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Last seen: Jun 30, 2026
@Toodles I've only had my 6kWp solar system for 7 months so I cannot compare. However, my best production ove the period you mention was 24.7kWh whi...
@andrewj Even using actual gas usage, it is necessary to make assumptions about the boiler efficiency and the proportion of gas used for DHW and cook...
Anyone here with an AI background? 😉 Plenty of data with which to develop an appropriate model.
Yes, that's another ball-ache coming so soon after my purchase of what will quickly become an obsolete system. In order to expand the storage capacit...
Sorry. Fat fingers 🤣 Not so with my GivEnergy All-In-One, unfortunately ☹️
@ Transparent While I appreciate the idea, I would imagine that that the availability of 4-phase ASHPs (compared to their single-phase siblings) may ...
Coincidentally, I had an introductory visit from a very reputable installer the morning and after a very quick look at my present system he suggested ...
@mikef Have you tried searching in these forums? Information about possible options in such situations has been posted here in the past. @transparen...
Greg Jackson in the Times again just yesterday promoting locational procing.....
@harriup Thanks for posting this link. I was trying to find the article again a few days ago. Using the 'standard' heat loss methods, a 12kW Vailla...
Here's mine from 6kWp split across 2 roofs. I have shadow from a chimney in the morning but not noticeable from the plot below (microinverters) ...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 41 minutes 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 , 4 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 , 9 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 , 1 day 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 , 3 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 , 4 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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