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Last seen: Sep 5, 2026
@jamespa Thanks James. I already have the article on balancing and I don't think that, overall, the system is that far out: tweaking LSVs now rather ...
I've been thinking about this over the last few days, following the latest Podcast where flow rates are discussed - this was mentioned in passing but ...
I did check and I was subscribed, still am. Didn't receive a notification about this message or the following ones by Agent George!! ( @editor ) ...
What I've found with Octopus is difficulty getting to speak to someone who actually knows how these things work in practice - i.e. not in a generic he...
It's good that you can keep the whole house warm with the heat pump only producing heat at that period - during those gaps, a lot of the rooms in my h...
@editor Hi Mars, even though I'm subscribed to this thread, I'm not receiving any updates when it is amended? EDIT: Although I was notified about J...
That's some story. How did you set it to keep it running constantly?
Sorry, only just seen this I don't know why. I was speaking with an Octopus Engineer last Tuesday and he said that the Cosy 9 can only modulate down ...
I too felt the podcast was useful but think it could do with a bit less on the "bad design, installation, commissioning = bad system" as it's been don...
@jamespa thanks for all the advice. Just so you know, I'm not ignoring it but pulling it together to try and work out a plan of action. I'm currentl...
Honestly, I don't know. I can see that it is ramping up to 1.75kWh of power but on other occasions it might be around 0.7kWh.
I'm finding that the Octopus Cosy doesn't work like that but cycles around the thermostat temp. Still trying to get a little more info out of Octopus...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@batpred This is a great idea in theory. Our house is i...
By ian33a , 1 hour 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 , 14 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 , 19 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 , 2 days ago
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It’s been out a few days and Amazon has already attache...
By Mars , 2 days 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 , 7 days ago


