Last seen: Sep 21, 2025
Sorry, I wont be doing this because tariffs change all the time. But... if night time set back saves 10-20%, but you can somehow store energy at 20%...
I assume a COP of 4 at the starting conditions (but you can adjust the value in the spreadsheet). In the forced recovery model the FT changes so the ...
@derek-m I take account of cop change due to flow temp change. I don't take account of the (generally second order and due to engineering not physics...
So far as I know that's about it. One thing I have found is that sometimes it helps to start by thinking about the emitters, or even the house, rath...
It does work harder, I have never said otherwise, and wouldn't do so because it would violate the laws of physics. I calculate the total energy suppl...
I have now had the time to have a better look at this model which I must say is very neatly laid out, congratulations. I have a couple of questions ...
True, but folding in variable oat before developing the basic theory is making it unnecessarily complex at an early stage and getting an idea based on...
@derek-m, @fazel thank you for your comments. I think I should start another thread on 'on/off' working, it doesn't really fit here.
@derek-m Thanks for this, very nicely set out and logical. I will have a play over the next days but it certainly looks like a great piece of work. ...
Possibly, but this time we can't afford the luxury of waiting for experience etc.
Yet you can install an oil boiler without planning consent but have to jump through loads of hoops to install a heat pump
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RE: Powerwall 3 or Myenergi or something else?
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RE: Say hello and introduce yourself
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RE: Boxt Heat Pump Installation Experience
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RE: Help me keep the faith with my air source heat pump installation
I'm sure you are right, I was just trying to understand...
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RE: Preparing for 2nd winter in new build house.
Yuch! So that's basically just an on/off control. I...
By Transparent , 3 days ago
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Good day everyone. I'm new here and have a few question...
By Edin67 , 3 days ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
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It is interesting to see what our new Grant Aerona 290 ...
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