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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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Reply
RE: The Mystery of the Weather Compensation Curve

Good point. Add-ons are the marketeers dreams come true.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The Mystery of the Weather Compensation Curve

Very true, but I am not thinking of huge output, just a resetting of the output to match 'as if' it was a bit colder outside. For example, this mornin...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Antifreeze protection

@oswiu - very interested to hear your account of what actually happens. Am I right in thinking that once the anti freeze valves have decided to do the...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
The Mystery of the Weather Compensation Curve
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 36
Views: 11959
Reply
RE: AI Heating Controls & IoT

What I am trying to get at is this is what we normally call a feedback system, and they have existed for millions of years, eg biological systems. As ...

3 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: AI Heating Controls & IoT

And you will own nothing, and you will be happy, to quote from another forum. I have to agree with @derek-m, in that even the most sophisticated heati...

3 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Say hello and introduce yourself

Another general observation while I am at it: you need to think of a heat pump as a Steady Eddy that runs low and slow. It is a tortoise, not a hare. ...

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

"Installing larger rads..." Absolutely, that is why I have tried to highlight the pitfalls. There are many constraints. In my house (an old small cott...

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

The rad/room delta t will be bigger with a higher flow temp ASHP, maybe 30 (rads 50, rooms 20) but almost certainly not as big as with a normal fossil...

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

No doubt that was OK for you, but a comment like this needs an added caveat, that in many cases moving from a fossil fuel based system with rads sized...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Heat Pump Truth or Myth#1 - Keeping it running 24/7 uses less energy

That is my understanding too, because of safety concerns, eg what if you need an electrically powered medical device of some sort? Turning off the pow...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Truth or Myth#1 - Keeping it running 24/7 uses less energy

At the risk of sounding like a tin foil hat conspiracy theorist, I have 100% resisted having a smart meter installed, despite heroic attempts by my en...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 151 / 175
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