Last seen: Sep 21, 2025
For what it is worth I'm fairly comfortable that modelling results predict modest savings (3-5%) for mild OATs with a setback regime that for many wil...
@derek-m may correct me but I don't believe the model does cycling as such. My understanding is that it recognises the occurrence in the 'duty cycle'...
Im not sure why this was directed at me especially, but since you ask here are my thoughts: For the purpose of the second half of the question I thi...
@cathoderay Yes understood, in general terms. But given that you cant measure the 'actual observed energy in value for the hour' multiple times in t...
As you say much tighter. This allows you, as you say, to get an average expected value. Your actuals will have the same scatter so you will need to...
Good to hear. By robust I don't mean low noise (I think that's impossible without a lab), as I say and as you doubtless know there are techniques fo...
I realise that, but the object here is to be in a position to average sufficient data points to reduce the level of noise below the signal. Its possi...
There is clearly a relationship but the spread of +/-20% ignoring the outliers is of the same order as that I measured on my gas boiler (which was act...
If (1) is the case I potentially agree. Its not the case for my fossil fuel boiler (there is a correlation but it's very noisy indeed) so I don't see ...
I think this modelling merits a bit more discussion as the results are very plausible. Unless someone can convince me otherwise the first of the two...
@derek-m I did wonder that. However the capital costs are much higher and they may not have a suitable place to dig. I briefly looked at gshp in my ...
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RE: Powerwall 3 or Myenergi or something else?
@adamk what you need is enough battery size to cover 3 ...
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RE: Say hello and introduce yourself
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RE: How to Zone with a Single Room with UFH
We have exactly what you describe, one utility room wit...
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RE: Who's your electricity provider and what's your tariff?
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RE: Boxt Heat Pump Installation Experience
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RE: Which temperature sensor for a Steibel buffer and Ecodan?
@ashp-bobba might be able to help as an Ecodan expert.
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RE: Help me keep the faith with my air source heat pump installation
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RE: Preparing for 2nd winter in new build house.
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Good day everyone. I'm new here and have a few question...
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
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@mixergy Thanks for the update, I would appreciate some...
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
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It is interesting to see what our new Grant Aerona 290 ...
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