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bontwoody
bontwoody
@bontwoody
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Joined: Mar 5, 2022
Last seen: Jul 6, 2025
Topics: 29 / Replies: 806
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RE: COP or Cost Per kWh

@majordennisbloodnok Thanks. I’ll happily take you up on that to save the need of running the python script. I’m in the middle of reading a statistics...

10 months ago
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RE: COP or Cost Per kWh

@majordennisbloodnok Think I might download some data and see how much statistics I can remember 🤣

10 months ago
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RE: COP or Cost Per kWh

@ivanopinion This was interesting and relevant

10 months ago
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RE: Two possible heat pump routes - how to evaluate them?

While what you say is true Brendon, I would agree with @johnmo,, that with a decent science background, research and a few practical diy skills, a suc...

10 months ago
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RE: 6 Red Flags to Avoid When Considering a Heat Pump Installation

@Ian Cruickshank We would need some more details to answers all your questions on heat pump size and pipe diameters, but it is possible to give you ...

10 months ago
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RE: Heat pump monitoring - what are you using?

@njt It’s certainly worth doing the sums as even if you use peak rate occasionally it still might not be economically sound to increase your battery s...

10 months ago
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RE: COP or Cost Per kWh

@majordennisbloodnok "They do allow comparisons and push for better design and practice but I rarely see conversations about COP and/or unit price ...

10 months ago
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RE: COP or Cost Per kWh

@johnmo Yes by COP I was really envisaging a stable COP rather than more instantaneous peaking. Ive noticed that overall COP is high on my heat pump w...

10 months ago
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RE: COP or Cost Per kWh

@old_scientist I agree entirely and much of the improvement I have been able to make on my system has been driven by good COP monitoring When I...

10 months ago
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RE: COP or Cost Per kWh

@majordennisbloodnok "I'm not entirely convinced by either metric. If cost is one's overriding concern - and for most people it will be - the only...

10 months ago
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10 months ago
Replies: 28
Views: 3166
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RE: Powerwall 3 - is it worth the outlay?

@johnmo You can also get the grant on health reasons. A friend of mine is immuno-suppressed and bought a wreck of a house (low EPC) so is eligible.

10 months ago
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