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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Jul 23, 2025
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Topics: 17 / Replies: 2064
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RE: Do setbacks save energy without compromising comfort?

Here is the actual Set LWT vs OAT (ambient temperature) for my heat pump for all available dates (late March 2023 to date, when running, always in WC ...

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'm planning to alternate setback plus recovery boost, ie the auto-adapt script, with periods of standard 24 hour running, building up roug...

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

Indeed. It is a very dynamic situation, with lots of variables constantly changing and interacting. At least with observed data, assuming it is accura...

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've scanned through the data I have, which although at first glance seems like it is a lot of data, it is in fact only five weeks or so at the end of...

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

You should be fine, they are not complex queries, with the csv file(s) becoming the tables you select from. The sql 'dialect' is sqlite, which, as you...

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

Correct, the actual measurements (upper plot) shows some cycling on the LHS, the model (lower plot) does not.

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

What I do is have the data in csv format, which I can then load into a text editor, such as Notepad++, and extract slices at will. I also use python'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?

I suspect a more accurate answer may be that D wants to paint a picture that has D and J as sage old chaps having a learned chinwag in the library 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?

@jamespa - the 'actual observed energy in value for the hour' is the value in the csv file for that hour. Its the equivalent of the observed deaths ov...

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 described above what I plan to compare: expected vs observed energy in during periods with setback and recovery boost. The key thing I am trying to ...

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've got through the data, and while there were a fair number of WCC end point changes over last winter, they all happened mid winter, and the period ...

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 should, the main complication with the covid deaths data is human behaviour, deciding what is and isn't a covid death, and those decisions, particu...

2 years ago
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Air Source Heat Pumps (ASHPs)
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