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Last seen: Aug 7, 2026
I was told when I met the team from Midsummer Energy last year at InstallerSHOW that the Eleven sodium ion batteries were about 30% heavier than lithi...
@transparent, this is very interesting... still trying to get my head around things, so does the product from Eleven come with kit that allows them to...
@transparent, not wanting to derail this thread, I really feel that there are way too many power cuts in the UK. This is a relatively small country an...
I think the length of testing is the big factor here, and it’s almost certainly driven by budget rather than best practice. I’ve been told it costs in...
Kalosórisma @mk4. Thanks for sharing. One of my objectives this year is to see how heating requirements vary across Europe, is I'm glad you've poste...
@bash, if you’re planning to use any form of load compensation, as @jamespa has also mentioned, I’d be careful where it goes. In our case the MMI was ...
@max-abbey, absolutely, but it’ll also be so interesting to see how much cheaper it’ll be than the standard-ish going rate for heat pumps install.
I’m quite intrigued by sodium ion batteries over lithium. Does anyone on the forums have one running at home?
@plummersknowe, yeah, that's pretty awful. Completely the wrong stuff to use, and I assume (if it's what I think it is) that it's porous too. The best...
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Degrees of Separation
Latest Posts
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RE: Has anyone seen this problem before? Huge anticycling times
Mine was replaced as they couldn’t fix and couldn’t ide...
By cg360 , 4 hours ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 6 hours ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 9 hours ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 14 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 15 hours ago
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RE: Electricity price predictions
So a final update on Charge Pack, now I have nearly rea...
By bontwoody , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
My ideal install would have my battery installed before...
By BlizzardGreen , 2 days ago
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RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 3 days ago
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 3 days ago
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RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 3 days ago
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