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Last seen: Mar 21, 2026
@cathoderay I kind of guessed you might come back with the data validation route. The problem with that route is that it is only as good as the under...
It looks like there’s some good discussions on applying insulation which can’t be a bad thing @majordennisbloodnok and @cathoderay. Regarding out top...
Hi @majordennisbloodnok, I don’t think I have a different view than yours here. Im very passionate about listed buildings. I’m just pointing out that ...
@cathoderay yes I agree, listed buildings may present challenges depending on what is a particular listed feature. Importantly, of course, it’s also t...
@old_scientist that’s quite an interesting story and I agree there are some serious issues when the insulation is installed incorrectly. And possib...
In my opinion insulated walls are not a “nice to have” option, rather it is necessity. Insulation of older housing stock must be seen as an absolute...
Here is that Samsung link posted by @old_scientist
Thanks @cathoderay, I did read it earlier when it was posted. I wouldn’t pretend to have understood most of it but there were a few good bits of infor...
Hi Mike. I think you make a valid point. I would assume the post defrost algorithms are part of a pre determined reheat to provide some additional he...
Nice re-focus but somehow Im not sure the defrost ‘setback’ saves energy it does after all put negative energy into the building for at least one who...
@robs Your Heat Pump setup is quite exceptional. I can clearly see your heat pump is delivering the heat you require at a flow temperature of 29c when...
@jamespa, thank you both @iaack so far I haven’t calculated this latent heat of fusion. Just the raising of the 180L of water temperature from 25C to ...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
It's a great looking piece of kit and the 5kw is very q...
By avenir , 8 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
I can't quite get my head around part 7 in the Indevolt...
By BlizzardGreen , 8 hours ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
Well deserved! 👌 55°C to the rads is really h...
By bobflux , 12 hours ago
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Potentially a winner this idea if it can be made cheapl...
By JamesPa , 1 day ago
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RE: Existing Solar Panel installation - structural roof calculation check
My own solar panel fixing rails wouldn't pass the MCS r...
By Transparent , 1 day ago
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RE: Vaillant Arotherm Pro vs new Plus
So with the dedicated Hager CU, flipping the big red bu...
By Batpred , 2 days ago
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Well I usually do it by feel, which is a slight problem...
By Transparent , 2 days ago
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@jeff I am well aware of the riskiness of such investme...
By Toodles , 2 days ago
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Fully understood and entirely reasonable! On the home ...
By JamesPa , 2 days ago
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RE: Electricity price predictions
So I am really having difficulty trying to work out wha...
By bontwoody , 2 days ago
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Ok Well almost certainly it could be used instead of ...
By JamesPa , 3 days ago
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RE: Samsung heat pump - data cable issue
Samsung reference it as "RS485 - COMM" in my manual. ...
By Old_Scientist , 3 days ago
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RE: SolarEdge SE5000H Inverter Failure
Update. My SolarEdge inverter was replaced yesterday wi...
By L8Again , 3 days ago
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For cooling a whole building, or even a big room with l...
By EtchedPixels , 4 days ago
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RE: Comms and power cabling to outside unit
@old_scientist 100%, the cover is for warrantied unit...
By Papahuhu , 4 days ago



