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Last seen: Aug 13, 2026
@jamespa apologies James I’m on a train so dashing between platforms
@heatgeek I wouldn't normally comment on such a varied emitter scheme. I think I’m just trying to establish a few principles of HP operation in a simp...
My first thoughts are that the process is more dynamic than your model suggests. Your idea that demand is determined by the house isn’t quite how I se...
hi @jamespa Thanks for your reply. Thinking I can see a pretty good analogy and I will post it in the morning. 👍
Yes I think That’s quoted quite a lot if I’m getting your ratio of 3 correctly. The problem is, like all rule of thumb approximations is that that man...
My original post was as follows….
Thanks for the nod James Hopefully my hand drawn “spreadsheets” are working now…. and the more detailed spreadsheet….. I hope the numbers are ...
Thanks for the official documentation info @transparent . I hadn’t read the most recent offering…. Is it me or does it really avoid tying anything dow...
not sure I agree… most of the sizing issues can be done at the design stage as a calc exercise. And as you and I have discussed previously… the design...
With due regard for the title of this topic… This debate has been brewing for quite a few weeks now. It certainly asks some questions of the standar...
@clockworks while your sorting your wireless controller I have time to write a post on your rad capacity and the correct maths for sizing. So maybe l...
Hi @clockworks Yes I sent you the charts which showed 3kw minimum output. I was very impressed when you managed to create the same hourly chart a...
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Degrees of Separation
Latest Posts
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Absolutely agreed. I quoted the national figure as evi...
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RE: Renewables & Heat Pumps in the News
@transparent, yes, I think we should make that approach...
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RE: Does anyone have experience of a smart water meter?
@majordennisbloodnok That is my thinking precisely, I s...
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
I found some interesting data about the price of heat p...
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
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RE: PV and battery long payback - sense check query
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RE: Indevolt Batteries UK Support & Info Thread
People following this thread who are hoping that plug i...
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Whilst searching for other information I came across th...
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RE: Passiv Smart Thermostat - Help & Forum Support
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RE: Help me keep the faith with my air source heat pump installation
just had Vaillant over to service the HP and asked abou...
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RE: tepeo ZEB UK Support & Info Thread
OK so ZEB is basically a variant on a storage heater, b...
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@editor I suspect that the Heat Geek online quote is a ...
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RE: Adding additional Solar Panels to a DC coupled battery system
Ah, yes. Thanks for clarifying.
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