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Last seen: Mar 3, 2026
@toodles I got this from my new best friend (Google AI mode): "If a condensing boiler's flow temperature (often set via a dial on the boiler itself)...
@majordennisbloodnok Definitely... I've posted about this tangentially elsewhere. Up here we're due to miss up-coming heat pump installation targets ...
@max-abbey Absolutely! Ignorance is regrettable but sometimes excusable. Covering up ignorance and pressing on regardless is not. Another related tr...
@transparent Some background 🙂 As you know I'm well up for writing constructive and informed comments to government and the discussions here very hel...
@batpred Has anyone seen anything about electricity tariffs for zero carbon community heating schemes? Nothing leaped out at me. PS: we don't seem t...
@af1 My EPC rating jumped from E to C after installation of the heat pump. I can't say how much of that was due to the heat pump itself compared to ot...
@batpred You only need to look at a few figures to see what is being assumed here: Again, this is Scotland - I don't have all the figures for the UK b...
@majordennisbloodnok you say "let’s not forget that there’s a whole world of businesses out there who don’t use batteries for time shifting, so there ...
@batpred Another non sequitur maybe but I'll justify it as another facet to all this :-): I wrote a couple of letters to our Climate Action and Energy...
Attached are my usage figures hour by hour for all of December and January for the heat pump and for other domestic use. The heat pump usage is prett...
@toodles I can see how ToU tariffs, solar and EVs go together but a heat pump by itself is not really suited to a ToU regime. I've done the following ...
@judith and others - thanks for your replies. It occurs to me that ToU tariffs are intrinsically self-limiting aren't they? They exist because the e...
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 , 6 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 , 10 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 , 11 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 , 11 hours ago
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RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
By Toodles , 14 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 , 20 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 , 20 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 , 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 , 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
