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cathodeRay
cathodeRay
@cathoderay
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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?

Thanks. I think the Met Office weather stations are mostly fairly similar, despite the fact one is on the coast, and the other inland. The data is in ...

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

The last 48 hours data, comparing a cold night with a less cold night, showing the impact of marginal capacity and defrost cycles when OAT goes below ...

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

My calculated energy out uses a lower specific heat capacity than pure water because my system has glycol in it, meaning I have assumed the performanc...

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

I will try briefly tomorrow. I have infinitely better monitoring now than I did when I last set a fixed LWT, and should be able to see what is happeni...

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

That's what I thought, but I haven't been able to find any documentation for it in the (obtuse, that may be the reason) Midea manuals. Not all do...

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

That is one thing i wondered about, either non-stick, so the ice doesn't get a hold, or some surface that causes the water before it actually freezes ...

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

Thank heavens you posted this, it reminds me of another can of worms which you dicuss, frost protection. In normal running, the heat pump as you say p...

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

Possibly, but I am not sure I have the space needed, plus very very disruptive, and very very expensive (plus no grant at the time?). My situation i...

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

I said it might be interesting, but won't be pretty, and here it is, the last 24 hours' data: Ouch...

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

I absolutely agree. It's like having an internal combustion engine that throttles itself when you put your foot down - madness! The heat pump becomes ...

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

I think this is very germane. My heat pump, and I am sure mine is not alone, is operating in a micro-climate of its own making, and sets off on a down...

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

Thanks, and good to be on friendly terms again. The heat pump is on an east facing wall, and although it more than meets the minimum distances betw...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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