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Last seen: Apr 15, 2026
I'm going to install Thermacome ACOSI+ radiant ceiling. It's a French product, so perhaps not available in the UK, but still some important points: ...
@mk4 Charge to 100%, discharge down to 10%.
This mess is intriguing: I wonder if this represents cycling, and if so how long the cycles are. But I don't see cycles on the water temperature c...
ASHPs do have a minimum compressor speed. The minimum heat output at that speed depends on air and water temperature. 12kW Vaillant with 45/40°C wat...
Location: near Lyon, France 12kWp on the roof, 2x Solis S5 6kW hybrids, 20kWh Pylontech So far pretty good
I wonder what the units are on this plot
What matters for flow and pressure drop is internal diameter. Thus 32mm MLC (26mm internal diameter) is equivalent to 28mm copper (also 26mm internal ...
Yes if the circulator is in constant speed mode, the actual flow and pressure are at the intersection of the circulator curve and the heating circuit ...
One can dream! We can Do Our Part by refusing to buy gear that does not expose usable APIs or forces cloud garbage. That's one of the main reasons I...
Designing a good programming language is extremely difficult, very few succeed. Thus application specific languages like HA's automations are red flag...
Simple: HA automations are awesome for very simple things. However, once it gets even a tiny bit more complicated, then the "programming language" bec...
OK! I dug into it a bit more! Mikeselectricstuff did a teardown of a UK RCBO, it has a tiny current transformer to detect the fault current, then a...
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Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils I saw the announcement last week. I'm going to ...
By Mars , 8 minutes ago
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RE: Air-to-air heat pumps - best models and installers
Are you creating a whole new category for A2A?
By ASHP-BOBBA , 2 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
There isn’t as far as I know, @djh, but you’re welcome ...
By Majordennisbloodnok , 14 hours ago
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?
Final Update. Yesterday, I was going through the moti...
By Unsure , 16 hours ago
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RE: How much can an east/west solar solar system be oversized?
Best performance occurs with PV string near inverter no...
By bobflux , 16 hours ago
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RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
By Toodles , 19 hours ago
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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...
By JamesPa , 1 day ago
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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...
By Judith , 1 day ago
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No buffer or low loss header Grant controller in sens...
By JamesPa , 2 days ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
That's an amazing job to get all that in there! A truly...
By Batpred , 2 days ago
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RE: Anyone concerned about GivEnergy?
Thanks for your advice - I'll keep trying with the inst...
By JohnDwyer , 2 days ago
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RE: Plug and play solar. Thoughts?
I am also yet to find a case where an installation that...
By Batpred , 2 days ago
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
This is what I got from OVO. At least it was quick.. ...
By Batpred , 2 days ago
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RE: IVT greenline HT Plus E - Circulation Pump Constantly On
Welcome to the forums. Irrespective of which brand yo...
By Mars , 2 days ago
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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 ...
By LeJamaisContent , 2 days ago
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RE: Jokes and fun posts about heat pumps and renewables
@jamespa Someone who is not easily phased I suppose.
By Toodles , 3 days ago
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@downfield Once OE had removed our gas meter and capped...
By Toodles , 3 days ago
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Living with a Low Loss Header (Or Measure For Measure, it’s All About the Pump)
I know, low loss headers (LLHs) aren’t necessarily ‘low...
By Toodles , 3 days ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
After seeing umpteen negative price slots again today, ...
By ChandyKris , 3 days ago
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RE: The Reality Behind a Failed Heat Pump Installation – and an IWA Insurance Rejection
@ian-w Getting back to the problem in hand, what do yo...
By JamesPa , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@papahuhu Generally, I leave Homely to take care of mat...
By Toodles , 4 days ago
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@judith, glad you found the story interesting. On eff...
By Mars , 4 days ago



