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Last seen: Nov 3, 2026
@jamespa and @rob-of-york — thank you both very much I think I have now got it well enough to retain it! The light bulb paragraph for me (I am better ...
This was how I understood things, and is why you need to add PO to the primary source contribution (which I will call PP, Power Primary, as opposed to...
That is a very good point which I hadn't taken into account. I don't mind being warm, but it is wasted energy. Another point is that in winter, the DH...
I agree, and I think it is good stuff to be posting, as it provides others who have sufficient data to do their own analyses. It's possible it is...
I'm still not sure! Consider this chart with an added line which represent to total heat loss: My reasoning: the added upper dot...
Thanks. No, I forgot to do that. But don't we add it when using IAT - OAT rather than degree days? The plotted line shows what the heat pump supplies,...
This thread being the more generic one is I think the best place for this post. I have now plotted my data from 1st Jan 2026 to the end of the heati...
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Degrees of Separation
Latest Posts
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There's a company called Xlinks who are proposing just ...
By Transparent , 6 minutes ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 hours ago
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RE: Octopussy cosy 6 experience
@paultheheating Unless things have changed more recentl...
By Toodles , 17 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Sorry I thought and meant to put 'may' in, but the diff...
By JamesPa , 20 hours ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 22 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
Potentially the largest data centre hub in Europe and t...
By Jeff , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 2 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 2 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels Agreed, just a thought for others. I am...
By Watcher , 3 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 4 days ago
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Coming back on subject... A shortened version of the ...
By Transparent , 4 days ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 4 days ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 6 days ago
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