Last seen: May 21, 2025
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...
Hi @clockworks. I was just suggesting the one hour MELCloud graph so it’s more detailed. I think @gary could see what I was driving at.... the actua...
Thanks for the description @clockworks, that gives a better picture of your setup. I’m not sure if I’m interpreting your graphs properly but it appe...
Latest Posts
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The point about needing a legionella cycle at all and h...
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RE: Forum updates, announcements & issues
@editor Fairy Nuff Mars, I doubt that my ramblings woul...
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RE: Confusion about heat pump sizing
We’ve published a deep dive into heat pump sizing, and ...
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We’ve published a deep dive into heat pump sizing, and ...
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Just had a quick scan of the manual and should be weath...
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RE: Potentially more choice including air to air heat pump grants
Hi all, I agree, the consultation documents are alway...
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RE: Load Compensation and Weather Compensation
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
@ecodan-efficiency On the other hand, the fact that the...
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RE: How accurate was your heat loss survey?
@scalextrix for our house 1950s detached the air leakag...
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RE: Air Changes per Hour - ACH and the MCS requirement
@matwin If you plan to commission one it might b...
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RE: Jokes and fun posts about heat pumps and renewables
In a similar vein, this recent spell of sustained good ...
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By the end of next month... 8 kW PV + Tesla Powerwall...
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RE: Various different approaches to battery storage.
I thought I'd share my story/journey and experiences he...
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