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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Jul 19, 2025
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Topics: 17 / Replies: 2064
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RE: Do setbacks save energy without compromising comfort?

@jamespa - I am digesting your latest comment but while I am doing that, there is a question I have been meaning to ask for a while, the answer to whi...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

It varies, because of my auto-adaption script, which provides the recovery boost. However, much of the time it is 56 @ -4 / 34 @ 15. When the actual I...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

I think that is a very reasonable statement of aims. Set out what we do know (plus any caveats) and let folks decide for themselves. I've now got ri...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

I do, and I know why you are concerned about the constant's size relative to the output variable range! It seems like it is do-able in R. Crude p...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

I looked for them but could find them, such notions are beyond the simple spreadsheets I have. I am sure they can be done in python or R, but I would ...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

We cross-posted, as I said, it's all in the zip file I have just posted, sor by ambient to get the extremes. I am not sure looking at the most extreme...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

I thought we were 'all agreed' that we 'all set our own comfort parameters' (desired IAT, how fast the recovery does or doesn't happen etc). The requi...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

Not quite true, I chose the periods I did because they had some extremes, though not many, a reflection of the fact I have only been collecting data f...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

None of them. They are all provisional. In an ideal world, the latest one will be the best approximation. I am not sure Jame has suggested any 's...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

Provisionally, yes. But I have to be cautious because the data sets are small, it's only one particular set up, etc etc. At this stage I think it is w...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

A bit more analysis, but with the caveat that the data sets are small. I have however removed the double 1.18 correction factor, the data used in this...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

@jamespa - I think I might be getting somewhere. (1) the current midea data file you have (and I have been using) does have a double 1.18 correction...

2 years ago
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Air Source Heat Pumps (ASHPs)
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