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Last seen: Jul 27, 2026
This looks like a practical solution 👍
Here's a LibreOffice spreadsheet. I put the formula for pipe pressure drop in a macro, so you'll have to enable macros in the options when it loads....
Pylontech US5000 stores about 4.3 kWh accounting for inverter losses and costs 1000€. Over 3000 cycles this means one kWh going through the battery co...
I also totally agree with the recommendations from Mars and James 🤣 All installers who came here wanted a big buffer tank. When I attempted...
Yes, here's mine. From the service manual parts numbers (compressor etc), the 12-14-16kW models are identical, and all are actually "much more than 16...
Had to learn the hard way 🤣 now I'm sharing The house has underfloor heating with non barrier PEX installed by the previous owner, this ende...
I'm going to install Thermacome ACOSI+ radiant ceiling. It's a French product, so perhaps not available in the UK, but still some important points: ...
@mk4 Charge to 100%, discharge down to 10%.
This mess is intriguing: I wonder if this represents cycling, and if so how long the cycles are. But I don't see cycles on the water temperature c...
ASHPs do have a minimum compressor speed. The minimum heat output at that speed depends on air and water temperature. 12kW Vaillant with 45/40°C wat...
Location: near Lyon, France 12kWp on the roof, 2x Solis S5 6kW hybrids, 20kWh Pylontech So far pretty good
I wonder what the units are on this plot
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@peterackstraw 13.5 kWh’s of battery capacity is unlike...
By Toodles , 3 minutes ago
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@editor — it was a not very well implemented so far as ...
By cathodeRay , 20 minutes ago
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RE: Microgeneration Certification Scheme (MCS)
@jamespa A cynical view but, I fear that it is a fair ...
By Toodles , 21 minutes ago
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Something sounds odd there; if you have solar power cha...
By Toodles , 25 minutes ago
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RE: Jokes and fun posts about heat pumps and renewables
... except that the legal notice (part of which was rep...
By JamesPa , 1 hour 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 , 21 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 , 3 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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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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