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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Aug 15, 2025
Profile Activity
Topics: 17 / Replies: 2075
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RE: ASHP decision: Should I or shouldn't I?

This raises, at least for me, some interesting questions. I don't get the modern obsession with modelling. When I was growing up, models were somethin...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@jamespa - I agree about the need for stats on real world numbers on system failures caused by freezing, but I am not sure they exist, meaning we have...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@jamespa - I am still stuck in an uncertainty loop about the effects of glycol on system performance. Starting at the beginning, why add glycol in the...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

But does the heat pump know it has glycol in it? Isn't output normally controlled by the weather compensation curve (water law in Samsung) - if it is ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to Heat Pump Monitoring Reloaded (v2)

I'm back on the case, in particular, deciding what to measure and how. The idea is to get some measurements that aren't derived from the Midea wired c...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

The short answer, on paper, is yes, but it is not that simple. In practice, glycol is simpler, whatever happens, as long as it is there, and the temps...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP decision: Should I or shouldn't I?

This is another persistent myth that needs to be dispelled. A building does not care one bit where the heat that heats it comes from. It is perfectly ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP decision: Should I or shouldn't I?

Indeed it does, and it is counterintuitive. If we imagine heating a house to be like keeping a bath with a leaky plug hole full, then it stands to rea...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP decision: Should I or shouldn't I?

@cookie197 - welcome to the forum. There is a wealth of knowledge here and I am confident others will chip in soon but I can say something about runni...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@derek-m - a succinct, and clear explanation, thank you. I think it is worth noting in your hypothetical but very possibly typical example, the actual...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@iantelescope - can you elaborate a bit? What 'Sharky' did you use, how did you install it, and what actual data did you get, and how did that lead to...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

@amanda1 - I regularly bang on about compressorgate, not whether it will happen, but when it will happen. All big manufacturing industries are on the ...

2 years ago
Forum
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