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upnorthandpersonal
@upnorthandpersonal
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Trusted Member
Joined: Feb 11, 2026
Last seen: Feb 20, 2026
Profile Activity
Topics: 0 / Replies: 22
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RE: Home energy storage & battery register

I have 120kWh of LiFePO4 batteries (DIY), which I will likely expand this year to 200kWh. The original configuration 7 years ago was 28kWh with cells ...

1 week ago
Forum
Energy Storage
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RE: Rate the quality of your heat pump design and installation

  In my opinion, it's useless then. If you are considered to have authority over who can do the work, and are intended to be a form of vetting ...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing

  For reference, my house heat loss only gets to 8kW with an inside temperature of 22C when it's -40C outside...

1 week ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing

  Yes, you need something like this:     This kind of set-up is very common in places that use wood boilers here in Finland. ...

1 week ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
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RE: Tell us about your Solar (PV) setup

  Or as we call it here, Tuesday 😉  

1 week ago
Forum
Solar Photovoltaic (PV)
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RE: Rate the quality of your heat pump design and installation

@toodles The difference between Tukes and MCS, as far as I can see, is that MCS is optional, and has no power to enforce anything. Tukes is a gover...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Tell us about your Solar (PV) setup

So, I'm off-grid here in Finland. I have around 14kW of solar installed at the moment, and will be adding another 5kw of vertical solar panels this ye...

1 week ago
Forum
Solar Photovoltaic (PV)
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RE: Rate the quality of your heat pump design and installation

This seems insane to me. It feels like there are several issues in the UK, not even technical, that make heat pump installs fail. Let me preface this ...

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

Underfloor hydronic, powered by both the heat pump and a wood gasification burner (both coupled to a 3000L thermal store). In addition, I have a mason...

1 week ago
Forum
Introductions, Forum Rules & Updates
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RE: Say hello and introduce yourself

I finally took the time to register on here. I'm off-grid here in Finland at 63 degrees north. I have a heat pump among other heating systems. Not sur...

1 week ago
Forum
Introductions, Forum Rules & Updates
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