Last seen: Nov 7, 2025
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...
Yes. There is nothing sacrosanct about DT5 even on aggregate, and certainly not for any individual radiator. Furthermore if all the rads have been b...
@ecoste, @walnut-tree-cottage these are both great pieces of kit. As I am sure you know running a heat pump is rather different to running a boiler....
Its key to understand this, and it applies more generally. 'Unheated' rooms are in fact heated from adjacent rooms, which means that the rads in thos...
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RE: My DIY Heat Pump installation
@temperature_gradient Building regs I had my initial...
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RE: Testing new controls/monitoring for Midea Clone ASHP
Hi again all, Just to update on this... I've now ad...
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RE: Request for feedback on where we're at with our quest to get an ASHP or ideas.
thanks, heatpunk looks great, being able to do the calc...
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RE: Is Your House Warmer Upstairs Than Downstairs?
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RE: Oil Boiler & Heat Pump Hybrid System
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@toodles sounds good. I started with cosy but then plug...
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RE: Are We Sleepwalking Into Another Race to the Bottom?
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Mitsubishi Ecodan FTC7 Legionella date set
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
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RE: Help me keep the faith with my air source heat pump installation
@adamk downstairs rads are less prone to airlocks, you ...
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RE: My Octopus Cosy 6 Heat Pump Journey: From Quote to Completion
@editor thanks for highlighting my name. Yes I did get ...
By Chansug , 1 day ago
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RE: balancing radiators with a mixture of different size pipework and a few undersize rads.
@editor Thanks for your input Mars. No I think the comm...
By baxtDave , 1 day ago
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RE: Rate the quality of your heat pump design and installation
We’re looking to expand our list of recommended list of...
By Mars , 1 day ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@transparent Along with the right workers, they can’t b...
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RE: Midea ASHP – how to set weather compensation
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