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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Apr 25, 2026
Topics: 4 / Replies: 515
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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...

6 months 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 ...

6 months 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 months 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...

6 months 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...

6 months 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...

6 months 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,...

6 months 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...

6 months ago
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