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Last seen: Oct 14, 2026
Have a look at John Cantor's excellent online calculators here (specifically the flow rate calculator): Heat (kW) = Flowrate (Litres/sec.) x 4.2 ...
@njt As the Cosy peak rate (4-7pm) immediately follows a cheap slot, your battery should be fully charged and at least should avoid importing during t...
Where I think COP is immensely useful is in giving a snapshot, either instantaneous or over time, of a system's performance, which can be useful in co...
Hi @declan90 We are in an almost identical situation to you (except I'm staying on Agile for now). ASHP installed in June, so this will be our first...
@bontwoody Thanks, that's the one and for other Samsung owners who may be interested I found loads more info here:
Following this thread with much interest. @cathoderay I have a Samsung Gen6. I have an independent electricity meter showing ASHP usage. The numb...
@njtt Great news that you've had it back approved. I found the DNO (NG in my case) were more than reasonable and very helpful.
Natural gas (or LNG), widely used in the production of electricity in Europe and the UK, isn't a product of crude oil, so the pricing of the two are i...
At least your installer flagged it as an issue before the installation. My ECO4 installer never bothered to inform the DNO that they'd installed a 12k...
Yes, I've not had a chance to really play with settings yet as we've not experienced a winter, but because I assume I'd be cycling (of some descriptio...
@johnmo, I'd taken it from John Cantor's video here, see the slide from ecoforest towards the end of the video at 20:08min which shows efficien...
@editor Yes, I have no doubt that we will not be cold in winter. It's generally mild where we are, and our design temp was -1.9C, but I'm sure we are ...
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Latest Posts
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RE: How quickly would you want/expect heat recovery to take from setback?
I think a lot depends on how sophisticated the control ...
By Temperature_Gradient , 33 minutes ago
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 14 hours ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 16 hours ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 18 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 19 hours ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 19 hours ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 19 hours ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 23 hours ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 1 day ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 1 day ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 1 day ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 2 days ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 2 days ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 2 days ago

