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Last seen: Oct 20, 2026
I think you are covering two points, namely water pump modulation and control strategy (weather compensation and/or room thermostats. I will deal wit...
Firstly thank you for the feedback, its always good to get. The only way I can see you could balance the temperatures would be to throttle the UFH. ...
In fairness I would expect the COP to change, because you are working the heat pump harder in setback (which is the whole basis of the argument that s...
@cliffhanger suggest you reread my post above, I edited it after you looked at it. I found a video which helps a bit, but Grant do seem to have come ...
@cliffhanger I have a pump with the 'factor' curves and, once you understand them they are easy to operate, easier in fact than the '4 point' system...
As others have implied, the latter (this is the most important thing to understand about heat pumps). In short the procedure is: Set all your...
Definitely - I didnt realise that they had a stake in the house in warehouse. Octopus also have access to 'big data' from their installed heat pumps...
With his permission I did some analysis on the plots of 'similar days' posted by @cathoderay a few posts ago. The most important thing that comes o...
The heating curve specifies a higher LWT at low OATs, and a lower LWT at higher OATs. Thats the whole point of the heating curve - it varies the LWT ...
It is indeed a good question. The purpose is always said to be to ensure that there is sufficient water in the system to yield sufficient energy to...
Mine are also upstairs because I upgraded them before I realised how much the heat pump industry overestimates house losses. Still not a problem alth...
I confess I had to look up 'ceritus paribus', but having done so it is the problem with almost anything to do with domestic heating and heat pumps (po...
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Latest Posts
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RE: Anyone concerned about GivEnergy?
The GivE forum seemed to have survived the collapse of ...
By downfield , 42 minutes 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 , 1 hour ago
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RE: Cooling/heating with one unit
@mrkfm The Solo has a small capacity and only suitable ...
By dgclimatecontrol , 2 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
Firstly you have come to the right place and its good t...
By JamesPa , 2 hours ago
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RE: Renewables & Heat Pumps in the News
The irony is there's already an established internation...
By Temperature_Gradient , 4 hours ago
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First you need to know how much thermal energy you'll n...
By bobflux , 14 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 , 2 days 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 , 2 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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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 , 4 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 , 4 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 , 4 days ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 4 days ago
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