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EtchedPixels
@etchedpixels
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Joined: May 27, 2026
Last seen: Oct 16, 2026
Profile Activity
Topics: 0 / Replies: 174
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Reply
RE: Several AC coupled batteries

Why get a battery pre-built ? 1. Because you need the tools and to know how to do it safely. Things like gloves, no jewellery etc, correct torquing ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Helium heat pumps

We already have a helium shortage so presumably they have to get this from "neat trick with helium" to product made with cheap gasses. Given how long ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Several AC coupled batteries

You can buy a pre-assembled 16kWh battery for about the same at this point and that's despite battery prices shooting up due to Trump (they were neare...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Several AC coupled batteries

Not a chance given the likely next government. More likely they'd "cut" energy bills by arbitrarily revoking FIT and cancelling all feed in tariffs. A...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Several AC coupled batteries

You can change a lot and keep a FIT but the whole thing can get to be a bit of a nightmare and will need an installer who knows the rules and likes fo...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Several AC coupled batteries

I think the big question here will be your G100/G99. AC coupling means everything gets counted together. So 3kW of FIT, plus 3kW of AC coupled inverte...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Outdoor Battery Solutions?

VAT Notice 708/6. It's not as far as I am aware ever mentioned MCS and indeed many of the things it covers are simply not even MCS covered in the fi...

4 months ago
Forum
Energy Storage
Reply
RE: Outdoor Battery Solutions?

Is it not now referenced by BS7671 and the latest book (I'm too cheap to buy a new copy to find out). If it is as I understand then it's now got the f...

4 months ago
Forum
Energy Storage
Reply
RE: Solar Schematic – Switching FiT Providers

We had a nightmare trying to switch out FIT to Octopus and gave up. I don't see anything obviously wrong. You got a good G99 though!

4 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Air to Air Heat Pumps

The fix for allowing a few electric heaters is actually really important because it's common even in a full air/air setup that you'd want something li...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How can I cool inverter and batteries during hot spells?

"Next ?". We already know EWI is in most cases going to be a spray foam grade disaster. It's like all of these things though. The UK work is done as c...

4 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: How can I cool inverter and batteries during hot spells?

I think it's going to depend on the size of your loft. The amount of air you can actually move with a fan isn't huge and it'll also often fail to move...

4 months ago
Forum
Solar Photovoltaic (PV)
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