Viessman Vitocal 222G - Ground Source Heat Pump

https://www.pv-magazine.com/2023/03/02/viessmann-unveils-ground-source-heat-pump-for-space-water-heating/

SCOP of 5.4 and a flow temperature of 65 deg C/ 58 deg C for Hot Water. Impressive!

-  10 x 400w LG BiFacial Panels + SE P505 Optimizers + SE 3680 HD Wave Inverter. SE London (Zone 2). 
-  40% of panels in an East/ West rooftop orientation.
-  Viessmann 200-W on Advanced Weather Comp. (the most efficient gas boiler sold)

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