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Last seen: Nov 11, 2026
Ok thanks. Why is 8C ideal (and why is 2C a problem?)
Adia Thermal sort of advocate this approach and produce some hardware to aid the determination. In many cases however it will be obvious that an upg...
Thanks, its actually @ianmk13 that has the need so tagging him so he sees your post
Fair enough. With poor mains pressure the only advantage of a UVC is that it is sealed and so less likely to get general detritus in.
Interesting. COP of only 1 though for the reclaimed heat!
It certainly is with mine (Vaillant). The source of the defrost energy is basically the water in the system and during defrost the heat pump extract...
75C for the Vaillant. This is principally a function of the refrigerant and most if not all R290 heat pumps will do 70-75. You wouldn't want to oper...
Coil probably not large enough, although this can be overcome by 'plate loading' ie fitting a phe and pump to replace or supplement the coil. I deba...
I have the Vaillant. Pros: Compact Excellent and very flexible controller, much more so than Samsung appears to offer. Definitely no need for e...
I agree. I agree (how could I disagree!) and its the basis of any of my arguments and the occasional attempt at simulation.
If it is in series (ie both ports connected to the flow not one to the flow and one to the return) I cant see why not. Its not really like another em...
Some further thinking on where to connect the buffer is emerging on this thread/p> The key take away is to put it beyond the DHW/Space heating diver...
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Latest Posts
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Well you have a vibration generator running at some fre...
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RE: Why don't people choose heat pumps?
@susannasaunders The link I have found may provide a li...
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@downfield Thats a decent rate, I’m shocked they hadn...
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
@batpred I mentioned earlier that targeting the payment...
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RE: Adventures in heat loss calculations
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Six books in three years and I think I’ve now covered j...
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RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
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Im trying to set up a friends Grant Aerona. The WC curv...
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RE: How much of your renewable and home setup would still work if the internet went down?
I think you're right! 🤨
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If there is a drain nearby that's exactly what I would ...
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I think that CCGT plant in Lingen is more likely to suc...
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