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Last seen: Oct 20, 2026
It's not my airy-fairy logic, it's the regression which shows the OAT as measured by the heat pump can predict the energy in. It doesn't (within reaso...
Very interesting! Perhaps I because I normally deal with medical/epidemiological data, which is invariably a very long way from tidy, I do like scatte...
The 'several degrees' is simply not true, unless your version of several includes a few, ie one or two possibly very occasionally three degrees. See t...
I found an announcement and a link here. This is a direct link to a PDF of the letter (link downloads the pdf). If neither of the above work, let ...
Not sure I agree with this, as the control period range spans almost all of the setback period range, meaning the extrapolation is small, and only app...
@jamespa - these may be of interest: plots of the periods at the end of the last heating season and the start of this heating season, when there were ...
I agree, and there is also the uptick at the left hand end very possibly due to declining COP as Set LWT increases. However, extrapolating beyond the ...
I do agree, how the the circulating pumps are treated for energy use is an unknown. I've been inclined to suppose they were part, maybe most, of the e...
The basic answer to this question (is there a vampire load and/or secondary heating source) is relatively straightforward. As far as I can tell, there...
I absolute do get it, and have done so for a time, but only with hindsight. At design/installation time the installer and I hadn't seen the Midea engi...
Not quite right: the available wall space was a significant constraint (no huge rads, allowing a lower LWT), but by using K3s and a high LWT, I could ...
@jamespa - all very interesting, with much to think about. The sun is shinning and I have other things to do today, but I will think about things as a...
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Latest Posts
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RE: 15kw pump for 225m2 1990's house - over kill?
@editor sorry should have been clearer - the whole hous...
By Carpenterstation , 5 hours ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
Maybe this is why Octopus and Fuse are hell bent on plu...
By dansus , 6 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Manually setting the charging times and rates o...
By dansus , 7 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Ours is similar to James, but with a few optional tweak...
By Batpred , 9 hours ago
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RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 9 hours ago
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RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
My Vodafone FTTP broadband was down for a month when I ...
By JamesPa , 13 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 16 hours ago
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My heating has been off and DHW on throughout the summe...
By DavidAlgarve , 19 hours ago
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RE: Anyone concerned about GivEnergy?
The GivE forum seemed to have survived the collapse of ...
By downfield , 20 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
@singlespeed I had better explain how my radiators are ...
By Toodles , 20 hours ago
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RE: Cooling/heating with one unit
@mrkfm The Solo has a small capacity and only suitable ...
By dgclimatecontrol , 21 hours ago
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First you need to know how much thermal energy you'll n...
By bobflux , 1 day 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 , 3 days 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 , 4 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 , 4 days ago
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