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Last seen: Sep 18, 2026
I came across this video: This is the perspective of, shall we call them, 'Big Boiler'. They take the position that they can build hydrogen boil...
It's also worth mentioning that heating in flats is a bit different from houses, because in flats you often have a lot of walls and floors that are he...
Interestingly, I think I figured out that Grant are rebrands of Chofu of Japan - the diagrams in the installation manuals are identical. I'm not fami...
Hi Mark, if you already have a plumbing background I can recommend the training videos from Freedom Heatpumps: Most of what they describe are Monobl...
I too am wondering this question - in this case Grant v Mitsubishi. The installer says Grant 'is the better product' which could be installerspeak fo...
@julianc Absolutely, I'm not really suggesting this as a feasible option for a lot of people. For other thing, the RHI and friends have a list of 'ap...
I posted this on another thread - from Alibaba: 11kW ASHP monobloc - $838 Heat pump water cylinder - $286 Radiator-style fan coil unit - $125 (i...
On costs, I've recently been spending some quality time on Alibaba. Typical examples (clickable links): 11kW ASHP monobloc - $838 Heat pump water...
@derek-m Yes, going for the classic industrial control route is one option. There's a certain merit to hardwiring in valves and sensors and running t...
I can't help but feel this is all a bit primitive. We have a mishmash of control systems all fighting against each other. For example, the heat pump...
@kev-m I haven't tried running rads at 50C as the old oil boiler is very unhappy if the output temp is set below 70C. I'm just curious whether there a...
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Latest Posts
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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 , 7 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 , 7 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 , 7 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 , 9 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 , 10 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 , 15 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 , 1 day ago
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My feed of random industrial auctions turned up this au...
By Prunus , 1 day ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 2 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 , 2 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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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 4 days ago
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