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Judith
@judith
Member
Noble Member
Joined: Nov 28, 2023
Last seen: Oct 31, 2025
Topics: 3 / Replies: 421
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RE: When will fusion be producing energy?

From the time I was a physics undergraduate it’s been 25 years off. I’ve now retired and it’s still 25 years off. So it’s had a lot of investment th...

16 hours ago
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RE: Is it mad to think there should be a minimum SCOP for UK heat pump installs?

Sadly I think it is mad. If the BUS is not granted for too low a system SCOP (I forget the exact system interface definitions and numbers) then who pa...

16 hours ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

The air changes per hour in the leakage values is the most guessed parameter. Assessors have guidelines based on the house build date. If you have an ...

5 days ago
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RE: RDSAP10 effect on existing heat pump EPC rating?

@mike-patrick Michael De Podestahas had extensive ‘fun’ with EPCs. He eventually got the basic mistake of rating an Ashp as ‘poor electric heating’ ch...

6 days ago
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RE: Renewables & Heat Pumps in the News

Back again to the Spanish blackout this was in the Economist last week Which says need for a change of operating procedure. Relatedly (but less...

1 week ago
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RE: DESNZ doing a survey which asks the right questions!

@jamespa but is MCS capable of knowing the difference between a good, indifferent or bad installation? They seem to first check the paperwork is prese...

1 week ago
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RE: Solar inverters - where does the energy go when clipping?

Since the combination of fitting plus scaffolding makes a big proportion of the price it doesn’t look as if it matters much. I’m surprised that mono-c...

1 week ago
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RE: How good is the app support for your heat pump?

We use the Vaillant app and it does everything we need. Weather compensation and now the parameters can be adjusted on the app too. There are 3 modes,...

2 weeks ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing

“Anyway, we know that the assumption the heat pump will be running continuously is based on the fact a cylinder is assumed to be always part of the so...

3 weeks ago
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