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Last seen: Sep 20, 2026
@fillib It would be very interesting indeed to determine your actual house loss by plotting ASHP heat delivered vs OAT (eg on a daily basis). I look...
Yes exactly that. The UI presents it as adjusting the target room temperature. What it actually does is shift the WC curve (whether or not room infl...
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 ...
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
@singlespeed Thanks, however, I think there is more ...
By Rob of York , 6 minutes ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 15 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 15 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 16 hours ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 18 hours ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 18 hours ago
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RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 23 hours ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 1 day ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 1 day ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 2 days ago
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My feed of random industrial auctions turned up this au...
By Prunus , 2 days ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 3 days ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 4 days ago
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