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Judith
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Judith
@judith
Member
Noble Member
Joined: Nov 28, 2023
Last seen: Oct 20, 2025
Profile Activity
Topics: 3 / Replies: 414
AllTopicsReplies
Reply
RE: Electricity price predictions

I’ve been educating myself on electricity supply issues and the above research briefing is a balanced summary. Newspapers and statements from companie...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@derek-m and others i think I’m getting there, so can I try this out…..? There are too many dTs in this game. Derek rightly corrected me on averag...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Retrofitting UFH with a heat pump already installed

We’ve just had ufh in our (not yet finished) extension but the rest of the house has radiators (and will stay that way). We really had to insist that ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Naive input here: I understand that LLH are supposed to act as impedance transformers (when set up right), giving the option of a higher delta T acr...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

I’m not that stupid, but I’m having trouble getting my head around this, science, engineering, physics, control engineering and programme management t...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Dual Fuel Towel Rail valve settings.

Aaaaah! your situation is more complicated than I realised!

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Dual Fuel Towel Rail valve settings.

@toodles I asked the plumber who was installing this yesterday (we’re only going to use the electric version in the summer when the water isn’t bei...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Running my heat pump for half the cost of a gas boiler

Hi Rachel, what a great piece of work and inspiring too. Since I have no coding skills I was planning to rely on a tariff such as Cosy and battery s...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

@jwilliams89 are Heacol close enough?And the boss posts in this forum using@heacol

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

I don’t see any aspects of “doing a bad thing”, LLH are a good engineering solution to some identified problems, namely emitter sizes (and hence total...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@toodles graham hendra wrote an article on why llhs used to be needed and aren’t needed any more

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Similar question to all i understand some ashp manufacturers insist on a llh/ 4 port buffer. Who are they so that they can be ignored, together with...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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