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IaAck
@iaack
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Joined: Mar 8, 2023
Last seen: Sep 10, 2025
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Topics: 0 / Replies: 43
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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...

2 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...

2 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...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: What do we need to know before installing a heat pump?

@cathoderay You stated in an earlier post on your other thread, quote "I think the heat loss as the house currently is (I am slowly improving insulati...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
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RE: DIY Heat Pumps.

@iancalderbank Life is full of hazards.... it's the risks you need to worry about🤔

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DIY Heat Pumps.

@iancalderbank as R290 is based on propane (not containing fluorine) I would think that the f-gas regs wouldn't apply.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope I believe the short cycling problem would be rectified by increasing the hysteresis value for the RWT sensor. What is the current settin...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 10.5kW unit that needs a new compressor

@transparent You could well be right. Current salary for a refrigeration engineer is in the region of £40k per annum ( £20/hr.) Cost of training tools...

2 years ago
Forum
Grounds Source Heat Pump (GSHPs)
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