
Last seen: Aug 15, 2025
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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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
@editor Have ‘signed up’ for an interview Mars, looks i...
By Toodles , 2 hours ago
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@profzarkov Good to know in case it ever happens to me...
By bontwoody , 3 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@patrickvito We have had car dealers re-powder coat the...
By ASHP-BOBBA , 4 hours ago
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 4 hours ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 4 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@thundermink can you provide photos to illustrate your ...
By Morgan , 4 hours ago
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 7 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 9 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
After our rather lengthy meander off piste, I thought I...
By GrahamF , 10 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - to collect the IAT/OAT data, can I sugges...
By cathodeRay , 12 hours ago
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RE: Ecodan software update. Real or scam?
@vinz86 Contact Mitsubishi and an engineer attends and ...
By ASHP-BOBBA , 22 hours ago
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@drei When I was in local government we were of cours...
By JamesPa , 1 day ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Sufficient system volume is also essential for ensuring...
By Old_Scientist , 1 day ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As someone who has suffered from a Heat Pump installati...
By DREI , 2 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I’ve also got a dual fuel Rangemaster. We originally ha...
By Majordennisbloodnok , 2 days ago
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RE: Octopus tariffs - a quick comparison
@tim441 I’d agree wholeheartedly with that, with 2 x Po...
By Toodles , 2 days ago
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RE: Electricity price predictions
@bontwoody Maybe one for @editor to consider whether a ...
By ChandyKris , 2 days ago
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RE: is a home battery without an EV worth it?
You would think, but when I had my Powerwall 3 installe...
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