Last seen: Jul 4, 2025
@prjohn what's your floor space area you are heating? Would be good to understand your w/m2 to put the 24kW figure into context
64kW used and 184kW delivered yesterday in total for CH. COP 2.55 w/m2 244
@editor shading is killing me at the moment. Must be costing me 20kW a day, minimum
@editor if it makes you feel better, we've used about 80kw today with heating, hot water and general life - so you avoided all of that
@kev-m we are now at 49kW used and the average ambient has dropped to 4° Heat delivered 145kW COP: 2.95
@derek-m I think the sensors are integral. The only external sensor is in the hot water tank. Perhaps @grahamh can help. He seems to be the man who kn...
@derek-m as ever I'm always appreciative of the knowledge on this forum. All I was trying to say is that all models are built on a range of assumption...
@hr_3 depends on the rooms. 5 everywhere and then adjust the bedrooms as needed.
@keithh it didn't come up. However our upstairs is crazy in terms of insulation. It's 300mm solid between the walls, then 50mm on the outside plus 400...
@hr_3 do you know your current heating use in kW? You can just divide this by the total area of your house and that's your w/m2. However this will var...
@derek-m yes but that data came from the manufacturer about their performance based on lab testing. I can imagine in the real world the system is simp...
@derek-m I think it's the difference between lab conditions and actual... Much like MPG claims with cars. Real world experience says you'll never actu...
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