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Last seen: Nov 29, 2023
It's down to how the Home Assistant Statistics sensors are configured - they're measuring the change between two points, the meter sensors are less th...
I have Home Assistant calculating CoP over a few intervals now. This is using power consumption from the Shelly, and a trapezoidal Riemann Sum of th...
Indeed, I have experimented with this, however the Node-RED Home Assistant integration doesn't have the capability to add number inputs as controls, o...
Please to be able to share this. Here's a working Node-RED modbus configuration for Home Assistant. It supports general sensors for: Power in H...
Has anyone made sense of the TF Module Temperature ("Feedback on outdoor unit, unit: °C") on address 135? Looking at the ambient temperature reporte...
Nothing different to what it was doing prior to that, I think it's just bad rounding creating artificial "steps" in the data (look at the blue line, i...
Curiously, when we had our heat loss survey for the heat pump, I asked the surveyor to specs for UFH, which he duly did, but there's no mention of the...
Yes, there's also Wundertherm, and others. Their efficacy seems to be much of a muchness. Oh interesting! I'd heard of MVHR with cooling, but not...
Yes I had wondered about this, however we have a mixture of decrepit parquet flooring, carpet underlay and carpet which equates to more or less the sa...
Thought this graph might be of interest. The purple line shows the power as reported by the heatpump (via modbus) polled every 10s (with Volts * A...
The screenshot was taken in between cycles on a warm(ish) day, those are instantaneous values, each of which is logged over time.
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 5 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 10 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
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