Last seen: Aug 28, 2025
Hopefully the rounding errors will cancel out over time, so summed usage over a longer period will be more accurate, unless it always rounds up or dow...
@derek-m - good point, I will see if I can pull that out from the weather data as well. It may have cloud cover or hours of sunshine or something I ca...
The problem I think is recording the data, which is only on the controller Operation Parameters pages, not in the app. Yes I could sit in front of the...
@batalto - I now also have historical data showing up, all seems to be working. The app claims that so far today I have put 10kWh in, and got 40kWh of...
I agree, in health service research they talk about structure (how many beds theatres etc), process (how many hip operations done) and outcomes (how m...
Got it, thanks so much. The Electric Consumption was greyed out before, but when I entered some price data (including 0 for gas as we don't have mains...
@batalto - I have finally bit the bullet and installed the Midea MSmarthome app on my mobile and connected to the Midea controller. I am sure it is co...
@kev-m - I do know what the house is built of, old solid sandstone walls of various but known thickness, plus an extension I added with cavity walls e...
I fear I am not explaining things very well. Let me try again. Let's start with a very simple imaginary scenario. Over a 24 hour period, the outside...
I had a similar experience, but the range was wider, some clearly far too high, others definitely too low. I don't think the 12.4kW figure is that far...
I already have an external power meter, the heat pump supply has its own meter. I know exactly what the heat pump input is, recorded on a weekly basis...
Wow, that is a lot. I have nine which at full whack can theoretically deliver 12.4kW. If the primary pump in your 12kW (which is very likely the sa...
Latest Posts
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Interesting read and MCS are as you say, beyond useless...
By benson , 42 minutes ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump I'm going to leave this mostly to @catho...
By JamesPa , 2 hours ago
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RE: Electricity price predictions
The gas standing charge went up as some of the network ...
By Jeff , 3 hours ago
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RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I think there may be a little confusion in the wording ...
By Old_Scientist , 1 day ago
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I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Previous was vented and I needed a shower pump and a ve...
By JamesPa , 1 day ago
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RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 2 days ago
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RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 3 days ago
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 3 days ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 3 days ago
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
By Toodles , 3 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 4 days ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 4 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 4 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 5 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 6 days ago
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 1 week ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 1 week ago
