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Last seen: Sep 20, 2026
Sorry to hear that. I have the 7kW Vaillant and, apart from an unfortunate increase in noise when its defrosting, its been excellent. Of course if th...
Quite possibly not, unfortunately. Houses have a significant heat capacity (thermal mass) which means that measurements over short periods of time c...
Hi Welcome to the forum. Please feel free to ask any questions. In order to help can you give a bit more detail about how it locks up, what is ha...
What power do you need at what FT? will thio one do/p> otherwise it looks like a kickspace heater is what you need
Thats better insulated than my 1930s house of about the same size, apart from the loft which is easily and cheaply upgraded (so I would recommend doin...
You need an extra pump that pumps the water from the DHW tank through the heat exchanger which is external to the DHW tank. The other side of the PGE...
I look forward to the further info and will do my best to help. The thing about heating is that the physics is extremely simple indeed but the a...
Thats definitely one option. I also have south facing rooms. One, our main living room has a fan radiator which modulates its fan down and eventual...
PHE plus UVC direct cylinder (no coil) plus pump is cheaper than most heat pump cylinders. However its 'different' and people dont like 'different'. ...
@adamkis the one I have, there is a smaller one but the size difference is quite small and obviously the fan will have to work harder on the smaller o...
Interesting Have you got some examples/evidence you can point to. So far my Vaillant 7kW operated 24x7 open zone no buffer tank is working out 13% ...
I have one Mitsubishi wall mounted fan coil in my otherwise all radiator ASHP system, installed because a passive radiator wouldn't fit. It's in the r...
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
First up once I have a flow meter fitted is to simply m...
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 , 23 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 , 23 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 , 23 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 , 1 day 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 , 1 day 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 , 1 day ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 2 days 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 , 2 days 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 , 5 days ago
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