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Last seen: May 31, 2026
We used to have an Indra V2G/H charger, and a leaf, got them in 2020 I think. We had the charger for 3 years, then gave it away as a spare - the comp...
On old (non inverter) compressors there’s sometimes a ‘start’ capacitor thats briefly put in series with a secondary coil, to encourage the compressor...
Like any electrical component, an SPD may fail. They're generally Metal Oxide Varisters (MOV), and over repeated high voltage spikes tend to slowly d...
Power limits are very common in France, typically 9kVA for a household, although anything from 3-36(3phase) is perhaps available. The higher the kVA ...
@transparent I do like the safety first precautionary approach. We could do with it in other aspects of life (PFC's, CO2 emissions...). I trust a ba...
@batpred Below is a simplified problematic RCD circuit I ‘found’. The trigger is the difference between L and N currents, which is then amplified u...
Thanks for the clear explanation @transparent. I think I agree with two sides of this issue: There is a risk that when a unidirectional rcbo/rcd tr...
The risk with an rcbo is that the cheap normal ones use a tiny transformer to create a signal if there is a difference in current between L and N cabl...
A blower door test typically pressurises the home to +/-50Pa relative to outside, and measures the airflow required to achieve this in m^3/hour. Usin...
The underground gas pipes near us are all being replaced, with our street around the time we removed it from our house altogether! I think the gas...
I think home batteries are now very inexpensive, £1000 will get you 16kWh from Aliexpress - I expect +shipping, £1400 all in price from fogstar in the...
Octopus removed our gas meter for free a couple of years ago - leaving a capped plastic pipe sticking out of the ground inside the old meter box. I k...
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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 , 23 minutes 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 , 14 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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