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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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Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders That's a serious amount of solar PV ...
By Rob of York , 5 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
So far there is nothing on the value of the BUS grants ...
By Rob of York , 8 hours ago
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Coming back on subject... A shortened version of the ...
By Transparent , 11 hours ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 12 hours ago
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RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 1 day ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 2 days ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 3 days ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 3 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 3 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 3 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 4 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 4 days ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 4 days ago



