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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Nov 15, 2025
Profile Activity
Topics: 18 / Replies: 3376
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RE: Shutting down heating when out for the day - data

3.5kWh spread over 24hrs is only 150W. Do you mean that? If so Id stop worrying about a kWh here and there, its so low.

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to make me regret installing a heat pump

I would also like to hear a summary of your interesting research I would also like to understand what your conclusion is (if you have reached one), ...

1 year ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: How to make me regret installing a heat pump

Is it corruption, or is it a civil service and politicians who simply aren't sufficiently technical and thus rely on industry to tell them what to do....

1 year ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Heat Pump, DHW, UFH and Radiator Install

Looking again I think the slightly hidden motorized valve has 3 ports, one directing water to the middle of the cylinder the other to the bottom. The...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In general - are shorter hotter cycles more costly or longer cooler cycles?

Good idea. You will probably find that the cycling 'problem' disappears as it gets cooler. Its probably best not to get too intense about this, you c...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump, DHW, UFH and Radiator Install

@bontwoody I can see 3 motorized valves but cant quite work out how one of them (which is on the pipework to the cylinder) is connected. I also dont ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In general - are shorter hotter cycles more costly or longer cooler cycles?

In purely theoretical terms the cooler the flow temperature the more efficient the heat pump is at delivering any given amount of energy, so longer an...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installing a heat pump in a Grade II listed property

@toodles, @cathoderay There is clearly a difference is air intake sensor reading between when the heat pump is on and when its off, with the value ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Shutting down heating when out for the day - data

I'm always somewhat cautious when claims are made of 30% saving in energy use by turning off/down the heating for part of the day. I'm not for a mome...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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