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IaAck
@iaack
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Trusted Member
Joined: Mar 8, 2023
Last seen: May 4, 2026
Profile Activity
Topics: 0 / Replies: 60
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Reply
RE: Book: Not Zero

@jamespa a) yes, most probably b) yes, it's a trait we humans have c) a sweeping statement and that's the bit I find very hard to agree with.

2 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Book: Not Zero

@jamespa Exactly! The book is about the political response....the science is not in dispute.

2 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Book: Not Zero

@judith Its a political subject. You have to ask yourself just how many Labour supporters would give a glowing review on a Tory manifesto? And how man...

2 years ago
Forum
Well & Truly Off The Grid
Reply
RE: My horrific Samsung heat pump installation and experience

I have always thought the volumiser should be plumbed in series with the secondary heat exchanger and not in parallel with it (as shown in @iantelesco...

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

@cathoderay I would suggest you investigate the power requirements of your circulating pumps and subtract that figure from your daily energy in calcs ...

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

@jamespa Would you kindly but briefly explain the term "degree minutes per day" and how they relate to heat pump running costs. Also why no mention in...

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

@cathoderay I'd be interested to know if your controller is set to max power, intermediate, or quiet mode. It would be enlightening to understand how...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Twin ASHP Operation - Question

@dunlorn Given your current observations on your. system I would be very tempted to increase the WC settings on the slave unit 1 or 2 degs higher than...

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

You required a modeling tool to answer the questions. IAT 10 Avg. 15 20 PI 10644 74262 ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Buying Shares (Investing) in a solar Farm

@abernyte Would this statement apply:- For co-operative societies where the dividend is based on retail purchases of members, the dividend is effectiv...

3 years ago
Forum
Solar Photovoltaic (PV)
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RE: Crossed flow and return

@allyfish Surely if the water circuit was plumbed incorrectly and water was pumped the wrong way, the flow switch in the heat pump would not be activa...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP hot water vs solar PV via diverter - tank average temperature

@alleyfish I would assume that the immersion element (back up heating device) sits slightly higher up in the tank as it plays second fiddle to the hea...

3 years ago
Forum
Domestic Hot Water & Cylinders
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