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Last seen: Oct 19, 2026
I have a real problem with that as its effectively retrospective planning legislation. What was legal as regards building has to remain legal, otherw...
Because they don't know your room temperature and it's only (average) DT that matters Not strictly I think. It's 20 plus half the DT between flo...
Fair enough and very believable. I was responding to a comment which seemed to be suggesting that their use should be somehow restricted by regulatio...
Not so sure about that. Points 3-4 are on a constant (refrigerant) temperature line, which you can see because refrigerant temperature is on the diag...
Id go for a definite maybe. The question was about balancing. If you adjust the flow overall down on a system where the radiators are balanced then a...
The Telegraph teasers are in one sense baffling and in another sense easy to understand. Most people only look at the teasers and of course they have...
I honestly dont know. Mitsubishi seem to have a fairly similar modulation ratio, but those pumps are, I think, also constant flow (like Vaillant the ...
Really - thats terrible. If it cant be changed in the UI its a very good argument not to buy a Samsung Gen 6 heat pump!
Sensible. After you have done that perhaps consider what is triggering reheat. It looks like its DHW tank temperature alone not a timer plus DHW t...
Unfortunately the UK is a small market, we are essentially reliant on the EU (where of course we no longer have a seat) to implement the manufacturing...
It looks like Eco mode may have tamed the DHW curve a bit (see below), but a COP of .87 is less than 1 and you would be better off heating on the imme...
Indeed. Its weird at first but you get used to it and actually it is more comfortable because the temperature gradients are less. There is a school...
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Degrees of Separation
Latest Posts
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First you need to know how much thermal energy you'll n...
By bobflux , 2 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
@toodles Ah, that makes sense. Your using the TRV bo...
By Singlespeed , 2 hours ago
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RE: Renewables & Heat Pumps in the News
Yes, energy seems less of a priority, even if the cost ...
By Batpred , 3 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
By Mars , 1 day ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@razz, as we head into the heating season, I just wante...
By Mars , 1 day ago
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 3 days ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 3 days ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 3 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 3 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 3 days ago
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Bufferless design & control of Chinese air to water monoblock hybrid heat pump in Alberta, Canada
This post is about how I successfully configured a buff...
By Tony.Stolz , 3 days ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 4 days ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 4 days ago
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