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Last seen: Oct 27, 2026
Thinking more about the above, its all a matter of degree. You choose to compensate for OAT by using a model, but you choose not to compensate for IA...
@derek-m @cathoderay until we get to the bottom of this and either explain it or conclude that i have goofed in my analysis I really don't think its w...
@derek-m @cathoderay until we get to the bottom of this and either explain it or conclude that i have goofed in my analysis I really don't think its w...
I quite often get database errors recently and have taken to copying text to the clipboard before pressing 'add reply' to ensure I dont have to retype...
Thanks for the responses. I don't think it has a fatal flaw in principle, although omitting to take into account IAT means that you will need...
@cathoderay From your Obs vs Exp worksheet here is a pivot of actual and expected for the whole of the heating season (I omitted the days when the hea...
Thanks I agree that the less processing the better. I used noon to noon data only because that's what you had previously quoted in your posts. Its...
The technique is certainly valid and should give a very similar answer to the technique of comparing the two distributions, provided the necessary cor...
That's most helpful thanks, and as you say we don't really need to know exactly the energy consumption of the pump if its already included.
We can look at the specifications of typical circulating pumps. Here is a common one, 60W = 1.4kWh/day assuming its operating at max (which most circ...
I have nothing to add to this in answer to the question posed. More generally I would suggest that 'setback' is any deliberate act to switch off or ...
Yes of course. I will answer the second question first, because its a shorter answer, then I will move onto the first. There is no mention of savin...
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Degrees of Separation
Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders can I just add to @rob-of-york s comm...
By JamesPa , 17 minutes ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 29 minutes ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 1 hour ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 2 hours ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
I know most of the folks I use pretty well so I'm fairl...
By EtchedPixels , 10 hours ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 16 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews I have read you latest response re buffer ...
By JamesPa , 1 day ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 2 days ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 4 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 4 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 5 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 5 days ago
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