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Last seen: Nov 11, 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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Degrees of Separation
Latest Posts
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I second @editor 's advice to not change too many setti...
By Batpred , 23 minutes ago
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RE: Should I change my cylinder when changing from a gas boiler to a heat pump.
@david-2 Firstly I should say that I did change my c...
By JamesPa , 2 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
The Heat Geek survey and design process continues to ge...
By L8Again , 2 hours ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 12 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 18 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 18 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 18 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 22 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 23 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 3 days ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 3 days ago



