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Last seen: Sep 9, 2026
That's what I thought, it's the heat pump that 'inverts' to become a fridge, and uses the warm exhaust gas from the fridge to do the defrosting (put l...
Good point about GSHPs. It would still be interesting to know how other countries deal with ASHP frosting. Maybe they adopt @batalto's solution, choos...
Correct, I was going to include that but it complicated the post more than I wanted, and furthermore at -5 and below the main problem is the heat pump...
Installers understandably enough tend to have favoured brands, familiarity and all that, but a good one will readily consider another brand if it is m...
24-26 degrees is a very high medical requirement. The evidence is far from perfect, but the findings suggest a minimum of 18 degrees, even for older p...
I am familiar with python for basic things but might be inclined to use R for charts, done using cairo_pdf the output can be very neat. But the proble...
Thanks @scrchngwsl that and the rest of your post is a very clear description of how a 'learning' system might work. I'm not sure why I put learning i...
I agree, that's the point I always made, including the second part, ie I knew full well an old leaky building costs more to heat, whatever the fuel. ...
@mjr - I agree, and said earlier, it does get indirect feedback via the RWT, and yes, I agree, a bigger difference all other things being equal betwee...
This is not necessarily the case. Which uses more energy: keeping my house at 18 degrees all day every day for a week, or heating my house to 18 degre...
@editor and @derek-m - there is partial indirect feedback about the indoor temp, in the RWT. As the house warms, the RWT gets warmer, and that's what ...
Small listed semi-detached cottage, original parts from mid 1700s, with later additions. All solid stone walls apart from 1980s addition of one bedroo...
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Degrees of Separation
Latest Posts
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@batpred thanks for getting a copy. Appreciate the supp...
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RE: Adventures in heat loss calculations
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Iām really liking reading through this thread and the r...
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Thank you @trebor12345
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Great. You just need to find a way of cranking up your...
By JamesPa , 3 days ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
We had two heat pumps installed without Govt funding. H...
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My Adapt is finally installed and running! Almost a yea...
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
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