Last seen: May 29, 2025
@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...
@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...
@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 ...
@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 ...
@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...
@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...
@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...
@jamespa Invoking Occam’s razor in this context does not help. In engineering, there are right answers and wrong answers, not alternative facts. Neve...
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...
Latest Posts
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That wasn't quite what I was trying to suggest. My po...
By Majordennisbloodnok , 2 minutes ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
All noted and accepted and as I say I am sorry that you...
By JamesPa , 2 hours ago
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I think it is very much me that is sitting outside the ...
By Grantmethestrength , 3 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
I've reduced my debit to £10/month For end July it sh...
By Tim441 , 6 hours ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@davidalgarve It should just be recovered by both servi...
By dgclimatecontrol , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
By Transparent , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
Great news I edited my previous post (probably af...
By JamesPa , 1 day ago
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RE: Double or Triple Glazed Windows?
@toodles Glad to hear things are progressing well for y...
By TRBob , 1 day ago
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RE: 300 Liter Tank - Do I have to heat it all?
I agree with @morgan. You can turn down the target t...
By JamesPa , 1 day ago
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How to waste energy (and time) playing with AI.
A friend of mine who subscribes to an AI service was ex...
By Toodles , 2 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@topher you’re more than welcome to, yes. I’ll send you...
By Mars , 3 days ago
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RE: Fitting new shower valve ..........
I’ve never taken a chance when fiddling and changing ou...
By Mars , 3 days ago
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You should contact the council and report the unsatisfa...
By JamesPa , 3 days ago
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RE: Benefits of an extra horizontal loop for GSHP
I would deffo install an additional slinky run, especia...
By Transparent , 3 days ago
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RE: Say hello and introduce yourself
@editor fab - thanks Mars, and keep up the great work o...
By normpang , 3 days ago
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RE: Compressor and Evaporator Stratification
@trebor12345 So I think the 1st zigzag section shows so...
By ASHP-BOBBA , 4 days ago
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RE: Is this just haze or something more?
@majordennisbloodnok I was giving a talk to primary sch...
By Toodles , 4 days ago
