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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Oct 13, 2026
Profile Activity
Topics: 18 / Replies: 3071
AllTopicsReplies
Reply
RE: Setback savings - fact or fiction?

It looks to me as though something is not right about that chart, chiefly not a typical defrost pattern, COP is also alarmingly high for a defrost. Ca...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What determines the SOC of a battery?

I'm pretty sure I noticed they are not all the same, even with the same (LiFePO4) chemistry and conditions. I am sure there is a definitive table, but...

8 months ago
Forum
Energy Storage
Reply
RE: What determines the SOC of a battery?

Mindful of the fact this is not a boat forum, but still perhaps relevant, I decided against the blue box premium because (a) Victron's tendency to tie...

8 months ago
Forum
Energy Storage
Reply
RE: What determines the SOC of a battery?

To answer the original question, the net result of the amps hours in to and amps hours out out of the battery determines the state of charge. I do...

8 months ago
Forum
Energy Storage
Reply
RE: Rate the quality of your heat pump design and installation

Other infra? Rather infra dig, I dare say. More seriously, stopping banned scum from finding an easy way onto the GMC register came up during the Sele...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

To expand on the Select Committee idea, here is the transcript of a recent (Jan 2026) Health and Social Care Committee hearing into the GMC, another r...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Importance of choosing right installer

I've just downloaded the relevant manual (just to confirm, Air to water heat pump Compress 2000 AWF) and looking at the wired controller instructions,...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Importance of choosing right installer

Unfortunately this is all too common these days, buy a reputably European brand only to find it is Chinese in all but name. I bought a Webb (once a we...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

I certainly think it's possible, but it depends very much on the select committee members, and their willingness to ask the right questions, and on th...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Importance of choosing right installer

@keithb — thanks for the details, you have covered most of the important ones. I take it from what you've said you don't have any separation between t...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

My own answer is in the answer to "Quis custodiet ipsos custodes?" The answer is no one at present. The solution is to make MCS accountable. Very doab...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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