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Last seen: Sep 19, 2026
ah - not the greatest routing. Is it possible to insulate and/or isolate the pumps from the structure?
Not sure I agree with that. Thermodynamically lower deltaT=higher average emitter temperature for any given flow temperature = lower FT needed at t...
This looks odd: Heat transferred = F*DT*.0633=18*3*.0633=3.4kWPower consumed = 2.4kW 3.4kW delivered to the house is not unreasonable at ...
I think there may be some oddities about the COP reported by the app at present and possibly going forward. My app (v3.31 build 24435) no longer se...
Is it still cycling, at what FT/OAT? Mine appears currently to be at the 'sour spot'. OAT about 11C, still just cycling, COP 3.9, target FT ~32. I...
Is it possible there is air still trapped in the system. Mine took a month to clear and despite the presence of an auto bleed valve one radiator need...
I cant remember what Ecodan reports but some heat pumps report energy consumed and environmental gain. In this case cop = energy consumed/(energy co...
I would personally be sceptical about reaching any conclusion that goes against the norm of heat pumps. In the end the Cosy is a heat pump, subject t...
If you paid for any of the assessments try asking for the full calculation. I did for the one I paid for, very useful.
@drei Thats a nice designer radiator which it would be a shame to bin, and the space is otherwise useless. That said vertical panel radiators dont...
Vertical rads are less effective per unit area, I assume (but dont know for certain) that they factor this into the quoted performance Other than th...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s In a sense a performance guarantee rather tha...
By JamesPa , 15 minutes ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 20 minutes ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 2 hours ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 3 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
@lizzie Thanks for this, had thought about the Nibe ...
By StuChi , 5 hours ago
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RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 8 hours ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 19 hours ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 20 hours ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 22 hours ago
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My feed of random industrial auctions turned up this au...
By Prunus , 23 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
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We kept ours and Heat Geek would have been in touch if ...
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