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Last seen: May 31, 2026
@diverted-energy In our unusual resource constrained situation, I can't see a helpful way to avoid energy being expensive. If taxes are reduced, a...
I'm torn between the "Tesla future" which I want, and what I consider to be closer to reality - there's just not enough "Carbon budget" for everybody ...
We have a lot of insulation - 150mm EWI, and a very heavyweight house - brick & solid concrete floor, so it takes days and days to change the temp...
@Aceshigh The thermosypon effect will be from any hot water store, where a pipe exits and heads upwards, or horiz then upwards. It's most likely ju...
@editor To turn down the light brightness, you'd generally put a resistor in series. I wouldn't be worried about buying a unit like the one linked...
@Mars I've done this kind of thing - there's an easy way, and a hard way! The easy way is to buy a solar panel + battery + PIR light like the one ...
I think there's a PP subtlety - if an ashp is installed by an mcs installer, then it is PD (permitted Development). If it's diy, technically PP is ne...
@transparent Are your ELV applications generally fixed wiring? There is a fair amount of available 12V automotive plug in equipment, generally usi...
I'm guessing the pump is there to boost the flow of the water, in a low pressure DHW system? Try turning it off somehow, or turning it down, see if y...
@aceshigh I’ve heard a ‘london loop’ can prevent thermosiphoning - it’s a 30cm or so pipe down then looping back up. The down segment prevents thermo...
As others have said, I can't see a long term future for significant hydrogen pumped to homes for heating. It's so inefficient and complex to make, tr...
I would try hard to put it inside the thermal envelope of the house. They're not normally noisy, but there's always lots of pipes, valves, an immersi...
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Latest Posts
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RE: Heat pump installation quotations
@batpred These are good point, thank you!
By sttpd1917 , 4 minutes ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 4 minutes ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 9 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 3 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 3 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 4 hours ago
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My first question is why bother with the auto balancin...
By JamesPa , 4 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 5 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 5 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 6 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 8 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago



