?
I have been putting together some material for a series...
By Batpred , 11 minutes ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
Yes, in my case, the ISP hub is permanently there, they...
By Batpred , 35 minutes ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
Sorry that was a mistype. I meant 2A2A ie a2a with 2 o...
By JamesPa , 1 hour ago
-
RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
By Papahuhu , 2 hours ago
-
RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 11 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 , 12 hours ago
-
RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 15 hours ago
-
I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 19 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 , 4 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 , 6 days ago


