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Last seen: Oct 22, 2026
It's actually a work in progress type thread, which will ultimately be boiled down to a Beginner's Guide to Heat Pump Monitoring v2 (v1 ended up as Ho...
PS I should perhaps add in that I myself am not immune to redundant word situations, which on rare occasions may spill over into ongoing redundant wor...
I'm sorry, but I still don't understand what that image shows. Frankly, it's verging on dreadful. I guess it is what happens when you try to do things...
@filipe - the problem I am trying to deal with is the lag: at any one reading (all the data is collected in one go once a minute), the energy out has ...
Here is a rather cryptic table of htg and dhw COPs with the amps_in shifted downwards one cell at a time: Shift 3 sort of works initially, but the...
@filipe - this is the key data at the transition time with rather meaningless minute COPs added but they do show how the abberation occurs: At the...
Another thought, in reality a restatement of @derek-m's thinking, perhaps my implied assumption that one minute's energy in is directly responsible fo...
In the yellow highlighted section, sort of. What happens is this. The space heating is on 24 hours a day, and uses weather comp to regulate heat outpu...
In the on_off columns, it is being used as a binary on/off value, but being a number it has the useful side effect it can be used to zero a calculatio...
@iaack - thanks. The 11.6, which is definitely for the hour not minute, is definitely an artefact, caused by the erroneously high energy out figures f...
@derek-m or indeed anyone - I have almost got the python code to do everything I want, including allocating energy in and out to space heating or DHW ...
@william1066 - it goes without saying (at least I hoped it did) that what I write about HA is based on my observations experience and opinions. ...
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Degrees of Separation
Latest Posts
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RE: Indevolt Batteries UK Support & Info Thread
@editor Mystery solved to some extent. Need to selec...
By dansus , 28 minutes ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
Removing the standing charge and has the effect of help...
By JamesPa , 1 hour ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Interestingly we had an internet outage about a month a...
By Rob of York , 5 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 5 hours ago
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@transparent we’re still running a secure version of PH...
By Mars , 9 hours 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 , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 1 day 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 , 1 day ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 1 day 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 , 1 day 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 , 1 day 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 , 1 day 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 , 2 days 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 , 2 days ago
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