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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 11, 2025
Profile Activity
Topics: 17 / Replies: 2129
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RE: Do setbacks save energy without compromising comfort?

@derek-m - it seems to me that you might be moving close to torrents of abuse territory. I can take it, but it is not pleasant, and I am sure others d...

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

@derek-m (and anyone else who wants it) - here is my December 2023 hour and minute data in csv format:

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

For the umpteenth time, I post my data and ideas so they can be reviewed, successes approved and errors pointed out. If I am not happy with this, I ha...

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

Got it, thanks! As I have just said, I am more than happy to have my mistakes pointed out when it is done in a civilised manner. BTB, don't get me s...

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

@derek-m - I am getting rather fed up with your insinuations that I either cook the books and/or am a buffoon, malign or otherwise. Of course I am onl...

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

Yes, we are saying the same thing here using different words. I said "steady average IAT (ie no net energy gain/loss over time)", average being over 2...

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

I agree. In medicine (as elsewhere), we call it N=1. It's a single case report, an anecdote. The next step up is a case series (maybe N=10 or somethin...

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

@derek-m - it seems the quotes/new comment in your post have got mixed up, making it hard to follow. I think you rather than I wrote: "So how do you...

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

I am sure the first point is correct, but the second relies on the correct inclusion and processing of the many variables. As I have said before, I do...

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

I agree with most of the points, but the 1.18 factor is there, as the average difference between the Midea volts x amps value and the external kWh met...

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

The two charts together are intended to compare the energy in predictions from your model (upper chart) and my regression equation (lower chart) again...

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

We are in effect using the same method, observed with setback vs expected without setback. The general method of comparing observed vs expected is wid...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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