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Last seen: Aug 16, 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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@davidb I can’t help you with contacts at Vaillant unfo...
By Mars , 1 hour ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@Ian-S, I actually think this is a pretty reasonable pl...
By Mars , 2 hours ago
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RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 5 hours ago
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RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 5 hours ago
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RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 6 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 days ago
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 6 days ago
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago
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