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Last seen: Oct 26, 2026
Thats excellent and doubtless a true reflection of reality or thereabouts (I say thereabouts only because I dont know whether this years weather condi...
As i say above not necessarily in your house which appears to have a high thermal mass and an unexplained high standing load (and other as yet unexpla...
If you work out the 24 hour average IAT and do the simple math correctly you will indeed get a very crude estimate, one which is perhaps good enough f...
It looks like this forum has been the victim of dumbing down, a little way upthread you were prepared to accept an answer based on A level maths, now ...
My plot of IAT-OAT vs energy supplied to the emitters, the latter corrected for changes in energy stored in the fabric (ie thermal mass), would seem t...
My reading is this (others may disagree) There are currently no experimental results from which we can deduce any conclusions applicable generally, ...
@cathoderay Well they are interesting! The third period, when the heat pump was actually running, appears to show relatively little temperature ...
Thanks. So to check my understanding (please confirm if I have got it correct!): the modelled LWT is adjusted from its default value (set by an assum...
Sorry but you aren't looking at the data correctly, you need to multiply temp by time. To achieve the claimed 20% saving overall (and using the 10% ...
Its not the methodology, its the observations. There is as yet no explanation of how, during setback, you can (apparently) put ~20% less energy into ...
Can you elaborate on the second of these, Im not sure what the 'offset' is and where it is applied and what you define as 'correct'? Also what d...
I never said it did or that you did. All I did was comment on the utility of the data in relation to the question in the prevailing circumstance, nam...
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Latest Posts
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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 , 7 hours ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I'll set this up and start monito...
By Rob of York , 8 hours ago
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RE: Electrical works for air to air heat pump
An electrician who signs off work is responsible for it...
By EtchedPixels , 13 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 , 14 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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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 3 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 , 3 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...
By EtchedPixels , 4 days ago
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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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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 6 days ago
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