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Last seen: Mar 21, 2026
Hi Ray Looking at your chart you seem to have a stark increase in energy use for only a small drop in outside ambient. IE dropping from 10c to 8c ap...
@cathoderay Thanks for your observations. I need to correct a chart comment I made on my last post. The pink coloured crosses are December data not Ja...
Over 50 trials of setbacks vs continuous operation. Here is a scatter graph of this winter operation of our Ecodan 8.5 to date. The setup is a Ratia...
Sorry, I have to say this post simply serves to muddy the waters. I agree that the time of use tariffs may produce savings as a tactic. But in no w...
James / Derek. Over the last year or more there has been a lot of debate and speculation about the optimum flow rate for the Ecodan range. Some people...
@jaket we have decided a bit of cycling (but not too much) when it’s 10 or 12c is better at achieving a high CoP and minimise KWh consumption. The q...
thanks for your response. It’s not easy to compare like for like installations since anything can be different between personal choices and preferred ...
Very interesting. @mike-patrick Interested in how big your house is since output is bigger than us in our 180 sq mtr house. Also do you have low los...
Hi @jake. I’ve started getting a bit of cycling since we have had 12c OAT. we get about 2 or 3 cycles an hour. Auto adapt does help a little by reduci...
I had wondered if you have a list of your radiator sizes and how large your underfloor heating area is since a small emitter capacity can cause cyclin...
Hi @gary I’ve located a copy of it I think it was published last autumn. LATEST ECODAN DATA BOOK VOL6
apologies. I have to make a comment on flow rate. Jake’s HP is a 6kw it is not an 8.5 model and it’s flow rate recommendation is around 11 LPM. I also...
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This guy did something similar (with a dehumidifier rat...
By scrchngwsl , 1 hour ago
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RE: Air to air bus grant installer anywhere
society and politics require things to be made more com...
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
I would also look at an air/air install if you've got t...
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RE: Existing Solar Panel installation - structural roof calculation check
What will also happen is that they see that there is so...
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RE: Indevolt Batteries UK Support & Info Thread
@indevolt-tech can you please assist @blizzardgreen.
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
It's a great looking piece of kit and the 5kw is very q...
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RE: Vaillant Arotherm Pro vs new Plus
So with the dedicated Hager CU, flipping the big red bu...
By Batpred , 4 days ago
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Well I usually do it by feel, which is a slight problem...
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@jeff I am well aware of the riskiness of such investme...
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Fully understood and entirely reasonable! On the home ...
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RE: Electricity price predictions
So I am really having difficulty trying to work out wha...
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Ok Well almost certainly it could be used instead of ...
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RE: Samsung heat pump - data cable issue
Samsung reference it as "RS485 - COMM" in my manual. ...
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RE: SolarEdge SE5000H Inverter Failure
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