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Last seen: Aug 8, 2026
Welcome to the forums. You are in an interesting position. By the sound of it the heating system is pretty old. If so and if this were soon to be ...
Electricity retailers offer fixed price deals. By agreeing the purchase price in advance they can manage the risks. Electricity generators probably ...
If I recall correctly the efficiency measure for cooling is different to that for heating, because the energy used by the compressor doesn't add to th...
Thanks both, that all makes perfect sense and seems prima facie like a fairly sensible market mechanism albeit doubtless not perfect (is anything?). ...
I know and yes. The secondary deltaT wont necessarily keep up with the primary deltaT because that will depend on what the pumps are doing, but it ...
Yest exactly that. Many heat pumps (including, so far as I can, tell mine) run on constant pump speed (even if they have a water pump that is capable ...
My thoughts exactly. There appears to be a plan for attack, but no plan at all for the peace that must eventually follow if the attack is to achieve ...
I don't actually know why that's still the case in the UK. Historically I seem to remember it was EU-wide but the EU were looking at changing it (I d...
OK, so I think we can conclude that a) Neither Ofgem nor NESO is the cause of the increase in (future) demand caused by data centres b) t...
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Latest Posts
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RE: Indevolt Batteries UK Support & Info Thread
I had a quick look and they are a little vague. They ...
By BlizzardGreen , 1 hour ago
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RE: Electricity price predictions
Nationally-based Demand Flexibility makes little sense....
By Transparent , 3 hours 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 , 9 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 , 20 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 , 22 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 , 1 day 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 , 1 day 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 , 3 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 , 4 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 , 4 days ago
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