Last seen: Nov 18, 2025
@derek-m - thanks.
A bit rum restricting comment. What I might consider constructive you might consider destructive. Never forget that free speech includes the right to ...
I still have Home Assistant on my system, and here is its version of the last month, showing OAT ('byte_09'), IAT ('MD02') and hourly trailing 24 ener...
@jamespa - OK, here are my calculated energy values and the Midea energy values for the same time frame as in the earlier chart plotted one above the ...
Don't feel bad about this, intellectual rigour is essential, and I would rather be corrected than wrong! I think I get your reasoning, especially wi...
Perhaps another way of putting it is this: yes, the heat loss will be marginally lower during a setback, and we could even at a stretch call that 'sav...
I certainly welcome you questioning my data results and conclusions, as I have no divine way of getting things right, and am just as fallible as the n...
Very prudent. @jamespa- I'm working on it at the moment, I think I am onto something, but at the moment I am only about 50% sure I have the answer, ...
I do something similar behind the scenes, though my inputs for energy in are amps and volts. I then average them over the hour (I found this gives the...
I am not convinced you are going about this the right way. Normally you take a hypothesis (model), use it to make a prediction, and then test that aga...
I would, but at the moment I have what I think is the right balance between getting a saving and comfort. I have a bit of a cliff edge as the IAT fall...
The latest last 24 hours of data: Pretty much as before, steady and mild OAT at around 10 degrees, heat pump cycling around twice an hour to m...
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
I have set all TRVs open, the set temp is 30c which is ...
By JamesPa , 3 minutes ago
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From what I see, the work to upgrade the cable, etc all...
By Batpred , 3 minutes ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
Further update. I did send complaints to HIES and NAPIT...
By MairiA , 3 minutes ago
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RE: 10kw heat pump run in 24*7 data?
As the cold has come in now, I will send over some simi...
By jeegnesh , 8 minutes ago
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RE: DHW heat loss through pumps.
Welcome to the forum. feel free to ask any questions. ...
By JamesPa , 13 minutes ago
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RE: Electricity price predictions
Whilst agreeing that we need to place storage batteries...
By Transparent , 40 minutes ago
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RE: Confusion over Octopus Tariffs
That's sounds great. I have no ASHP, but 15kwh storage....
By Batpred , 51 minutes ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
Locked environments are difficult to manage, it also me...
By Batpred , 57 minutes ago
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RE: Ecodan ASHP Low COP and Unstable Compressor Frequency
its a little odd that your UFH comes back warmer than t...
By davidnolan22 , 3 hours ago
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RE: Do Heat Pumps need to start up at Full Power?
@steelbadger Attached is the plot for various parameter...
By Toodles , 5 hours ago
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RE: Has anyone seen this problem before? Huge anticycling times
Hi all, I had a 15kw installed 3 weeks ago. The past we...
By jamesh , 6 hours ago
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Adia Therma - 'autopilot for heat pumps'
Thought I'd pop this one in here as the Adia proposal a...
By seatonian , 19 hours ago
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Don't know answer to final question. Your contract p...
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RE: New Fogstar 15.5kWh upright solution
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RE: Vaillant water pressure gauge vs Analogue gauge
@jamespa Agreed I don't feel concerned about this, espe...
By jeegnesh , 22 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@toodles Yep, and it is not even a sticking plaster ...
By Jeff , 24 hours ago
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RE: Renewables & Heat Pumps in the News
I agree, imperfect systems like voting for politicians ...
By Batpred , 1 day ago
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RE: Gov wants to alter our FIT contracts from rpi to cpi
The consultation is just part of the normal process for...
By Jeff , 1 day ago
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@transparent @old_scientist Quick update, I submitted...
By Batpred , 2 days ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Lol. I know they CAN be calibrated, it’s just ...
By Crimson , 2 days ago
