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 2, 2026
@toodles I've only got 13.5kWh of battery (no ASHP) and it doesn't get me through the day - primarily because Mrs mk13 wants the heater on in the gre...
As I mentioned, a short duration analysis seems to be adequate, but I only discovered after analysing the historical data first. 'Blasts' of energy a...
Your annual gas consumption on its own isn't enough. You need to know WHEN the gas is used to a very good time resolution so that you can determine t...
@majordennisbloodnok No, I wasn't aware of that. To be honest, the manual is more for someone else to use, should I inadvertantly fall under a bus o...
@downfield Very important considerations, for sure. My wife has been saying for years that she doesn't know what she would do without me - and that's...
@downfield I use Predbat hosted on Home Assistant which calculates every 5 minutes to optimise battery use to achieve lowest cost. However, the times...
And presumably reselling it on the wholesale market. Do we know how this energy is metered?Won't riding on the back of a residential sub-station adver...
Yes, I'm reading 😉 I'm very surprised by the assertion that 34% of people claim they know a fair amount about low carbon heating systems. I...
@toodles 13.5kWh here, but no ASHP. 27kWh would be ample for me (as would 13.5kWh if Mrsmk13 didn't insist on a greenhouse heater. At least this year ...
@toodles Yes. I'd been giving this some thought since posting. Something like dividing the daily average or max energy consumed by the battery char...
@toodles With you having a battery, it will be nigh-on impossible to look back and decide which tariff would have been a better choice as your usage...
@transparent Octopus Energy (and, pehaps, other suppliers) offered 2 hours of free electricity on the morning of 24th November. Those people with ho...
Latest Posts
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks @editor , @indevolt-uk Subject to any comments ...
By JamesPa , 7 hours ago
-
RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 8 hours ago
-
The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 11 hours ago
-
RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
Cool Energy in Grimsby sell ground source heat pumps an...
By DerekDeLeon , 12 hours ago
-
RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 13 hours ago
-
RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 14 hours ago
-
RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 16 hours ago
-
RE: Towns water feed to air source heat pump system
The DHW circuit cant be separated (well it could, you c...
By JamesPa , 16 hours ago
-
Solis AC-coupled 3kW storage inverter
Solis AC-coupled 3kW storage inverterPylontech batterie...
By MartinRobinson , 22 hours ago
-
RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
As @transparent has observed above, this is not bad, an...
By cathodeRay , 23 hours ago
-
As I was reading this article Mars, I was thinking that...
By Toodles , 2 days ago
-
RE: Tell us about your Solar (PV) setup
Installed in May 2011: 16*Sharp 245 W monocrystalline p...
By txmartyn , 2 days ago
-
-
RE: Say hello and introduce yourself
That doesn't sound 'right' to me. The national Smart ...
By Transparent , 3 days ago
-
RE: Growatt battery disconnected
I doubt this will happen, but I will try and suggest it...
By Eliuccio , 3 days ago
-
Understood. That's why I decided from the outset on a ...
By JamesPa , 3 days ago
-
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
On the litigation, I would not go there and definitely ...
By Batpred , 3 days ago
-
RE: Recommended home battery inverters + regulatory matters - help requested
I suppose if your pv inverter packs up, you have a plan...
By Batpred , 4 days ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Firstly check you are using sound power not sound press...
By JamesPa , 4 days ago
-
That’s the solar up and running, I don’t think it’s the...
By David999 , 4 days ago
-
RE: Seeking ideas / information / commiseration - Pure Drive
I agree with @colinc that you can reuse some of it. A s...
By Batpred , 4 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Im trying me best to ignore orangeman, I figur...
By Papahuhu , 5 days ago
-
@toodles That’s way better per kWp performance than our...
By Papahuhu , 6 days ago
