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Last seen: Mar 11, 2026
@bash similar here, it cost me 33p yesterday to use 4.8kw so no point in switching off yet as it is so cheap.
I think the main reason a2w is more popular in the uk is the grant. Long term, I think air to air will be more common, when the grant is removed for a...
Some Initial Heating Data - Up to 22nd November The last week or so was the first real cold snap so a good test of how the heat pump performs in co...
Can you separate out the scop data between hot water and heating? I.e. is the hot water more efficient than the heating? Also did the £20,000 incl...
I am on Octopus Intelligent @ 6.67p on the overnight rate. I have 18.8kw batteries (no solar) so will be interesting to see how much of my winter usag...
@ashfp Mine does have a buffer tank. That was my experience that they have a contractor who does not do the detailed design of the system but liaises ...
@toodles Fun fact the free electricity session is technically not (quite) free (but very low cost) as the Vat on the energy is not reclaimed - effecti...
@editor Thanks Mars, there was a limited in person commissioning by the installer, then a more detailed run through over the phone with Andy from Boxt...
I had my vaillant arotherm plus 5kw installed by boxt end of March. Cost was £3399 with a £2000 cashback from barclays so will be £1399 total. I pai...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 8 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 13 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 4 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
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