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Illustrious Member
Joined: Jan 20, 2022
Last seen: Jul 23, 2025
Profile Activity
Topics: 16 / Replies: 2416
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Reply
RE: Cosy Octopus - New ASHP tarrif

@allyfish - It is very important that this feedback is given to Octopus, preferably by email so they can pass it internally to the relevant people. ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Questions about Ecodan cascade system

No @tommcl I'm afraid it's not that simple, although your idea is commendable for making best use of the available energy. The battery in an EV diff...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

In general I would always expect 'soil' to be a better heat transfer material than concrete, if only because it contains water.It's not just the high ...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

The issue I'm grappling with here is that you want to either heat or cool the air passing through your MVHR. I have an MVHR unit in the loft... a se...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

Apologies for not appreciating the difference between a GSHP coil and one being used as a heat-exchanger. Nonetheless, its efficiency is constrained...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

Thanks for clarifying @alexm but I don't think that would work. Firstly I would expect any GSHP installer to provide a desk-study/survey based on th...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

The installer should not have used a 5kW grid-tied inverter under these circumstances.It's not their decision - because they are required to operate w...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Questions about Ecodan cascade system

Yes @tommcl - there are several topics in which such strategies are discussed. Battery storage is one of my own areas of expertise.That doesn't mean...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

NH fuses. Ignore price for the moment @korwraith and let's concentrate on what the fuse is intended to do. NH fuses are a German design/specificatio...

3 years ago
Forum
Energy Storage
Reply
RE: Questions about Ecodan cascade system

Hi @tommcl and welcome to the forum. There are others here who can address the Ecodan questions better than I. But I'm intrigued as to the 6kW of ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Shelving options for LF280K batteries

That's a very helpful photo @chickenbig - thank you. Here's the dimensions of a battery in the relevant orientation with no spacers between cells in...

3 years ago
Forum
Energy Storage
Reply
RE: Shelving options for LF280K batteries

I'm somewhat struggling to picture these shelves with your dimensions @chickenbig Graphics would make it a lot easier to follow - either the sort of...

3 years ago
Forum
Energy Storage
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