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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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Latest Posts
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RE: Electrical works for air to air heat pump
Best, honest advice here will come from @ashp-bobba!
By Mars , 11 minutes ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels I agree, the modelling can never be tha...
By Rob of York , 37 minutes ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews I have read you latest response re buffer ...
By JamesPa , 13 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 24 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 3 days ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 3 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 3 days ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 3 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 4 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 4 days ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 5 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 5 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 5 days ago


