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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Aug 6, 2025
Profile Activity
Topics: 2 / Replies: 371
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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...

9 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-...

9 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 ...

9 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...

9 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
Reply
RE: My horrific Samsung heat pump installation and experience

I too understand reflection factors from a mW communications background and their use is completely inappropriate for water flow along pipes. Keeping ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Kraken

This is a more technical description by axleand I’m sure I’ve read a comprehensive description on Linked in without as much gush(easy to have less gus...

9 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Installing a heat pump in a Grade II listed property

Perhaps I’ve missed key points in this discussion but why would the OIT-IAT vary with how hard the pump is working in the general case? I can unders...

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

I started off thinking of a battery need as to provide all 24hrs of electricity usage. But that not the right approach for us and since the battery al...

9 months ago
Forum
Energy Storage
Reply
RE: The Definitive Guide to Weather Compensation and Curves for Air Source Heat Pumps

We’re on Vaillant’s 0.55 curve which means 42C at -2C and around 30C at an OAT of 15C. The pump cycles about once an hour once it’s warmed up the ho...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 6 installation (fan boy video)

This is a better article to understand the carbon cost of steel

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

Neat analysis! Thanks

9 months ago
Forum
Energy Storage
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