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JamesPa

@jamespa

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Illustrious Member

Joined: Apr 3, 2023
Last seen: Nov 5, 2025

Topics: 18 / Replies: 3291

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RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Thats a brilliant result and you must be pleased you persisted with fighting this. Its also a good example of what I am beginning to suspect (but can...

7 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Revised version of MCS-020 (noise standards for heat pumps)

As you say this is no change, which I personally think is reasonable given the figures in BS 8233.

7 months ago

Forum

Government Schemes, Regulations, Planning & Organisations

Topic

Revised version of MCS-020 (noise standards for heat pumps)

7 months ago

Forum

Government Schemes, Regulations, Planning & Organisations

Replies: 2

RE: why solar diverters for HW instead of the heat pump?

I should probably add to my comments above that, whilst I can definitely see an argument for using a solar diverter in some cases - most particularly ...

7 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: why solar diverters for HW instead of the heat pump?

The argument I can think of is that solar diverters precisely match the power draw to the available excess solar power, which heat pumps cannot do. T...

7 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Commencing on an ASHP Installation Process

Lots of reading and questioning which the background makes easier. I started when I first thought about getting a heat pump for myself and it became ...

7 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Commencing on an ASHP Installation Process

Crudely dividing by somewhere between 2000 and 2900 gives an estimate dependant on assumptions/who you believe. My total gas consumption for a 7kW ho...

7 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Commencing on an ASHP Installation Process

11kW does sound way over in that case! As you say it will be interesting to see what others come up with, maybe try to get a copy of the calculations...

7 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Commencing on an ASHP Installation Process

Is 116 sqm both floors, or just the footprint? If the former then 11kW sounds possibly a bit high to me. Your conservatory may be dominating however...

7 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Commencing on an ASHP Installation Process

Hi I have just posted the below in response to your intro text. ------------- In terms of getting quotes, be prepared to get a fair few to find ...

7 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Say hello and introduce yourself

Welcome to the forum. If you are new to ASHPs I suggest you read the introduction here. @editor also publishes a couple of books guiding you thro...

7 months ago

Forum