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Last seen: Jul 27, 2026
For most vulnerable and poor people you need to be talking to their landlord, who increasingly is a large mostly US venture capital fund who a) doesn'...
Just one note - if you are Dutch then Deye and Sunsynk are basically the same (the relationship is a lot more complicated) but it's basically the same...
Technically the vote (and thus the "will of parliament") is the decider but the number of votes a ruling party in the UK has lost in the last 50 years...
BS7671 is only relevant through Building Regulations Part P. If the government uses secondary legislation to amend Part P, or to clarify that...
@toodles With a phase change material the point is that the building doesn't change temperature due to the phase change. Instead it sits stubbornly at...
Stratification and size changes too. Phase change materials tend to change size and thus need a rather more flexible containment. There has been a d...
That will be absolutely murdering your energy efficiency unless properly abated when not in use, and it also drives losses in places you don't expect ...
The cooling side works much better if you can figure out how to get the energy out. The amount of kWh involved in freezing or melting a cubic metre of...
For passivehaus btw you also need to consider just using an electric heater (or even a large dog) as at that level of efficiency it can be that you si...
Whats more relevant is that a badly installed air/air system has a COP of near 4. Given the kind of people who do a lot of installs this is a feature ...
Why get a battery pre-built ? 1. Because you need the tools and to know how to do it safely. Things like gloves, no jewellery etc, correct torquing ...
We already have a helium shortage so presumably they have to get this from "neat trick with helium" to product made with cheap gasses. Given how long ...
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Degrees of Separation
Latest Posts
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RE: Jokes and fun posts about heat pumps and renewables
@transparent I’ve heard that that is why American cars ...
By Toodles , 5 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
By Old_Scientist , 19 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist if you are going DIY then you may wan...
By Papahuhu , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 2 days ago
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 2 days ago
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 3 days ago
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Who did the Freedom Heat Pump cloud server and what did...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
Reading between the lines of what octopus are doing wit...
By JamesPa , 3 days ago
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 3 days ago
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I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 3 days ago
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@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 3 days ago
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@editor wellvery comprehensive answer. I will get all i...
By Keithb , 3 days ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
By PaulC , 3 days ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 4 days ago
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