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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 10, 2025
Profile Activity
Topics: 17 / Replies: 2129
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RE: Do setbacks save energy without compromising comfort?

It's certainly true that basic WC as used by most heat pumps is really only good enough for steady state operation with relatively slow over time chan...

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

And here is the version 3 (polynomial regression) code [edit 13 Jan 2024 10:00: now with sort added to remove split in regression line plot, and use f...

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

@jamespa - thanks for the kind words. I think I must be much more comfortable with 'making do with what we have' than those with backgrounds in the ...

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

I said when I first posted it and I have repeated it again, and will now repeat it for a third time, it is not meant to be an answer, let alone a defi...

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

@scrchngwsl - thanks very much for putting so much effort into this, and detailing your reasoning, and posting your code. I will post mine once I have...

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

Here's the data table from the actual chart: Don't forget I never claimed this chart was the answer to everything. In the paragraph immediately un...

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

@scrchngwsl - a little more information, from the no setback period. I have calculated (using your code adapted for the no setback period) and plotted...

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

I'm afraid I've lost you here. I have posted the complete data set for December 2023. I've just issued a prompt correction and apology for suggesting ...

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

@derek-m is correct, the data in the minute data file is raw as collected data without the correction, the calculated values in the hour data file hav...

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

@scrchngwsl - I started by looking at the regression. As I through habit like to see plots, I have done (a) a scatter plot with the regression line, (...

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

@scrchngwsl - very interesting, and very useful, to have an analysis done using a different approach that still nonetheless starts with the observed d...

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

Covered in my recent post (I'm not sure, don't have enough detailed data, but on balance, it looks random, but I don't know for certain). If/when I ha...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 74 / 179
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