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Last seen: Apr 5, 2026
@editor I can detail the concise version of events, if anything strikes a chord I can elaborate initially declined to quote, which I deduced by chan...
@andrewj found this article by heart geeks it touches a lot of topics, WC is as you described, a line or curve between 2 OATs where flow temperat...
@kevh todays COP is 4.02 (0.5-6.8C), 2 days ago was 4.50 (5.5-8C) The lower overnight temperature has affected the performance, likely more defrost ...
The App says it choses the top temperature when OAT is above 12C, my system is running at 36C today and its 6.8C according to Cosy HP. Logic would sug...
@editor i have detailed my experience with Octopus on your forum, if you need further discussion on them id be happy to spend a few hours detailing ho...
@papahuhu thanks for the info, not sure Id want a sauna, Im aiming for a nice background heat from UFH and no draughts. I’m walling in the stairs and ...
@andrewj your right, the loft insulation will keep more heat in the bedrooms, its one of the areas Octopus and me disagreed on. I have kingspan in the...
@andrewj The heat pump survey should identify the heat loss of the building. As your house is overheating, this points to the survey being wrong and...
@jamespa maybe we can suggest this to Mars to discuss with heat pump manufacturers
@jamespa The flow temp of my system is set at 36C on the Cosy Hub, the temp gauges on my UFH manifold show a flow of 37C and return of 27C, effective ...
@andrewj have you tried setting it at 2 and 1 and recording what temperature the room gets to. I did that in all my upstairs rooms with radiators an...
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?
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RE: How much can an east/west solar solar system be oversized?
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RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
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RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
Take it one step at a time. If you can get the dhw and...
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RE: Selling 2 x Kensa Shoebox 7kw GSHP (New)
Hi Jain, we’ve got an ashp so I’m afraid we won’t be yo...
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No buffer or low loss header Grant controller in sens...
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RE: Are We Sleepwalking Into Another Race to the Bottom?
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RE: Anyone concerned about GivEnergy?
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RE: Plug and play solar. Thoughts?
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
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RE: IVT greenline HT Plus E - Circulation Pump Constantly On
Welcome to the forums. Irrespective of which brand yo...
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RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?
Oh, how I love these old scientists!I'm in with your 5 ...
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RE: Jokes and fun posts about heat pumps and renewables
@jamespa Someone who is not easily phased I suppose.
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@downfield Once OE had removed our gas meter and capped...
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Living with a Low Loss Header (Or Measure For Measure, it’s All About the Pump)
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RE: What is the main ‘dictator’ of Agile’s unit price?
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RE: Solar Power Output – Let’s Compare Generation Figures
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@judith, glad you found the story interesting. On eff...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
The vaillant controller and app do all of that (and mor...
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