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Last seen: Nov 3, 2025
@ken the issue isn't a switch, the issue is that a battery/inverter has a peak output; for example my current setup is only 3.2kw (48v x 75amps). So y...
@editor how much battery storage are you planning? You're going to need a lot of batteries and a lot of capacity to actually use them to power an ASHP...
@jeff if its the middle of winter you are going to burn through your batteries in a couple of hours (if its for your ASHP) - IF they are fully charged...
@atommyk got pretty close yesterday to not using peak power Take off 3kw from anything "to grid" which gets dumped into my hot water tank via a So...
@editor I wouldn't get too bogged down in things personally. The fact is we don't really get power cuts in this country and if you were to get a reall...
@editor you need an off-grid setup with grid capabilities e.g. a secondary power source i.e. the grid or a generator. That should work. The issue is g...
@atommyk once the heat pump was installed that was always our plan. Saved us a tonne of cash so far - hence the thinking on bigger and more batteries....
@alex you get get EPS switches, but you'll need a new consumer board with that EPS attached to it so the specific loads can be isolated. It's simple e...
What's the split on batteries and solar? I'm looking at buying in some batteries for $240/kWh from China. Just check your inverter can work with multi...
@atommyk don't get me wrong, we are well down now on power use. Our batteries are full and much of the excess PV is heating our hot water at the momen...
@atommyk now we have the ASHP it's going to be a little different as that chews power. However it's good that we are basically free on the bulk of our...
@cathoderay they put a low loss header in my system. Next time we have a plumber in, I'll be having it removed. It's not needed and it's a cause of he...
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These are a bit hard to read but the information is in ...
By bobflux , 1 hour ago
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RE: Electricity price predictions
@toodles The octopus comms has been poor about tarif...
By Papahuhu , 1 hour ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Ah, not so useful then For sure, hopefully before ...
By JamesPa , 2 hours ago
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Thanks @editor I appreciate that things go wrong, bu...
By venkman , 2 hours ago
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RE: Seeking ideas / information / commiseration - Pure Drive
@little-lights If I understand you correctly your syste...
By JamesPa , 4 hours ago
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RE: Home energy storage & battery register
AC coupled Pure Drive 10kW battery Solar PV Solis P...
By Little Lights , 16 hours ago
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RE: Rate the quality of your heat pump design and installation
@claireisamazing, that’s got to be one of the most posi...
By Mars , 16 hours ago
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Got myself in a pickle. I have two types of plugs, but ...
By David999 , 16 hours ago
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@jamespa Great, thanks - I've had a quick look at the a...
By Little Lights , 19 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: ispookie666 Manufacturer: Vaillant Mo...
By ispookie666 , 19 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I'm fairly new to the forum and have not voted. Back...
By ispookie666 , 19 hours ago
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I am seeing an increasing number of occasions when my G...
By DavidAlgarve , 20 hours ago
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@transparent I have been a little reluctant to select "...
By DavidAlgarve , 21 hours ago
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
@editor Thanks Mars. I look forward to the subsequent ...
By DavidB , 1 day ago
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RE: Anyone concerned about GivEnergy?
Fair enough. Its interesting that opentherm (for boil...
By JamesPa , 1 day ago
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RE: Brand and installer questions for ASHP
A tank solely in the return (upstream of where the retu...
By JamesPa , 1 day ago
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RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
thank you to all who have already replied. I have been...
By madsid , 1 day ago
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RE: Home automation and the cloud; is there a better way?
+1 It's not just cloud though. Many devices have repla...
By bobflux , 2 days ago
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RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
So the red bars are 'DHW' and the yellow bars 'heating'...
By JamesPa , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 2 days ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 2 days ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 3 days ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 3 days ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 3 days ago


