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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 8, 2026
Topics: 27 / Replies: 5219
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RE: Electricity price predictions

That does not sound even faintly like a case of what you suggested earlier namely Politicians and civil servants are, I have no doubt, quite capa...

5 months ago
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RE: Midea ASHP – how to set weather compensation

I cant explain that unless either (a) the heat pump is working at its maximum capacity (which could be the case given you are operating part time and ...

5 months ago
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RE: Electricity price predictions

Perhaps, or perhaps they are going beyond the limits of what is known by anyone, expert or otherwise. If @transparent is to be believed, that is cert...

5 months ago
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RE: Help me keep the faith with my air source heat pump installation

The 7kW is (in terms of output) what most manufacturers would call an 8kW (or even 9), so this might just be a marketing exercise. However they are l...

5 months ago
Reply
RE: Midea ASHP – how to set weather compensation

You are of course correct in the short term. If the system (hp, house, rads, pipework) isn't in equilibrium something will heat up until it is, or sh...

5 months ago
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RE: Midea ASHP – how to set weather compensation

Er, it does. It knows the heat loss because it knows LWT, RWT and flow rate. Thats the heat supplied which, if the house is in equilibrium, must equ...

5 months ago
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RE: Any thoughts on control strategies for heat pumps?

I find it quite challenging to think about, to say the least. The simple model of a house, which we use much of the time, is a monolithic block cha...

5 months ago
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RE: Rate the quality of your heat pump design and installation

That's not necessary so far as I can see. Measuring the current weather tells the heat pump or boiler whats currently happening to the outside of hou...

5 months ago
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RE: Any thoughts on control strategies for heat pumps?

If you only ever want them at 18C then it would be better simply to turn down the lockshields on these rads. Then you retain the full active system v...

5 months ago
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RE: Cosy 12 or Grant Aerona 15.5?

What cylinder do you currently have? There are very likely installers who wont insist on replacing it (eg Heat Geek 'Zero disrupt') BTW I used to t...

5 months ago
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