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Derek M
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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: 4405
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Reply
RE: Do setbacks save energy without compromising comfort?

@jamespa After trying various options I decided that the hourly average of all the LWT values was probably the correct method since the water pump k...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@jamespa Thanks for the reply James, I think for the time being I will follow your advice and stick with the linear model. I started a reply to yo...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid consultation on upgrading etc

@transparent Maybe the energy industry should be nationalised, that should prevent the companies from making excessive profits.

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Ecodan 8.5kW ASHP - 320L DHW Tank

@ambaz79 The fact that the temperature sensor is located in the bottom section of the tank will be the reason why the reading plummets. There should...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid consultation on upgrading etc

@transparent It is only when one looks at the big picture does one become aware of how immense the size of the problem. It is not just a matter of b...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Ecodan 8.5kW ASHP - 320L DHW Tank

@mikefitz I suppose that the first thing would be to quantify how much electrical energy is being used during the DHW heating cycle, since this shou...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid consultation on upgrading etc

@transparent You may not believe me, not many do, I was going to say £20 billion, but then decided I had better keep quiet.

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Do setbacks save energy without compromising comfort?

Hi James, I need to go 'hunting and gathering' at the supermarket, but I will reply later. I deliberately did not add any comments to the previous p...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

For those forum members who have a fetish for spreadsheets, I have been running some raw data (kindly provided by CathodeRay) through a modeling toll,...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid consultation on upgrading etc

@transparent I think that I will just ask Santa for a portable generator. 😋

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Ecodan appears to be ignoring Temperature Compensation

@mcwatson1974 You cannot carry out DHW heating and UFH at the same time, the two requirements are incompatible. Whilst your UFH should require a Lea...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid consultation on upgrading etc

@transparent What we need is an outbreak of common sense, probably from a lab in China. 😋

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
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