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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Sep 4, 2026
Topics: 18 / Replies: 2988
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

@cliffhanger - thoughts on how to deal with your situation: I would still start with room stat set high and all TRVS etc open and then fine tune the w...

1 year ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

Keep it out in the open! Others will want to have a look and possibly comment. The heat loss report estimates the heat loss to be 7.42kW at -5.28°C ...

1 year ago
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RE: Setback savings - fact or fiction?

@jamespa - thank you for your ongoing heroic attempts to make sense of all this. I too had noticed this different behaviour. Here are the two per...

1 year ago
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RE: Setback savings - fact or fiction?

For completeness sake, and I may as well document it here as anywhere else, I have now done the other test I mentioned earlier for whether the two sam...

1 year ago
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RE: Baxi Air Source Heat Pump tips and tricks please

It may be be because the controller has been changed, and has gone to some albeit rather odd defaults. See if you can set them to what you had before....

1 year ago
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RE: Setback savings - fact or fiction?

And finally, the R version tidied up a bit and larger, so 95% confidence interval bands are more visible: The R code used (slightly different,...

1 year ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

Calculation based heat loss assessments are often particularly over the top for older buildings because the assumed U values for walls are just plain ...

1 year ago
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RE: Is it KISS or constant?

Now we are all posting at the same time! One thing to add - I agree with @jamespa, there is no such thing as a ridiculously low curve, only a curve th...

1 year ago
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RE: Is it KISS or constant?

@cliffhanger @editor - I would be inclined to ask how and why is the overshoot happening. I'd start by looking at the estimated heat loss, and how the...

1 year ago
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RE: Setback savings - fact or fiction?

Here's the same plot, less the R squared values, done quick and dirty in python, with the one done in R on the right: They look the same to me a...

1 year ago
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