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Last seen: Aug 16, 2026
I'm an electronics engineer, this is the kind of documentation considered appropriate for a 10 cents chip: about 50 pages describing all the character...
Does that include vehicles? Electric cars just slurp energy on an entirely new level. When I put in 11kW of inverter power I wondered if I was over ...
So 5m3 of mortar. With density 1.6-2 and thermal capacity 800-1000 J.kg/°C if the slab heats by 1°C that means 1.7-2.7 kWh is stored. So you can sto...
Agree with everything James said. With a heat pump + UFH + good insulation, if the installation is not botched you're pretty much in the ideal case ...
That would be a very nice solution, leverage the existing aircon, without adding extra complication to the air to water heat pump. But if the aircon...
Did you count heat loss due to ventilation? About that... if there are bathroom(s) in the intermittent occupation rooms, could be useful to be able ...
Best performance occurs with PV string near inverter nominal input voltage (360V). So panels should be selected to not exceed max inverter MPPT short ...
If it's only a few days a year, I'd recommend a second hand mobile air conditioning unit, those with caster wheels, can be had for 150€ for 3kW coolin...
Cooling a slab works fine, I tried back in the day with the old ground source heat pump. I did it passively, without running the heat pump, since the ...
Yes it's a shame the manufacturers make this vital information so difficult to access!
IMO "Oversizing the heat pump" is a bit of an over simplification. What really matters is what water flow rate the heat pump likes, and its modulati...
First please check (and share) the cylinder documentation. For example while searching for "Vaillant 150l cylinder" I came up with this VIH RW 150/5 C...
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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...
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Flush and fill all complete. Octopus kindly gave us a...
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For what it's worth I installed a wood burner in this o...
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@editor Thanks for your response and recommendations. ...
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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...
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RE: Indevolt Batteries UK Support & Info Thread
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RE: Solar Power Output – Let’s Compare Generation Figures
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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...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 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...
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
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