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Derek M
@derek-m
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Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
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Reply
RE: Do setbacks save energy without compromising comfort?

If you hit the back arrow on your browser it usually recovers, and yes I have been getting the error message quite frequently for the past couple of d...

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

Could you please explain why, in the 4th Nov. data, during the period before setback commenced, when the heat pump should have been operating in a sta...

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

@editor Have you considered 'Octopus Tracker'? Today's price in our area is 18.27p and I'm quite certain our standing charge is lower than yours.

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

@cathoderay Could you please provide a detailed description of how you arrived at the constituent parts of this formula:- y = 0.0093x2 - 0.3911x +...

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

@cathoderay Wow, a 30.71% reduction in energy consumption on 8th November, with an overall reduction of 21.04% for the whole period. Truly unbelieva...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Delta T with a Low Loss Header

If my understanding of the theory is correct, the flow from the heat pump into the LLH needs to be slightly higher than the flow coming out of the LLH...

3 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Weather compensation and air source heat pumps

Hi Sarah, the WC offset is as the word describes, an offset, moves the whole curve up or down by the value entered. So the the WC curve is set at 45C ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Weather compensation and air source heat pumps

To add to what Gary has already explained, the WC curve needs to be adjusted to match the heat loss of your home. This can take a little time to achie...

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

@jamespa Good explanation James.

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

@jamespa I'm afraid that I have no comment to make.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The cost of electricity for the winter.

I'm sorry that I did not word my reply very well. My concern was in relation to your statement about each A2A unit using 1kWh of electrical energy, wi...

3 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: The cost of electricity for the winter.

3 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
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