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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Jul 13, 2025
Profile Activity
Topics: 2 / Replies: 366
AllTopicsReplies
Reply
RE: Hot Spring Ground Source Heating

What a lovely project to have! You are right it will mean a heat exchanger since you can’t use the water directly it would be too risky on water acidi...

8 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: How to make me regret installing a heat pump

I’m not going to divert this post into the (not allowed) political area, but the Octopus guy is being frank. There is a conflict in any market-based s...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: How to make me regret installing a heat pump

“A lot going on” but at no time did I claim it was constructive, enough for net-zero, or making real progress! But rather they are producing papers an...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: How to make me regret installing a heat pump

@transparent makes several very good points in his post. Let’s imagine Another Major Supplier (AMS) who is loosing market share and as he so very well...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: How to make me regret installing a heat pump

This is the document which seems to inspire the articleall 85pages of it. I’ve not found any OBR projections of changes to green levies on the latest ...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: New heat pump (Vaillant Arotherm + 7kW) performing better than installers expected?

Our 7kW Vaillant is also performing better than expected in that October gave us an average COP of 5.8 and extrapolating from spot calculations would ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to make me regret installing a heat pump

Since I might have to save my pennies to afford our electric bill 🤣 I won’t be subscribing to the FT any time soon. But their reporting is usu...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: ASHP + UFH, no circulation pump

Our UFH feels warm to the toes when running at 24C, but I have sensitive toes(!) What floor covering do you have on the floor? Only ceramic tile wil...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Inverter control of power from batteries

@homonid answering the simplest aspect of your questions only. If you draw peak currents which could be higher than the inverter output then your top-...

8 months ago
Forum
Energy Storage
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

You need to use Heat Geek, BG or Octopus to be certain of no buffer. You may get a volumiser (smaller tank in series) depending on your system. Don’t ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Business case for a battery?

Cosy is a construct to win over ashp owners and if you compare it to the agile prices (again as shown by energy stats) you can see how they fit it int...

8 months ago
Forum
Energy Storage
Reply
RE: Business case for a battery?

Another input on correlation of low price with green fuel (or lack of it) is Octopus green days/p> This is a screen capture of the last 50days again...

9 months ago
Forum
Energy Storage
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