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Last seen: Aug 30, 2026
@agentgeorge Cosy 9. It's automatic and remote update. Probably only for 9s
Just updating that ocotpus are still in touch with me, the noise is not fully resolved. Trying to coordinate a fan replacement so we can say for sure ...
@temperature_gradient Its not actually hard, the grid is built on physics. Match generation with consumption. Nothing else matters. Bonus ...
@papahuhu unfortunately not the case. Frequency incidents measured in time have increased. In 2021 alone the EU grid had two major incidents, classed...
@editor Did you have one of the really old ones with the even smaller 2 line display?
@editor I'm not a business analyst. I don't know what the history of it is, why is the immersun so similar to the eddi? The eddi had LED flicker on re...
What a disgraceful response. I will not be surprised by their inevitable liquidation.
I've had a few more good runs with 33 - 45 weather comp. I also did a few max load tests that I put on HPM.Ive notice the cosy targets dT5 until you r...
@agentgeorge these are just the declared figures. I need to check but I think I have seen better real world results especially after the August update...
@agentgeorge 35C ScOP 4.36, 50C ScOP 3.6, 65C ScOP 2.99.
@kevh it's updated. They do listen. I've always been confident they will get there. 👍 I still think it's been very cost effective.
I've got a fairly large volume system (12+ rads and a voulmiser, so probably well north of 100L) and it doesn't seem like my cosy 9 can maintain dT wi...
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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 , 3 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 , 3 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 , 24 hours 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 , 24 hours 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



