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Last seen: Oct 19, 2026
Quite right, definitely not a product of whatiffery! Instead, empirical trial and error, which is ongoing. One thing I have picked up recently is that...
I shall endeavour, as I always do, to keep relations between Freedom and me as warm and as cordial as can be.
Righty ho, here we go! The question is: does the lower mean LWT caused by cycling critically reduce output at low OATs? Current best estimate of hea...
I agree, but is that by design or by accident? There is also some evidence of overshoot at the end, not beginning, of the cycles in the chart I posted...
@jamespa - agreed. But never one to sit still, I have been thinking about another possible cause for the low OAT deficit, which does involve, indeed i...
@jamespa - all agreed, even most of the part in the middle about the PWM cable connection/disconnection test, with the minor difference that while the...
I don't think we are far apart, what differences there are are down to semantics and writing styles. I note you tend to use explicit often bracketed c...
To I hope clear up some points: I can say what I like (within the usual limits) but equally I am open to refutation! This is actually a woolly bi...
Perhaps the most interesting period in the chart is not when the heat pump is misbehaving, but when it is behaving, ie running at steady state, eg be...
Thanks. In reply: The flow temps are high by design. The rads (all rads, no UFH) are as large as can be (and are are all bar two K3s) but the height...
Part 4: Software Installation - OS (operating system) and Home Assistant Disclaimer(and this is entirely my fault): because I did my own install...
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Latest Posts
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RE: How quickly would you want/expect heat recovery to take from setback?
That's my worry - Mrs J will be calling the ambulance w...
By AndrewJ , 12 minutes ago
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RE: Renewables & Heat Pumps in the News
@batpred ‘My Johnny is the only one in step - all the o...
By Toodles , 43 minutes 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 , 23 hours 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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@bobflux Thank you for your response. I am trying to ...
By RonV. , 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 , 3 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 , 3 days ago

