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Heatgeek

@heatgeek

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Joined: Dec 16, 2024
Last seen: May 29, 2025

Topics: 1 / Replies: 116

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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@uk_pete_2000 I think we have some misunderstandings here. You previously indicated that you have a passive house (<10W/m2 or ~5kW peak loss) but i...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@uk_pete_2000 I have perused your data again. As far as I can see there is no way that you can efficiently use such a large HP to directly heat your e...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@uk_pete_2000 Sorry, I forgot to say that in my second case of 12 hour heating period, a double size HP would be required i.e. 10kW to deliver double ...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@jamespa I have been quietly following all of this in amazement at some of the statements, especially about over-sized HP’s being more efficient. The ...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Heat loss calculators and spread sheets

@sicky This one is not too bad if you have all the correct data. It is just tedious getting the data and filling it all in as there is a lot of detail...

11 months ago

Forum

Safety, Regulations, Tools, Plumbing & DIY Installations

RE: Heat loss calculators and spread sheets

@editor Copy of information from my first post FYI. This tool is very comprehensive but not for the faint-hearted. "To calculate the heat loss a...

11 months ago

Forum

Safety, Regulations, Tools, Plumbing & DIY Installations

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

@jamespa I am reposting this due to my revisions being gobbled up by this site. I have tried to remove the confusion and ambiguity caused by my previo...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

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

@jamespa Invoking Occam’s razor in this context does not help. In engineering, there are right answers and wrong answers, not alternative facts. Neve...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

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

I am new to this forum. I am amazed at the breadth of discussion on this topic but have not absorbed everything. There are interesting snippets and so...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

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