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Last seen: Oct 24, 2026
@derek - this is a very interesting idea, but I fear there may be other drawbacks as well, given the addition of an indoor thermistor in serial with t...
@batalto - I've also made some possible progress on the modbus/RS-485 monitoring (which I gather is also what Homely uses, hence looking into it as a ...
Point taken, but my hardware, as in the plumbing etc, is pretty much where it is, with the only possible variation being removal of the PHE, which I a...
Kev - your room temp line looks suspiciously straight to me. It is almost a perfect flat line, with a minute wobble at about 0830. My room temp measur...
That's what I thought, it's the heat pump that 'inverts' to become a fridge, and uses the warm exhaust gas from the fridge to do the defrosting (put l...
Good point about GSHPs. It would still be interesting to know how other countries deal with ASHP frosting. Maybe they adopt @batalto's solution, choos...
Correct, I was going to include that but it complicated the post more than I wanted, and furthermore at -5 and below the main problem is the heat pump...
Installers understandably enough tend to have favoured brands, familiarity and all that, but a good one will readily consider another brand if it is m...
24-26 degrees is a very high medical requirement. The evidence is far from perfect, but the findings suggest a minimum of 18 degrees, even for older p...
I am familiar with python for basic things but might be inclined to use R for charts, done using cairo_pdf the output can be very neat. But the proble...
Thanks @scrchngwsl that and the rest of your post is a very clear description of how a 'learning' system might work. I'm not sure why I put learning i...
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Degrees of Separation
Latest Posts
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RE: New Build 3 Phase or 1Phase
Not so. 1: It's now the case that the Service Fuse wi...
By Transparent , 46 minutes ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I think it has an enormous impact on air/air users. The...
By EtchedPixels , 8 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 1 day 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 , 1 day 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 , 1 day 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 , 2 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 2 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 3 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 , 3 days 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 days 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 , 3 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 3 days 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 , 3 days 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 , 3 days ago
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