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Last seen: Nov 2, 2026
@fleurcules thats great news. My advice is to make sure he demonstrates high temperature operation and if you can note the cop when he does it (diffi...
Great then, you seem to be well sorted. Before I 'sign off' completely I should say that many of my comments above about possible causes no longer a...
Frankly Im not surprised. Please do read my previous post which, following 3 years on this forum and a very successful personal heat pump install, is...
Decades of dirt cheap North sea gas killed the competence of the heating industry in the UK. Just shove in a grossly oversized 30kW condensing boiler...
Ah, now it makes more sense. If it's sitting on the grille it's measuring air temp not rad temp. They need to be properly strapped to the radiator i...
That's a great one for the Uxbridge English dictionary (I'm Sorry I Haven't a Clue - Radio 4)
Are they properly in contact with the metal? You could check them with iced water and boiling water or tuck them under the insulation of the flow fr...
At 27 (DT of 10 relative to room) your rad output is roughly 20% of the output at 50 (dt 30 relative to room), say 600W. The rads most of the time ar...
OK Ive read this again and it just isnt making sense If I read this correctly you are apparently saying that that the house tem...
OK @papahuhu that makes things clearer. I dont know what algorithm Homely uses (@toodles may be able to help here - if @toodles you do look at this p...
A single design temp of 35 or less really would be the way to go. If it were my newbuild I would be insisting on it unless I had concrete proof (not ...
One school of thought says put almost nothing in and instead treat only to VDI2035 which is a German standard. So far as I can see there is a lot to ...
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Latest Posts
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Yes in terms of air/air + gas versus air/water + gas I ...
By EtchedPixels , 14 minutes ago
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RE: Octopussy cosy 6 experience
If its rented then also factor in the changing rules in...
By EtchedPixels , 38 minutes ago
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The alternative would be to move some productive energy...
By EtchedPixels , 43 minutes ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 1 hour 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 , 5 hours ago
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RE: Aerotherm and weather compensation
The principal cause of inefficiency if a heat pump is n...
By JamesPa , 18 hours 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 , 19 hours ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 22 hours 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 , 1 day 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 , 2 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 , 3 days ago
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Coming back on subject... A shortened version of the ...
By Transparent , 3 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 , 3 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 , 5 days ago



