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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Jan 12, 2026
Profile Activity
Topics: 20 / Replies: 3914
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RE: Advice on internal circulation pump noise

Welcome and I am sorry you are having this problem.   The obvious answer is to delete the buffer and secondary pump which will remove the pro...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are We Sleepwalking Into Another Race to the Bottom?

The thing that worries me is that this brainless crap is only going to get worse as AI reinforces AI trained by brainless crap like this. Physically...

4 weeks ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
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RE: Setback savings - fact or fiction?

I should have asked what does 'matched pairs' mean? Also how long was the setback (in days) in each case?

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Fascinating. If I was asked to guess before you presented the data, I would have guessed that there might be a separation at higher OATs (where water...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 11.2kW heat pump with low COP

Thats very plausible and would also account for low COP. Repressurising the refrigerant may fix temporarily (and prove its the problem), but the ques...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 11.2kW heat pump with low COP

Thats a sensible figure. I dont know temps in October in Romania but you said 12-17. 950kWh consumption is way too much indicating I am guessing a f...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 11.2kW heat pump with low COP

Do you mean switching parts of the circuit in and out. If so that is potentially a problem, but not the most important one to focus on just now. &n...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 11.2kW heat pump with low COP

Welcome to the forums and I am sure you will receive much help   We will need more data to diagnose but here are some questions/comments ...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: LiFePO4 lithium battery fires and explosions

Apart from relative immaturity and slightly larger per unit power stored, what are the issues which lead you to say this?

4 weeks ago
Forum
Energy Storage
Reply
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt

HG are estimating a lower loss overallwhich might explain it if existing rads are only just undersized with BGs estimates. That said more rad upgrad...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help with heat pump sizing

@amin   I dont think materially relative to this (I assume 'nominal' means the output at which they measure all the other various parameters...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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