Last seen: May 1, 2025
@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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RE: Warm weather and heat pumps.
@editor Oh nothing right now because $ needed for struc...
By Lucia , 3 hours ago
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RE: Yes, the "zoning with ASHP" topic again...
@ccap as an aside, I think you pose some interesting qu...
By Mars , 3 hours ago
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Maybe you could do a video on it please? Ask all the ma...
By Lucia , 3 hours ago
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RE: Renewables & Heat Pumps in the News
This is from data provided by a serious researcher with...
By Lucia , 4 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Well, as i was hoping, this month over here just smashe...
By Andris , 4 hours ago
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@iantelescope - I do appreciate I am becoming something...
By cathodeRay , 6 hours ago
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RE: Potentially more choice including air to air heat pump grants
@jeff Such documents are far too wordy for my ‘daily re...
By Toodles , 8 hours ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@grahaml I cannot agree that it is a small percentage o...
By benson , 1 day ago
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RE: Commencing on an ASHP Installation Process
In that case treating it as a separate space seems emin...
By JamesPa , 1 day ago
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RE: Samsung Gen6 16kW tribulations
@emceed, can you please give us an update on your syste...
By Mars , 2 days ago
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
@phoenix15 Sorry to hear that, we are all the way down ...
By ASHP-BOBBA , 2 days ago
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What's the problem you are trying to solve. The answer...
By JamesPa , 4 days ago
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Good luck. For what it is worth my system was very def...
By JamesPa , 5 days ago
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RE: Massive Electricity Cost for Running My Air Source Heat Pump
I agree @mark-h The Building Regs are now very readable...
By Transparent , 5 days ago
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RE: Help me understand my Mitsubishi Ecodan system
@carpenterstation When changing settings in the ser...
By RobS , 5 days ago
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RE: Ecodan Legionella cycle - immersion heater problem
Thanks for letting us know @clockworks I admire your ...
By Transparent , 6 days ago
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RE: Revised version of MCS-020 (noise standards for heat pumps)
As you say this is no change, which I personally think ...
By JamesPa , 7 days ago
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RE: What happens when the outside temperature exceeds the upper WC point?
@editor not via the WC curve but as @old_scientist ment...
By bontwoody , 7 days ago
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RE: MHHS and Heat Pump compatibility
@toodles to be clear I don't know if there will be a re...
By Scalextrix , 1 week ago
