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Last seen: Sep 19, 2024
@jamespa Sorry, Freudian slip, it should have been labelled Wh. The data, including Energy In Reduction and Energy Out Reduction, was just extract...
@cathoderay There is indeed a degree of complexity within the spreadsheet, but I think that by now most forum members will have come to the conclusi...
You're welcome. Please feel free to question anything that you do not fully understand.
Please find attached the underlying spreadsheet for you to criticise.
No. If there were no external factors the prediction indicates that the IAT would stabilise at 19.31C, falling to 17.32C by the end of each setback pe...
@jamespa I can now provide some figures that may be useful in understanding what may be occurring within a hypothetical home during an overnight set...
@kev-m Thanks Kev, no problem.
@jamespa Hi James, I have some thoughts concerning the data but I would prefer not to comment at the moment, since if I am not 110% correct, anyth...
I have requested as much data as possible to be able to test the accuracy of the modeling tool, which I think will be the most productive way to proce...
You appear to be correct that employing some form of setback will produce better energy savings in some buildings rather than others, which is one of ...
If you would care to provide some data from your system covering particular periods I can run it through the model to see how the results match. Dat...
Try lowering 2103.
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 20 minutes ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 20 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 2 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 3 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 5 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 6 days ago



