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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...
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Degrees of Separation
Latest Posts
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RE: Vaillant Arotherm Pro vs new Plus
@judith @jamespa Our installer used screed drying mo...
By Batpred , 4 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
It’s here
By avenir , 5 hours ago
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Hi everyone, I’m looking for real-world advice and co...
By asoksevil , 7 hours ago
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I knew that Reactive Power support was required by the ...
By Transparent , 8 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Those are very good questions and indeed ones I was ask...
By JamesPa , 12 hours ago
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For cooling a whole building, or even a big room with l...
By EtchedPixels , 13 hours ago
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RE: Comms and power cabling to outside unit
@old_scientist 100%, the cover is for warrantied unit...
By Papahuhu , 13 hours ago
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I don't remember the manufacturer name, but I saw simil...
By bobflux , 15 hours ago
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RE: Weather compensated secondary circuits with Biomass
UFH is ideal to get max efficiency with a heat pump, bu...
By bobflux , 15 hours ago
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RE: Rate the quality of your heat pump design and installation
I had a Heat Geek lead install by Green Heat Norfolk. T...
By Orlando , 2 days ago
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RE: Mitsubishi Ecodan FTC6 settings
While @F1p's dongles are great, the FTC can do this its...
By RobS , 2 days ago
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RE: Samsung heat pump - data cable issue
If it's a data cable, current will be minuscule, voltag...
By bobflux , 2 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
I got hit with an RHI audit in 2022. It was far from c...
By Abernyte , 3 days ago
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Hi,is there any Haier super aqua gt users on here,that ...
By Glenn Crawford , 3 days ago
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RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 3 days ago
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