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RobS
@robs
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Estimable Member
Joined: Oct 15, 2024
Last seen: Sep 5, 2026
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Topics: 0 / Replies: 138
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Reply
RE: Setback savings - fact or fiction?

I was replying to a post with no content relating to my analysis. When I posted my analysis of one of our system's defrosts I didn't say it was rep...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Thanks for posting my images again, the OAT in each of these examples was -1.5C. They were posted to show the differences and similarities in approach...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Of course I have mentioned the OEM heat pump monitoring system that I have, doing so gives context to what I write. I have posted links to OEM's websi...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Reassess my energy review? So the following quote fromisn't a reassessment? "...some of that heat (warm water) will be used by the defrost process (...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Great, so you have proven that MELCloud is consistently inaccurate! That doesn't prove in anyway that the estimated values from MELCloud are accurate,...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Panic? Seriously? Wanting people to have accurate information isn't panicking.   Why? Nothing that I've said Mitsubishi don't already know...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Accuracy of the data is no concern of yours? So you are happy to spread your opinion based on nothing but wishful thinking? There is no panic, just ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Why when the software system that you are using is so inaccurate? And because of this inaccuracy you can't possibly answer that question.   ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Both @cathoderay and I have posted data on defrosts, both show no or limited extra electrical energy used by a defrost. And @cathoderay's flow tempera...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

🙂 I wasn't suggesting the Romans had a complete model but two millennia ago they could heat a building to three different temperatures with some cons...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

@cathoderay - thanks for an interesting discussion! The heating/building industry doesn't but science/engineering isn't so limited. Modelling heat t...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

It's close enough to steady (+/- 35W) to get reasonably accurate steady state values, that can then be used to calculate what happens if something hap...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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