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Last seen: Oct 21, 2026
Here we go, data from the last few hours since I added compressor frequency to the data, as it happens a period of relative stability in OAT, though i...
I'm already doing that, and most of the time it works, but I still have to iron out a bug, running my hourly auto-adaption script, which varies the LW...
@mikefl - a useful comparison, even if it is, I agree, a rather busy chart! There is a more marked spike, but there is also a notable dip after the sp...
That's by intention, achieved by using the room stat timer as an on/off switch, by setting it to 12 degrees for off, 26 degrees for on. I could do the...
I'm sorry, but I don't have a lot of time for those emoncms how not to do a chart charts. There is no legend, meaning there is no way of knowing what ...
@derek-m - my heat pump appears to keep the flow rate steady, unless the heat pump is completely off. Flowrate (m^hr) added in gold, trace for last 24...
I agree, and in the main thread with the data I have been careful to point out this is a very limited data set, less than a week, with nothing excepti...
Actually, we do know the LWT and RWT when the heat pump is off, see my charts, and so can estimate the radiator temp, say an average of the LWT and RW...
@derek-m and @jamespa - it might help if I clarify how I do the calculations. The minute data has amps, volts, LWT, RWT and flow rate. I have assume...
Have a look at my recent postings showing observed energy use with a setback and an assessment of energy saved. There is a small amount of whatiffery ...
@mike-h - the key thing is that standard weather compensation for most heat pumps only takes account of the outside air temperature, and sets the LWT ...
Depends what you mean by cheap, but the short answer for most people is no. Energy in isn't that complicated, but energy out is, as is the monitoring ...
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Degrees of Separation
Latest Posts
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There has been a flurry of activity surrounding NESO ov...
By Transparent , 44 minutes 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 , 3 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 3 hours ago
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RE: Double or Triple Glazed Windows?
It is very comforting to see the condensation on the ou...
By Toodles , 3 hours ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 4 hours ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 5 hours ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 5 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 7 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
On the money, @editor. Until manufacturers stop actin...
By Majordennisbloodnok , 8 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Google Cloud outage: Let's not jump to the conclus...
By Transparent , 8 hours ago
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RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
Both of which (in most cases) use Openreach for the las...
By JamesPa , 8 hours ago
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RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 23 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 1 day ago
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My heating has been off and DHW on throughout the summe...
By DavidAlgarve , 1 day ago
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RE: Anyone concerned about GivEnergy?
The GivE forum seemed to have survived the collapse of ...
By downfield , 1 day ago
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