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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 14, 2025
Profile Activity
Topics: 17 / Replies: 2131
AllTopicsReplies
Reply
RE: Mis-Information Arrrrrgh!

Another major bit of misinformation. Within reason, any building can have a heat pump. You just have to accept (as I did) that old leaky buildings wil...

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

But isn't that what defrost cycles are for, which are not the same thing as a freeze stat (which from what others have said, kicks in when the circula...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

I am probably the only one, but I find all this stuff about freeze stats confusing. In normal but cold conditions, surely a heat pump will be running ...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

Correct. This was a known compromise at the design stage: having a small old listed cottage, with low ceilings and in particular low window sill heigh...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

Thanks for the clarification. I think my (S)COP is between 3.0 and 3.5. I have two ways of getting the COP: via the Midea app/LAN (midea_ac_lan), whic...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

There is energy in (what the heat source uses) and energy out (what the heat source delivers to the house). My 'paradox' was that the energy in was ab...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

Very possibly, but the key and only point I am trying to make is that installing a heat pump may leave you with no choice, if you want to stay reasona...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

Correct (apart from "Over a set 24hr period the kWh INPUT must equal the kWh LOST regardless." which I suggest only applies in steady state conditions...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

@bontwoody and @toodles - I am not comparing apples with rabbits or bananas with boomerangs for that matter, just making a simple point that, as I hav...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

At the risk of sounding like a stuck record, this is is so important, that it bears repeating. In raw terms, heat pumps are about three times more e...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: What do we need to know before installing a heat pump?

I think that sounds like a good empirical approach, but I am not sure my old oil boiler could be controlled to that extent, ie a low flow temp, as it ...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: What do we need to know before installing a heat pump?

Your persistence does you credit. I had many problems, but for different reasons, with the whole process taking over a year from deciding to go for a ...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Page 109 / 179
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