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Last seen: Apr 12, 2026
Oh, how I love these old scientists!I'm in with your 5 kW -- thanks, that helped a lot.Overall, I enjoy this conversation very much.I do, while any ou...
Second thought, sorry:What I said about 6 kW instead of 7.5 kW against 10 kW, was under the assumption, that at 1600 or 1800 l oil per year the indoor...
No buffer, check.No re-pipe, check.6 kW would add up better imo, 10 kW doesn't at all. Big pump bringing a 200-day-per-year risk of too little demand ...
Er, nobody out there to support?I'm quite sure that my wild guesses won't help, but possible will provoke some reaction from people more skilled than ...
I read this thread from the beginning to its end.And then I read it again, thinking 'Did anybody mention return temperature RT? No, 'twas missed out.'...
Hello @Penval unfortunately, now the winter is gone and you missed that opportunity to mimic heat pump operation with your present oil burner to test ...
Hello @outlawuk sorry, I forgot about this, important:if it's not already done (you didn't mention though), consider of insulating your cavity walls. ...
Hello Outlaw UK,what a heart-breaking story; very sorry to hear so.It's a while ago now that you posted, how are you proceeding?Thank you for providin...
Uh, cathodeRay was faster .... anyway:I rarely saw any oil burner below 20 kW independent of the building's real heat loss .This means, nearly all oil...
Now finally there is a proper data set in a thread available but nobody can see rhyme or rythm in it.Neither do I, sorry:A purposeful breeder of Bebra...
@jamespa seebr />My proposal to improve that Swedish approach: at the electric power supply, swap L and N on warm days to make the heat pump reverse, ...
@davidalgarve I'm not aware if your Mitsu comes with a 'silent mode' -- many people use this as a 24/7 workaround to limit input power.This helps in m...
Latest Posts
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RE: Air-to-air heat pumps - best models and installers
@ashp-bobba, do I remember correctly that you install A...
By Mars , 4 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 , 8 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 , 10 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 , 10 hours ago
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RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
By Toodles , 13 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 , 19 hours 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 , 19 hours ago
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No buffer or low loss header Grant controller in sens...
By JamesPa , 1 day 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 , 1 day ago
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RE: Anyone concerned about GivEnergy?
Thanks for your advice - I'll keep trying with the inst...
By JohnDwyer , 1 day 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 , 2 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 , 3 days ago
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@judith, glad you found the story interesting. On eff...
By Mars , 4 days ago
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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...
By JamesPa , 4 days ago
