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Last seen: Aug 11, 2026
@derek-m The off-grid heat-pump supply I've suggested is to enable operation on a Time-of-Use Tariff, avoiding the expensive high-demand periods. Th...
As I'm very new here, have you published Guidance Notes on optimising heat-pumps. How generic and non-techie can this be made? It was Option-2 i...
Let me clarify... these are not 'my neighbours'. The substation readings are made available to me remotely, courtesy of WPD. This arrangement enables ...
If 'Balancing the Grid' were as straightforward as that, then the DNOs could achieve it by reinforcing their network. However they are obligated to ...
Well I'm the author of that topic on the OVO Forum. That information about SAP-scores has come from a multi-party video conversation I had in summer...
The descriptions I've received from the group of participants on the Zero-Carbon Heating Trial in SE England show that a buffer-tank is a different co...
It depends on what tanks and controls have been specified by the installers. Me-thinks we are giving them too much freedom to design systems with in...
That would be an altruistic move by @london-trader of course. It will be financially beneficial to his Energy Supplier, and an ethically responsible m...
Point taken @Jeff Today the Octopus Agile tariff may not viable to us consumers. But contacts within the energy sector tell me that wholesale prices...
This simply must be resolved. Smart Meters are an essential building block for future energy strategy in GB, which is called Demand Side Response. D...
So that Unistor is a hot water cylinder. Is it supplying just your taps (DHW)? No storage for the UFH? Octopus is a good start.Their Agile tariff ...
There will be many others who feel equally upset at the high running costs of heat-pumps @London-trader - the present steep price rise for energy is o...
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Degrees of Separation
Latest Posts
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RE: PV and battery long payback - sense check query
Thanks @majordennisbloodnok Let me clarify. G98 is...
By Transparent , 3 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
G99 also applies when there is more than one G98 applia...
By Transparent , 23 minutes ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 3 hours ago
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The "thermal comfort" we feel is a mix of air temperatu...
By bobflux , 3 hours ago
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 13 hours ago
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I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 14 hours ago
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 2 days 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 , 3 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 , 4 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 , 4 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 , 4 days ago
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