If you haven't heard of Bitzer or been impressed by their business and quality of products then you must have been living under a rock (without aircon or freshfood or youtube)
Herr Schaufler built a considerable "empire" but his lasting contribution will be the establishment of a durable foundation that will endure for generations, hopefully true to his values.
Well done Sir.
Brilliant success. Well done to all involved. With natural working fluids able to raise heat from rivers as warm as 90C and still be over 2.9 RHI level there really is nothing stopping any river adjacent project being heating with heatpumps.
In true bluepeter style, here's one we prepared earlier