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Last seen: Oct 18, 2026
There are a couple of general points to make here. Contrary to what the manufacturers of heating control systems would like us to believe: Lots ...
What's the problem you are trying to solve. The answer may be both, tell us more about your system, your house, and what problem you think you have
Good luck. For what it is worth my system was very definitely an upgrade to my heating. Both DHW and space heating are now far superior to what I ha...
Here are the performance curves for the 3 and 5kW machines. Sorry they are in Czech, these tables dont seem to appear on the UK website. Note that ...
Here is an analysis of the rads proposed excluding the bathroom where Im not sure what is actually being suggested. The big differences, in favour of...
@eliuccio I think what you are seeing is the variation is loss estimates. It happens, they are estimates, making different assumptions any of whic...
@eliuccio Thorough analysis and, tbh, it looks like you have two viable quotes (a good position even if it makes the choice difficult!) Here ...
Cynically I would suggest its there to protect the installer and cost you money unnecessarily (both at install time and in running costs). The smar...
Yes Yes to the first No to the second (I think) as this results in cold return water being swept up into the flow, reducing the flow temp to em...
In addition to the above you might want to balance out the buffer so it is acting as if not there. Adjust pump speeds for minimum difference in temp ...
It sounds like you get it, maximise the load by opening everything up, cancel mixing by setting the mixer valve temp to max, and then batch heat your ...
I'm really sorry to hear that. As others have said this is massively oversized. It is also massively overcomplicated. Taking the two together this...
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Degrees of Separation
Latest Posts
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RE: Renewables & Heat Pumps in the News
An invention is a new device, method or process. The Co...
By Majordennisbloodnok , 4 minutes ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Exactly, and this is the point, a heat pump operating n...
By cathodeRay , 1 hour 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 , 1 day 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 , 2 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 , 2 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 , 2 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 , 2 days ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 2 days ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 2 days ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 2 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 , 2 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 , 2 days ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 3 days ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 3 days ago
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