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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
AllTopicsReplies
Reply
RE: Advice on GSHP quote please

@iainw COP stands for Coefficient of Performance, or efficiency in other worlds. Heat pumps absorb energy from the air or from the ground, or even f...

4 years ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Solar Performance

Hi Everyone, I watched a program the other day, on the BBC iPlayer, about the problems being experienced by the French Electricity Industry, and was...

4 years ago
Forum
Solar Photovoltaic (PV)
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RE: Observation about radiators and weather compensation

@cathoderay The reading shown at 19:00 will be for the period from 18:00 to 19:00. Because it is displaying energy consumption as integers, hourly...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should I move central heating pipes out of concrete floor?

I'm afraid I am not an expert when it comes to building and the relevant cost. I suppose that you could ask a local Plumber and Builder for an approxi...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay If you are going to keep records over a period of time, it may be useful to also note the weather conditions, to try to quantify the eff...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should I move central heating pipes out of concrete floor?

I would hope so, but obviously cannot state for certain. The pipework under the floorboards in our bungalow, which was built around the same time, app...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay Sounds like a plan.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should I move central heating pipes out of concrete floor?

I would hope that the pipes going through the concrete floor would be insulated. Is there anyway of finding out is this is the case or not?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay I have been giving your idea some thought and believe that it may be possible to have a simple spreadsheet calculation, that provides a ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin ASHP experiences as part of our Italian renovation project

@marzipan71 Hi Steve, Thanks for the photo's. A motorised 3-way valve is like the one that is located in the pipework above connection 8 on the ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay Measuring the electrical power input is fairly simple, and there are plenty of power meters that can do this with reasonable accuracy. C...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP What to do.

@keithc Where is 'here'?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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