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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?

@cathoderay If you think about what is actually happening, the polynomial trend is probably correct, since the heat pump is not the only source of ...

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

Maybe you should apply for a job with Huawei, you would probably be able to get 'access' legal or otherwise then. 😋

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Installation queries for Grant Aerona

No, it's not a scam, honest. I just want to be rich. 😋 Joking apart it is probably a good marketing technique on the part of Octopus, though so far...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installation queries for Grant Aerona

So that Ian Calderbank is trying to steal my thunder, I offered to provide a referral to everyone in the country, so that I could be rich for hours an...

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

What you appear to be failing to grasp, is that to get 13.6kW of thermal energy to your radiators, via the PHE, the LWT at the heat pump would probabl...

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

A statistical approach is not really used in the field of Instrumentation and Control Systems, since the primary purpose is to avoid deviation, not ha...

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

@jamespa CathodeRay stated that the total capacity of his heat emitters is 23kW @ DT50, which he did state was limited by room and location, and the...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installation queries for Grant Aerona

For maximum overall efficiency the heat emitter capacity should be as large as possible, but also balanced as closely as possible to the heat loss of ...

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

Thank you for your input. You are indeed correct, the Laws of Physics are rather strict and don't like someone messing with them. You are also corre...

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

@cathoderay Can you please confirm your WC curve settings so that we are testing like for like.

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

The 'weather conditions' are the major factor affecting how an ASHP performs. Note that I use 'weather conditions' rather than OAT, since OAT is not t...

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

Hi Toodles. As one of the forum moderators one of my duties is to try to ensure that any information provided is as accurate as possible, which is w...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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