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Last seen: May 31, 2026
@hughf I generally buy kindle books these days, my close up eyesight isn't as good as it used to be, so I find it easier to read. I also appreciat...
@webcmg Excess elec is a financial issue, rather than a green one; it will always find a good home, you just might not get paid for it! At the m...
@webcmg I expect the heatexchanger box will already be insulated inside. If it's easy to open, take a look and pics are always good! I'm suggesti...
@webcmg I think it is fine to insulate controls, just you can't get to them so easily. It's electrical stuff that shouldn't be, as it is a heat so...
@webcmg There is a lot of stuff there, it’s a neat job. Have I understood correctly: A is a heatexchanger box, likely glycol:water, probably has a ...
@webcmg Heatpumps will give a poor COP heating dhw - they have to run hot which they don't like, and there's often a lot of pipework that gets heat...
@transparent Yes, flash to V2H. The reason to add extra meters would be to evaluate the round trip inverter-car-inverter performance. There is ...
@jeff I'm pretty sure they are the same unit! We are still on the Ovo V2G trial, it finishes in a few weeks. The original installation involved a cu...
@alanb Hope you’re getting over the lurgie, there’s a lot of it about! I can understand you wanting to reduce your electricity use, it is high. Can ...
I found a website with a bit more technical writing on it: I haven't seen the efficiency of it anywhere, and I think it needs a source of heat of...
@Mars I know you have a very large property, which will have a large surface area so lots of places for heat to leak out. Would EWI (External Wall In...
Polly Toynbee has an article in the guardian, wanting to get rid of the standing charge - and even to go beyond that and make initial energy use free,...
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Degrees of Separation
Latest Posts
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RE: Indevolt Batteries UK Support & Info Thread
@indevolt-tech When you say 'dedicated switched fused ...
By JamesPa , 40 minutes ago
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Agreed. Manufacturers minimum is just enough in theory...
By JamesPa , 50 minutes ago
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RE: Electricity price predictions
I'm very much grounded in systems too, so I think we're...
By Majordennisbloodnok , 3 hours ago
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I appreciate that EnergyPlus is Valliant's first attemp...
By L8Again , 7 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Unfortunately the answer is Yes you will need a new FTC...
By F1p , 22 hours ago
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RE: PV and battery long payback - sense check query
So if it helps I was recently quoted about 8 grand for ...
By EtchedPixels , 23 hours ago
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 1 day ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 2 days 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 , 3 days 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 , 3 days 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 , 3 days ago
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